APPSC Polytechnic Lecturers 2025: Lecturers in Government Polytechnic Colleges (Notification 13/2023), Paper II miningengineering

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Question Paper Name :                                        Paper II Lecturer in Mining Engineering
Subject Name :                                              Paper II Lecturer in Mining Engineering
Duration :                                                  150
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                    Paper II Lecturer in Mining Engineering
Group Number :                                              1
Group Id :                                                  441009771928
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Group Minimum Duration :                                    150
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Group Marks :                                               300



                    Paper II Lecturer in Mining Engineering
Section Id :                                                441009778287
Section Number :                                            1
Section type :                                              Online
Mandatory or Optional :                                     Mandatory
Number of Questions :                                       150
Number of Questions to be attempted :                       150
Section Marks :                                             300
Section Negative Marks :                                    0.66
Maximum Instruction Time :                                  0
Sub-Section Number :                                        1
Sub-Section Id :                                            441009780959

Question Shuffling Allowed :                                Yes

Question Number : 1 Question Id : 441009753087 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Jack hammer drill is a .............
Options :
1.   electric drill
2.   water operated drill
3.   air compressed drill
4.   hydraulic drill


Question Number : 2 Question Id : 441009753088 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct explanation.
Assertion (A): Compressed air was the motive power for wagon drills till recently but now-a-days some
wagon drills are operated by hydraulic power.
Reason (R): Hydraulic power is more efficient than compressed air power.

Options :
1.   Both A and R are true, and R is the correct explanation of A
2.   Both A and R are true, and R is not the correct explanation of A
3.   A is true, but R is false
4.   A is false, but R is true


Question Number : 3 Question Id : 441009753089 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following:
                   Terminology                                        Definition
                                                P. a roadway in stone connecting two or more coal
1. gallery
                                                seams.
                                                Q. a dipping connection in the orebody joining two
2. drift
                                                levels.
3. raise                                        R. a road in a coal seam.
                                                S. a connection between two levels in an orebody
4. winze
                                                driven in an upward direction.
Options :
1.   1-Q, 2-P, 3-S, 4-R
2.   1-R, 2-P, 3-S, 4-Q
3.   1-R, 2-P, 3-Q, 4-S
4.   1-S, 2-R, 3-Q, 4-P

Question Number : 4 Question Id : 441009753090 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
A roadway in stone connecting two or more coal seams is called a ..............
Options :
1.   pillar
2.   face
3.   raise
4.   drift


Question Number : 5 Question Id : 441009753092 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is not a type of access to a mineral deposit?
Options :
1.   incline
2.   adit
3.   shaft
4.   hangwall


Question Number : 6 Question Id : 441009753188 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which celestial object is primarily used in field astronomy for mine surveying?
Options :
1.   The Sun
2.   The Moon
3.   Polaris (North Star)
4.   Mars


Question Number : 7 Question Id : 441009753200 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following instruments is most commonly used in underground surveying to measure angles and
distances with high accuracy?

Options :
1.   Tape measure
2.   Theodolite
3.   Hand-held GPS unit
4.   Compass

Question Number : 8 Question Id : 441009753217 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary use of tacheometry in surveying?
Options :
1.    Mapping contour lines
2.    Measuring horizontal and vertical angles
3.    Determining elevation
4.    Measuring distances


Question Number : 9 Question Id : 441009753220 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Accurate levels and leveling are crucial in mining operations for determining the elevation and
gradient of mine shafts and tunnels.
Conclusion: Therefore, using high-precision leveling instruments will completely eliminate the risk of water
ingress and structural instability in underground mining operations.
Options :
1.    The statement is true, and the conclusion is true.
2.    The statement is true, but the conclusion is false.
3.    The statement is false, but the conclusion is true.
4.    Both the statement and conclusion are false.


Question Number : 10 Question Id : 441009753085 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The high explosives blasted with the help of detonators are called .................
Options :
1.    booster sensitive
2.    non cap sensitive
3.    cap sensitive
4.    insensitive

Question Number : 11 Question Id : 441009753183 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to GPS technology:
Terms:
T 1: Satellite
T 2: Receiver
T 3: Triangulation
T 4: Ephemeris

Definitions:
D 1: A device that receives signals from satellites to determine its location.
D 2: The process of determining a location by measuring distances from multiple reference points.
D 3: The data that describes the position and trajectory of a satellite.
D 4: An artificial object placed in orbit around the Earth to transmit signals.



Options :
1.   T1-D3; T2-D2; T3-D1; T4-D4
2.   T1-D4 T2-D1; T3-D2; T4-D3
3.   T1-D3; T2-D2; T3-D4; T4-D1
4.   T1-D3; T2-D1; T3-D2; T4-D4


Question Number : 12 Question Id : 441009753185 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is a key feature of a total station?
Options :
1.   It combines the functions of a theodolite and EDM.
2.   It is used for measuring air quality.
3.   It is primarily used for photogrammetry.
4.   It is used for hydrographic surveying.


Question Number : 13 Question Id : 441009753191 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is photogrammetry primarily used for in surveying?
Options :
1.   Measuring angles
2.   Measuring distances
3.   Determining elevation
4.   Mapping large areas

Question Number : 14 Question Id : 441009753192 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Curves are essential in mine surveying for designing transportation routes.
Conclusion: They help in smooth transitions between straight paths.
Options :
1.   The statement is true, and the conclusion is true.
2.   The statement is true, but the conclusion is false
3.   The statement is false, but the conclusion is true
4.   Both the statement and conclusion are false


Question Number : 15 Question Id : 441009753193 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which instrument is commonly used in underground surveying?
Options :
1.   Total station
2.   Gyrotheodolite
3.   GPS receiver
4.   Barometer


Question Number : 16 Question Id : 441009753206 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary purpose of contour lines in mine surveying?
Options :
1.   To determine soil type
2.   To measure distance
3.   To indicate elevation
4.   To mark boundaries

Question Number : 17 Question Id : 441009753214 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to contouring in mine surveying:
Terms:
Term 1: Bench mark
Term 2: Contour line
Term 3: Interpolation
Term 4: Datum
Definitions:
Definition 1: A fixed reference point of known elevation
Definition 2: A line on a map joining points of equal elevation
Definition 3: Estimating unknown values that fall between known values
Definition 4: The base reference for vertical measurements

Options :
1.   Term 1- Definition 1, Term 2-Definition 2, Term 3 - Definition 3, Term 4- Definition 4
2.   Term 1- Definition 2, Term 2-Definition 1, Term 3 - Definition 3, Term 4- Definition 4
3.   Term 1- Definition 1, Term 2-Definition 2, Term 3 - Definition 4, Term 4- Definition 3
4.   Term 1- Definition 1, Term 2-Definition 3, Term 3 - Definition 2, Term 4- Definition 4


Question Number : 18 Question Id : 441009753215 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Assertion: Triangulation requires at least three fixed points.
Reasoning: This allows for accurate calculation of angles and distances between points.
Options :
1.   Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
2.   Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion.
3.   The assertion is true, but the reasoning is false.
4.   Both assertion and reasoning are false.


Question Number : 19 Question Id : 441009753216 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following methods is primarily used in tacheometry?
Options :
1.   Stadia method
2.   Triangulation method
3.   GPS method
4.   Photogrammetry method

Question Number : 20 Question Id : 441009753218 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a component of a theodolite?
Options :
1.   Plumb bob
2.   Telescope
3.   Tripod
4.   GPS receiver


Question Number : 21 Question Id : 441009753219 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary use of theodolite in surveying?
Options :
1.   Measuring distances
2.   Determining elevation
3.   Measuring horizontal and vertical angles
4.   Mapping contour lines


Question Number : 22 Question Id : 441009753081 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following drilling patterns can be used for solid blasting in bord and pillar method of working?
Options :
1.   Coromant cut
2.   Fan cut
3.   Drag cut
4.   Ring drilling


Question Number : 23 Question Id : 441009753084 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following explosive has the highest VOD among others?
Options :
1.   slurry
2.   ANFO
3.   emulsion
4.   gunpowder

Question Number : 24 Question Id : 441009753086 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following drills is generally designed for horizontal drilling?
Options :
1.    jack hammer
2.    drifter
3.    DTH drill
4.    wireline drill


Question Number : 25 Question Id : 441009753091 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In India, every mine should have at least ................. shafts or inclines before any underground production
work is undertaken.
Options :
1.    2
2.    3
3.    4
4.    5


Question Number : 26 Question Id : 441009753114 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which type of error can be minimized by proper instrument calibration in surveying?
Options :
1.    Systematic errors
2.    Random errors
3.    Gross errors
4.    Human errors


Question Number : 27 Question Id : 441009753184 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following components is essential for GPS operation?
Options :
1.    Satellite signals
2.    Theodolite
3.    Barometer
4.    Hygrometer

Question Number : 28 Question Id : 441009753189 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Field astronomy involves the observation and measurement of celestial bodies to determine their
positions and movements.
Conclusion: Therefore, field astronomy can be used to accurately determine the time of day and geographic
location on Earth.
Options :
1.   The statement is true, and the conclusion is true.
2.   The statement is true, but the conclusion is false.
3.   The statement is false, but the conclusion is true
4.   Both the statement and conclusion are false


Question Number : 29 Question Id : 441009753190 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Assertion: Photogrammetry can be used for creating 3D models.
Reasoning: It involves taking overlapping photographs to extract spatial information.
Options :
1.   Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
2.   Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion
3.   The assertion is true, but the reasoning is false
4.   Both assertion and reasoning are false


Question Number : 30 Question Id : 441009753204 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following: T
1: Systematic errors T
2: Random errors T
3: Gross errors T
4: Human errors
With
D 1: Errors that follow a predictable pattern
D 2: Errors due to instrument flaws
D 3: Errors that occur irregularly
D 4: Errors due to mistakes by the surveyor
Options :
1.   T1-D3; T2-D2; T3-D1; T4-D4
2.   T1-D3; T2-D2; T3-D4; T4-D1
3.   T1-D1; T2-D3; T3-D4; T4-D2
4.   T1-D1; T2-D2; T3-D4; T4-D3

Question Number : 31 Question Id : 441009753112 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Assertion: Theories of rock failure are crucial for understanding the stability of underground excavations.
Reasoning: They help predict how rocks will behave under different stress conditions.
Options :
1.    Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
2.    Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion.
3.    The assertion is true, but the reasoning is false.
4.    Both assertion and reasoning are false.


Question Number : 32 Question Id : 441009753152 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following advancements in roof supporting systems has been shown to significantly improve the safety
and longevity of underground mine workings by providing continuous monitoring and adaptive support?

Options :
1.    The use of traditional timber supports
2.    The implementation of steel arches
3.    The application of shotcrete lining
4.    The integration of smart rock bolts with real-time stress and displacement sensors


Question Number : 33 Question Id : 441009753155 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary factor affecting slope stability in open-pit mines?

Options :
1.    The angle of the slope
2.    The colour of the rock
3.    The size of the equipment
4.    The depth of the mine


Question Number : 34 Question Id : 441009753157 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary method to mitigate rock bursts?

Options :
1.    Pre-conditioning the rock with hydraulic fracturing
2.    Increasing ventilation
3.    Reducing mining depth
4.    Enhancing lighting systems

Question Number : 35 Question Id : 441009753164 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary cause of ground vibrations in mining operations?

Options :
1.    Blasting
2.    Ventilation
3.    Water inflow
4.    Lighting


Question Number : 36 Question Id : 441009753166 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which principle is a load cell primarily used to measure force or weight in mining operations?
Options :
1.    Electromagnetic induction
2.    Fluid pressure
3.    Strain gauge deformation
4.    Optical fiber displacement


Question Number : 37 Question Id : 441009753167 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following:
T1: Strain gauge
T2: Load cell
T3: Piezometer
T4: Extensometer

With
D 1: Measures strain in a material
D 2: Measures force or load
D 3: Measures pressure in fluids
D 4: Measures changes in length

Options :
1.    T1: D1; T2: D2; T3: D3; T4: D4
2.    T1: D1; T2: D3; T3: D2; T4: D4
3.    T1: D4; T2: D2; T3: D3; T4: D1
4.    T1: D1; T2: D4; T3: D3; T4: D2

Question Number : 38 Question Id : 441009753170 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which property describes the ability of a rock to deform without breaking?

Options :
1.    Ductility
2.    Elasticity
3.    Brittleness
4.    Hardness


Question Number : 39 Question Id : 441009753178 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary purpose of a free body diagram?

Options :
1.    To measure the speed of an object
2.    To determine the mass of an object
3.    To illustrate all forces acting on an object
4.    To calculate the volume of an object


Question Number : 40 Question Id : 441009753182 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a key principle of equivalent force systems?
Options :
1.    Equilibrium
2.    Resultant force
3.    Deformation
4.    Elasticity

Question Number : 41 Question Id : 441009753150 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to mine filling:
Terms:
  Term 1: Hydraulic fill
  Term 2: Paste fill
  Term 3: Cemented rock fill (CRF)
  Term 4: Tailings
Definitions:
  Definition 1: A mixture of mine tailings, water, and cement used to fill mined-out voids, providing structural
support.
  Definition 2: A backfill method that uses dewatered mine tailings with a binder to create a dense, flowable fill.
  Definition 3: Coarse aggregate mixed with a binding agent, used to fill large stopes and provide ground support.
  Definition 4: Residual mineral waste material left over after ore processing, often used as backfill.
Options :
1.    Term 1 - Definition 1, Term 2 - Definition 2, Term 3 - Definition 3, Term 4 - Definition 4
2.    Term 1 - Definition 1, Term 2 - Definition 3, Term 3 - Definition 2, Term 4 - Definition 4
3.    Term 1 - Definition 4, Term 2 - Definition 2, Term 3 - Definition 3, Term 4 - Definition 1
4.    Term 1 - Definition 1, Term 2 - Definition 2, Term 3 - Definition 4, Term 4 - Definition 3


Question Number : 42 Question Id : 441009753161 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Assertion: Understanding stress distribution around mine openings is crucial for safe mining operations.
Reasoning: It helps in designing appropriate support systems.
Options :
1.    Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
2.    Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion.
3.    The assertion is true, but the reasoning is false.
4.    Both assertion and reasoning are false.


Question Number : 43 Question Id : 441009753162 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to ground vibrations in mining operations:
Terms:
A: Seismograph
B: Peak Particle Velocity (PPV)
C: Blast-induced vibrations
D: Attenuation
Definitions:
1: A measure of the maximum speed at which particles in the ground move due to vibration.
2: The process by which the intensity of ground vibrations decreases as it moves away from the source.
3: An instrument used to measure the intensity and characteristics of ground vibrations.
4: Vibrations generated by explosive blasts used in mining operations.
Options :
1.    A-3, B-1, C- 4, D-2
2.    A-3, B-1, C- 2, D-4
3.    A-1, B-4, C- 3, D-2
4.    A-2, B-3, C- 4, D-1

Question Number : 44 Question Id : 441009753165 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Given a rock sample with a cohesion of 5 MPa and an internal friction angle of 45 degrees, calculate the shear
strength of the rock when subjected to a normal stress of 10 MPa.




Options :
1.    10 MPa
2.    12 MPa
3.    15 MPa
4.    20 MPa


Question Number : 45 Question Id : 441009753168 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a commonly used rock mass classification system?


Options :
1.    RMR
2.    Mohs scale
3.    Richter scale
4.    Celsius scale


Question Number : 46 Question Id : 441009753169 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Rock mass classification systems are used to categorize rock masses based on their geotechnical
properties.
Conclusion: These systems help in designing support systems for underground excavations.
Options :
1.    The statement is true, and the conclusion is true.
2.    The statement is true, but the conclusion is false.
3.    The statement is false, but the conclusion is true.
4.    Both the statement and conclusion are false.

Question Number : 47 Question Id : 441009753173 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Particle kinematics is the study of the motion of particles without considering the forces that cause the
motion.
Conclusion: Therefore, particle kinematics can be used to predict the trajectory of a particle in free fall.
Options :
1.    The statement is true, and the conclusion is true.
2.    The statement is true, but the conclusion is false.
3.    The statement is false, but the conclusion is true.
4.    Both the statement and conclusion are false.


Question Number : 48 Question Id : 441009753174 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Assertion: In beam analysis, the maximum bending moment occurs at the point of zero shear force.
Reasoning: This is because the bending moment is the integral of the shear force distribution along the beam.
Options :
1.    Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
2.    Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion.
3.    The assertion is true, but the reasoning is false.
4.    Both assertion and reasoning are false.


Question Number : 49 Question Id : 441009753175 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
A particle starts from rest and accelerates uniformly at 2m/s2. What is its displacement after 3 seconds?


Options :
1.    9 meters
2.    12 meters
3.    10 meters
4.    18 meters

Question Number : 50 Question Id : 441009753177 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
A block of mass 5 kg is resting on a horizontal surface. The coefficient of static friction between the block and the
surface is 0.4. What is the maximum static frictional force that can act on the block before it starts to move?


Options :
1.    10N
2.    15N
3.    20N
4.    25N


Question Number : 51 Question Id : 441009753179 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary purpose of a truss?
Options :
1.    To determine equilibrium
2.    To measure forces
3.    To support loads
4.    To create moments


Question Number : 52 Question Id : 441009753181 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
A beam is in static equilibrium under the action of three forces: F1 = 10, F2 = 15, F3. If F1 and F2 act in the
same direction andF3 acts in the opposite direction, what is the magnitude of F3 to maintain equilibrium?
Options :
1.    5N
2.    10N
3.    15N
4.    25N

Question Number : 53 Question Id : 441009753113 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following:
 Terms:
   Term 1: Truss
   Term 2: Frame
   Term 3: Joint
   Term 4: Member
Definitions:
   Definition 1: A structure composed of straight members connected at joints
   Definition 2: A rigid structure that can support loads
   Definition 3: The point where members of a truss or frame connect
   Definition 4: An individual element of a structure

Options :
1.    Term 1: Truss - Definition 4, Term 2: Frame - Definition 2, Term 3: Joint - Definition 3, Term 4: Member -
Definition 1
2.    Term 1: Truss - Definition 1, Term 2: Frame - Definition 2, Term 3: Joint - Definition 3, Term 4: Member -
Definition 4
3.    Term 1: Truss - Definition 1, Term 2: Frame - Definition 3, Term 3: Joint - Definition 2, Term 4: Member -
Definition 4
4.    Term 1: Truss - Definition 2, Term 2: Frame - Definition 1, Term 3: Joint - Definition 3, Term 4: Member -
Definition 4


Question Number : 54 Question Id : 441009753151 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In the context of mine filling, which of the following practices is most critical for ensuring the long-term
stability and environmental sustainability of underground mine workings?
Options :
1.    Using low-cost materials for fill
2.    Minimizing the amount of fill used
3.    Ensuring rapid placement of fill materials
4.    Utilizing engineered backfill materials that provide structural support and minimize leachate generation


Question Number : 55 Question Id : 441009753153 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Roof supporting systems in underground mining are designed to prevent roof collapse and ensure
the safety of miners.
Conclusion: Therefore, the installation of roof supporting systems completely eliminates the risk of roof falls
in all mining conditions.
Options :
1.    The statement is true, and the conclusion is true.
2.    The statement is true, but the conclusion is false.
3.    The statement is false, but the conclusion is true.
4.    Both the statement and conclusion are false.

Question Number : 56 Question Id : 441009753156 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: The stability of slopes in open-pit mining operations is crucial for preventing landslides and
ensuring the safety of the mining operation.
Conclusion: Therefore, all slopes in open-pit mines are inherently stable and do not require any additional
support or monitoring.
Options :
1.   The statement is true, and the conclusion is true.
2.   The statement is true, but the conclusion is false.
3.   The statement is false, but the conclusion is true.
4.   Both the statement and conclusion are false.


Question Number : 57 Question Id : 441009753159 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following can cause subsidence?


Options :
1.   Underground mining
2.   Surface mining
3.   Mineral processing
4.   Blasting only


Question Number : 58 Question Id : 441009753163 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which instrument is used to measure the ground vibrations?

Options :
1.   Seismograph
2.   Barometer
3.   Anemometer
4.   Hygrometer

Question Number : 59 Question Id : 441009753176 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In particle dynamics, the net force acting on a particle is directly proportional to its mass and acceleration. This
relationship is described by which of the following laws?

Options :
1.    Newton's First Law
2.    Newton's Law of Universal Gravitation
3.    Hooke's Law
4.    Newton's Second Law




Question Number : 60 Question Id : 441009753180 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Assertion: Equations of equilibrium are used to determine the stability of structures.
Reasoning: They ensure that the sum of forces and moments are zero.
Options :
1.    Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
2.    Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion
3.    The assertion is true, but the reasoning is false.
4.    Both assertion and reasoning are false


Question Number : 61 Question Id : 441009753118 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Assertion: Crushers are used to reduce the size of mined ore for further processing.
Reasoning: Crushers are only effective for soft materials and cannot be used for hard rock mining.
Options :
1.    Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
2.    Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion.
3.    The assertion is true, but the reasoning is false.
4.    Both assertion and reasoning are false.

Question Number : 62 Question Id : 441009753128 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Hydraulic systems in mining machinery use incompressible fluids to transmit power.
Conclusion: Therefore, hydraulic systems are less efficient than pneumatic systems for applications requiring
precise control of force and motion.
Options :
1.   The statement is true, and the conclusion is true.
2.   The statement is true, but the conclusion is false.
3.   The statement is false, but the conclusion is true.
4.   Both the statement and conclusion are false.


Question Number : 63 Question Id : 441009753130 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which factor is most crucial for reducing wear and tear on conveyor belts and ensuring smooth material
flow?
Options :
1.   High-capacity belts
2.   Automated loading systems
3.   Optimal Tension
4.   Slow speed of conveyor belt


Question Number : 64 Question Id : 441009753139 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the key feature of longwall mining?
Options :
1.   A long wall of coal is mined in a single slice
2.   Rooms and pillars are left in place
3.   Mining is done using vertical shafts
4.   Ore is extracted using bucket wheel excavators


Question Number : 65 Question Id : 441009753140 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What distinguishes room and pillar mining from other underground mining methods?
Options :
1.   Rooms are mined out while pillars of ore are left to support the roof
2.   Ore is extracted in long horizontal layers
3.   Mining is done using continuous miners
4.   Ore is extracted in vertical shafts

Question Number : 66 Question Id : 441009753141 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: The bord and pillar system in underground coal mining involves leaving pillars of coal to support the roof
while the coal is extracted from the surrounding areas.
Conclusion: Therefore, the bord and pillar system completely eliminates the risk of roof collapse in underground coal
mines.
Options :
1.    The statement is true, and the conclusion is true.
2.    The statement is true, but the conclusion is false.
3.    The statement is false, but the conclusion is true.
4.    Both the statement and conclusion are false.


Question Number : 67 Question Id : 441009753143 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a primary advantage of using continuous surface mining systems compared to traditional
truck-and-shovel methods in large-scale mining operations?
Options :
1.    Reduced initial capital investment
2.    Increased flexibility in handling varying ore grades
3.    Higher operational efficiency due to continuous material flow and reduced downtime
4.    Enhanced ability to handle steeply dipping ore bodies


Question Number : 68 Question Id : 441009753145 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to loading in mining operations:
Terms:
  Term 1: Front-end loader
  Term 2: Load-haul-dump (LHD) machine
  Term 3: Shovel
  Term 4: Skip loader
Definitions:
  Definition 1: A machine used for loading materials into trucks or conveyors, often used in surface mining.
  Definition 2: A machine designed to transport ore from the stope to the ore pass in underground mining.
  Definition 3: A loading device used in underground mining to lift materials vertically to the surface.
  Definition 4: A versatile machine used for loading, hauling, and dumping materials in underground mining.
Options :
1.    Term 1 - Definition 4, Term 2 - Definition 1, Term 3 - Definition 2, Term 4 - Definition 3
2.    Term 1 - Definition 1, Term 2 - Definition 4, Term 3 - Definition 2, Term 4 - Definition 3
3.    Term 1 - Definition 1, Term 2 - Definition 4, Term 3 - Definition 3, Term 4 - Definition 2
4.    Term 1 - Definition 1, Term 2 - Definition 2, Term 3 - Definition 4, Term 4 - Definition 3

Question Number : 69 Question Id : 441009753148 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to surface mining layout:
Terms:
  Term 1: Open-pit
  Term 2: Bench
  Term 3: Haul road
  Term 4: Overburden
Definitions:
  Definition 1: A horizontal platform or step in a mining operation used to access ore.
  Definition 2: The material that lies above the ore body and must be removed to access the ore.
  Definition 3: A roadway designed for the movement of haul trucks within a mine.
  Definition 4: A surface mining method where the ore is extracted from an open excavation.
Options :
1.    Term 1 - Definition 4, Term 2 - Definition 1, Term 3 - Definition 3, Term 4 - Definition 2
2.    Term 1 - Definition 4, Term 2 - Definition 1, Term 3 - Definition 2, Term 4 - Definition 3
3.    Term 1 - Definition 1, Term 2 - Definition 4, Term 3 - Definition 3, Term 4 - Definition 2
4.    Term 1 - Definition 4, Term 2 - Definition 3, Term 3 - Definition 1, Term 4 - Definition 2


Question Number : 70 Question Id : 441009753115 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which type of pump is commonly used for dewatering in mines?

Options :
1.    Centrifugal pump
2.    Gear pump
3.    Peristaltic pump
4.    Diaphragm pump


Question Number : 71 Question Id : 441009753117 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which type of crusher is typically used for primary crushing in mining?
Options :
1.    Jaw crusher
2.    Cone crusher
3.    Hammer crusher
4.    Impact crusher

Question Number : 72 Question Id : 441009753119 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In a mining hoisting system, which factor is most critical in determining the maximum load capacity of the hoist,
considering both safety and operational efficiency?
Options :
1.    The diameter of the hoist drum
2.    The speed of the hoisting operation
3.    The tensile strength and condition of the hoisting cable
4.    The depth of the mine shaft


Question Number : 73 Question Id : 441009753124 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to materials handling-haulages in mining:

 Terms:                                                     Definitions:
 Term 1: Skip                                               Definition 1: A continuous loop system for transporting
                                                            bulk materials over long distances.
 Term 2: Conveyor belt                                      Definition 2: A container used for vertical lifting of
                                                            mined materials to the surface.
 Term 3: Shuttle car                                        Definition 3: A wheeled vehicle used for transporting
                                                            materials short distances underground.
 Term 4: Hoist                                              Definition 4: A system used for lifting and lowering
                                                            loads in shafts.
Options :
1. Term 1: Skip - Definition 2, Term 2: Conveyor belt - Definition 1, Term 3: Shuttle car - Definition
4, Term 4: Hoist - Definition 3
2. Term 1: Skip - Definition 2, Term 2: Conveyor belt - Definition 1, Term 3: Shuttle car - Definition
3, Term 4: Hoist - Definition 4
3. Term 1: Skip - Definition 1, Term 2: Conveyor belt - Definition 2, Term 3: Shuttle car - Definition
3, Term 4: Hoist - Definition 4
4. Term 1: Skip - Definition 2, Term 2: Conveyor belt - Definition 3, Term 3: Shuttle car - Definition
1, Term 4: Hoist - Definition 4


Question Number : 74 Question Id : 441009753127 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In a mining operation, the optimization of materials handling-haulages primarily depends on which of the following
factors to minimize downtime and maximize productivity?
Options :
1.    The distance between the mining site and the processing plant
2.    The speed of the conveyor belts used in the system
3.    The type of material being transported
4.    The integration of automated monitoring systems for real-time diagnostics and predictive maintenance

Question Number : 75 Question Id : 441009753131 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary benefit of stope mechanization in underground mining?
Options :
1.    Increased productivity and efficiency
2.    Enhanced ore quality
3.    Improved environmental sustainability
4.    Reduced equipment costs


Question Number : 76 Question Id : 441009753134 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to highwall mining:
Terms:
Term 1: Highwall miner
Term 2: Auger mining
Term 3: Conveyor system
Term 4: Bench
Definitions:
Definition 1: A machine used to mine coal or other minerals from the exposed face of a highwall
Definition 2: A horizontal platform or ledge in an open-pit mine
Definition 3: A mining technique that uses a screw-like tool to extract minerals from the highwall
Definition 4: A system used to transport mined materials from the highwall to the processing plant
Options :
1.   Term 1 - Definition 4, Term 2 - Definition 3, Term 3 - Definition 1, Term 4 - Definition 2
2.   Term 1 - Definition 1, Term 2 - Definition 2, Term 3 - Definition 4, Term 4 - Definition 3
3.   Term 1 - Definition 1, Term 2 - Definition 3, Term 3 - Definition 4, Term 4 - Definition 2
4.   Term 1 - Definition 3, Term 2 - Definition 1, Term 3 - Definition 4, Term 4 - Definition 2


Question Number : 77 Question Id : 441009753135 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is a key feature of caved stoping methods?

Options :
1.    Allowing the overlying rock to collapse into the mined-out area
2.    Using extensive roof support systems
3.    Extracting ore through vertical shafts
4.    Utilizing continuous miners for extraction

Question Number : 78 Question Id : 441009753136 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Open stoping methods in underground metal mining involve creating large open spaces by
extracting ore.
Conclusion: Therefore, open stoping methods always require artificial support to maintain stability.
Options :
1.    The statement is true, and the conclusion is true.
2.    The statement is true, but the conclusion is false.
3.    The statement is false, but the conclusion is true.
4.    Both the statement and conclusion are false.


Question Number : 79 Question Id : 441009753142 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary purpose of leaving pillars of coal in the bord and pillar system?
Options :
1.    To support the roof and prevent collapse
2.    To increase ventilation
3.    To enhance ore extraction
4.    To improve ore quality


Question Number : 80 Question Id : 441009753144 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a common method of transportation in surface mining?

Options :
1.    Haul trucks
2.    Elevators
3.    Rock bolts
4.    Shovels


Question Number : 81 Question Id : 441009753116 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
What is the primary function of an impact crusher in mining?

Options :
1.    Crushing and grinding the ore
2.    Screening and classifying the ore
3.    Drilling and blasting the ore
4.    Reducing the size of ore by impact force

Question Number : 82 Question Id : 441009753120 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following terms related to pumps used in mining operations:
 Terms:                                Definitions:
 Term 1: Centrifugal pump              Definition 1: A pump that operates by rotating a set of vanes, blades, or
                                       rotors to move water or other fluids.
 Term 2: Diaphragm pump                Definition 2: A pump designed to operate while fully submerged in the
                                       fluid it is pumping.
 Term 3: Submersible pump              Definition 3: A pump that uses a flexible tube squeezed by rollers or
                                       shoes to move fluid.
 Term 4: Peristaltic pump              Definition 4: A pump that uses a flexible diaphragm that moves back and
                                       forth to pump fluid.




Options :
1.   Term 1 - Definition 4, Term 2 - Definition 1, Term 3 - Definition 2, Term 4 - Definition 3
2.   Term 1 - Definition 1, Term 2 - Definition 4, Term 3 - Definition 2, Term 4 - Definition 3
3.   Term 1 - Definition 1, Term 2 - Definition 4, Term 3 - Definition 3, Term 4 - Definition 2
4.   Term 1 - Definition 1, Term 2 - Definition 2, Term 3 - Definition 4, Term 4 - Definition 3


Question Number : 83 Question Id : 441009753121 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
A pump is used to transfer water at a flow rate of 0.05 cubic meters per second with a total head of 15
meters. If the pump efficiency is 50%, what is the hydraulic power output of the pump? (Use the density of
water as 1000 kg/m³ and acceleration due to gravity as 10 m/s²).


Options :
1.    3.75 kW
2.    7.50 kW
3.    5.25 kW
4.    10 kW


Question Number : 84 Question Id : 441009753123 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In the context of mining operations, which of the following factors is most critical for optimizing the
performance and efficiency of a belt conveyor system?
Options :
1.    The length of the conveyor belt.
2.    The tensile strength of the belt material.
3.    The proper alignment and tensioning of the belt.
4.    The colour of the conveyor belt.

Question Number : 85 Question Id : 441009753126 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: The generation of mechanical power in mining equipment is primarily achieved through internal
combustion engines or electric motors.
Conclusion: Therefore, the transmission of this power can be efficiently managed without considering the mechanical
load and operational conditions.
Options :
1.    The statement is true, and the conclusion is true.
2.    The statement is true, but the conclusion is false.
3.    The statement is false, but the conclusion is true.
4.    Both the statement and conclusion are false.


Question Number : 86 Question Id : 441009753129 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In mechanical power transmission systems used in mining equipment, what is the primary factor that
determines the system's efficiency and reliability in high-torque applications?
Options :
1.    The use of high-performance lubricants
2.    The material strength of gears and shafts
3.    The regularity of maintenance schedules
4.    The precision in the alignment and balance of rotating components


Question Number : 87 Question Id : 441009753132 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Supported stoping methods use artificial supports such as rock bolts and timber to stabilize the
underground excavations.
Conclusion: Therefore, supported stoping methods are always safer than caved stoping methods.
Options :
1.    The statement is true, and the conclusion is true.
2.    The statement is true, but the conclusion is false.
3.    The statement is false, but the conclusion is true.
4.    Both the statement and conclusion are false.


Question Number : 88 Question Id : 441009753138 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which method is mainly used for mining thick coal seams?
Options :
1.    Longwall mining
2.    Bord and pillar mining
3.    Room and pillar mining
4.    Hydraulic mining

Question Number : 89 Question Id : 441009753147 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Assertion: The development phase in mining includes the construction of access roads and tunnels.
Reasoning: Proper development ensures efficient transportation of ore and waste materials.
Options :
1.    Both assertion and reasoning are true, and the reasoning is the correct explanation of the assertion.
2.    Both assertion and reasoning are true, but the reasoning is not the correct explanation of the assertion.
3.    The assertion is true, but the reasoning is false.
4.    Both assertion and reasoning are false.


Question Number : 90 Question Id : 441009753149 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a standard layout design in surface mining?
Options :
1.    Open-pit layout
2.    Room and pillar layout
3.    Longwall layout
4.    Block caving layout


Question Number : 91 Question Id : 441009753053 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which one of the following is the last stage of a mine life?




Options :
1.    Development
2.    Reclamation
3.    Exploration
4.    Extraction

Question Number : 92 Question Id : 441009753099 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Every effort should be made to prevent the formation of dust in mines.
Conclusion: 1. Keep the dust production to a minimum.
            2. Dust measuring equipment should be used.
Options :
1.   Only conclusion I follows
2.   Only conclusion II follows
3.   Neither I nor II follows
4.   Both I and II follows


Question Number : 93 Question Id : 441009753102 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Select the option that is true regarding the following two statements labelled Assertion (A) and Reason (R).

Assertion (A): As per Coal Mines Regulations, the stone dust used for dusting should not contain more than
5% of free silica.
Reason (R): A dust plan on a scale of 1 : 2400 or larger scale should be maintained in mines.
Options :
1.   Both A and R are true, and R is the correct explanation of A.
2.   Both A and R are true, and R is not the correct explanation of A.
3.   A is true, but R is false.
4.   A is false, but R is true.


Question Number : 94 Question Id : 441009753104 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The statistical analysis of accidents is essential for planning:
Options :
1.   feasibility studies
2.   prospecting work
3.   accident prevention programmes
4.   preparation of detailed project report

Question Number : 95 Question Id : 441009753106 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Working under unsupported, freely exposed roof is an example of:

Options :
1.    unsafe condition
2.    unsafe act
3.    safe condition
4.    safe act


Question Number : 96 Question Id : 441009753203 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
As per CMR 2017, the airflow in every district should be at least ................ m3/min. per person employed in
the district.
Options :
1.    2.5
2.    6
3.    5
4.    4.5


Question Number : 97 Question Id : 441009753208 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In a mine of high resistance, the series arrangement of fans gives
Options :
1.    increase in air flow quantity
2.    decrease in air flow quantity
3.    no change in air flow quantity
4.    change in mine resistance


Question Number : 98 Question Id : 441009753211 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Permanent stoppings in coal mines are made of ________.
Options :
1.    brattice cloth
2.    tarred paper
3.    plastic cloth with wire netting
4.    brick or concrete walls

Question Number : 99 Question Id : 441009753076 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following does not cause air pollution?
Options :
1.   SO2
2.   COD
3.   NO2
4.   CO2


Question Number : 100 Question Id : 441009753101 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The methane percentage test is carried out with the help of:

Options :
1.   flameproof safety torch
2.   electric cap lamp
3.   audio-visual alarm lamp
4.   flame safety lamp


Question Number : 101 Question Id : 441009753103 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct explanation:

Assertion (A): The statistical analysis of mine accidents help in identifying the problem areas and fix
priorities for tackling them.
Reason (R): The time-wise analysis may show that more accidents take place during the last two hours of the
shift.
Options :
1.   Both A and R are true, and R is the correct explanation of A
2.   Both A and R are true, and R is not the correct explanation of A
3.   A is true, but R is false
4.   A is false, but R is true

Question Number : 102 Question Id : 441009753109 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Hopcalite chemical changes:
Options :
1.   CO to CO2
2.   O2 to CO
3.   O2 to CO2
4.   N2 to NO2


Question Number : 103 Question Id : 441009753110 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a dust hazard?
Options :
1.   Nystagmus
2.   Ankylostomiasis
3.   Miner's anaemia
4.   Siderosis


Question Number : 104 Question Id : 441009753196 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following:
                 Fire classification                            Combustible materials
1. Class A                                      a. petrol
2. Class B                                      b. LPG gas
3. Class C                                      c. melting iron
4. Class D                                      d. coal
Options :
1.   1-d, 2-a, 3-b, 4-c
2.   1-b, 2-a, 3-d, 4-c
3.   1-d, 2-c, 3-b, 4-a
4.   1-c, 2-d, 3-a, 4-b

Question Number : 105 Question Id : 441009753198 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
In III degree of gassiness, the rate of emission of gas is ....................... m3/te.
Options :
1.    less than 1
2.    1-5
3.    45787
4.    more than 10


Question Number : 106 Question Id : 441009753201 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: Kirchhoff's two laws are applicable to steady state fluid flow in a closed ventilation system.
Conclusion:
I. Kirchhoff's first law - The airflow entering a junction equals the airflow leaving that junction.
II. Kirchhoff's second law - The algebraic sum of the pressure drops in the branches in a mess is zero.
Options :
1.    Only conclusion I follows


2.    Only conclusion II follows


3.    Neither I nor II follows


4.    Both I and II follows


Question Number : 107 Question Id : 441009753207 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Statement: The evasee is provided to reduce the final velocity of air discharge to a minimum.
Conclusion: I. This helps smooth flow of air.
           II. Some of the velocity energy is transformed into pressure energy.
Options :
1.    Only conclusion I follows
2.    Only conclusion II follows
3.    Neither I nor II follows
4.    Both I and II follows

Question Number : 108 Question Id : 441009753209 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Motive column is related to
Options :
1.   fan ventilation
2.   natural ventilation
3.   mechanical ventilation
4.   auxiliary ventilation


Question Number : 109 Question Id : 441009753213 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The vapour compression refrigeration system is used for cooling the
Options :
1.   rock
2.   machinery
3.   air
4.   burning coal


Question Number : 110 Question Id : 441009753222 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
                           Damp                                        Gas
1. firedamp                                    a. CO
2. blackdamp                                   b. H2S
3. whitedamp                                   c. CH4
4. stinkdamp                                   d. N2+CO2
Options :
1.   1-c, 2-d, 3-a, 4-b
2.   1-b, 2-a, 3-d, 4-c
3.   1-d, 2-c, 3-a, 4-b
4.   1-c, 2-a, 3-d, 4-b


Question Number : 111 Question Id : 441009753223 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The unit of geothermal gradient is ______.
Options :
1.   W/m2
2.   m/oC
3.   watt
4.   joule

Question Number : 112 Question Id : 441009753073 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct explanation:
Assertion (A): Manifestation of noise pollution after prolong exposure could be permanent loss of hearing.
Reason (R): Protection from noise pollution is possible by using the heavy blasting in mines.

Options :
1.   Both A and R are true, and R is the correct explanation of A
2.   Both A and R are true, and R is not the correct explanation of A
3.   A is true, but R is false
4.   A is false, but R is true


Question Number : 113 Question Id : 441009753075 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The SO2 reduction in the ambient air is possible by using ...............
Options :
1.   hygroscopic salts
2.   water spraying
3.   fuel gas desulphurization
4.   electrostatic precipitator


Question Number : 114 Question Id : 441009753100 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following equipment is NOT fitted with fire stopping?
Options :
1.   Water gauge
2.   Thermometer
3.   Sampling pipe
4.   Fire extinguisher


Question Number : 115 Question Id : 441009753105 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The term 'Domino sequence' is related with:
Options :
1.   planning
2.   extraction
3.   reclamation
4.   safety

Question Number : 116 Question Id : 441009753194 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Presence of firedamp in air between 5.4 and ................. % forms an explosive mixture.
Options :
1.    12.8
2.    13.8
3.    14.8
4.    15.8


Question Number : 117 Question Id : 441009753210 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following type is not an auxiliary ventilation?
Options :
1.    natural
2.    reversible
3.    exhausting
4.    overlapping


Question Number : 118 Question Id : 441009753212 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The nature of flow of liquid (laminar or turbulent) is governed by a parameter called
Options :
1.    equivalent orifice
2.    coefficient of friction
3.    reynolds number
4.    relative humidity


Question Number : 119 Question Id : 441009753221 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct conclusion for the given statement.

Statement: Air conditioning plant (ACP) are used in many deep underground mines.
Conclusion: I. They provide acceptable climatic condition in the working.
            II. For underground plants ammonia is unacceptable because of its pungent smell and toxic
nature.
Options :
1.    Only conclusion I follows
2.    Only conclusion II follows
3.    Neither I nor II follows
4.    Both I and II follows

Question Number : 120 Question Id : 441009753224 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is NOT a source of heat in underground mine air?
Options :
1.    Rock
2.    Machinery
3.    Oxidation of coal
4.    Depth of working


Question Number : 121 Question Id : 441009753048 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which one of the following factor is not considered in mine planning?




Options :
1.    Manpower
2.    Production
3.    Investment
4.    Electricity generation


Question Number : 122 Question Id : 441009753052 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The reliability of a machine or equipment which can not be repaired when fails, is measured as ..............

Options :
1.    Mean Time To Failure (MTTF)
2.    Mean Time Between Failure (MTBF)
3.    Mean Time To Repair (MTTR)
4.    Mean Time Waiting for Spares (MTWS)

Question Number : 123 Question Id : 441009753056 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct explanation.

Statement: At every stage of sampling and analysis, adequate care and caution must be taken.
Conclusion:
I. It does not affect the accuracy of the sampling.
II. This ensures elimination of systematic error, minimization of bias and enhancement of precision to raise
the overall accuracy of intimation.

Options :
1.   Only conclusion II follows
2.   Only conclusion I follows
3.   Neither I nor II follows
4.   Both I and II follows


Question Number : 124 Question Id : 441009753059 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct explanation.

Assertion (A): The critical path method (CPM) is a step-by-step procedure for scheduling the activities in a
project.
Reason (R): Optimistic time estimate is the smallest time taken to complete the activity, if everything goes
well.

Options :
1.   Both A and R are true, and R is the correct explanation of A
2.   Both A and R are true, and R is not the correct explanation of A
3.   A is true, but R is false
4.   A is false, but R is true


Question Number : 125 Question Id : 441009753063 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following for Bath tub curve phases:
                        Phase                                       Represent
          1.Debugging phase                         A. Parts age and wear out
 ​        2.Chance failure phase                 ​ B. Failures due to initial problem
 ​        3.Wear out phase                       ​ C. Useful life of equipment
          4.Starting point                          D. Time zero
Options :
1.   1-B, 2-C, 3-A, 4-D
2.   1-C, 2-D, 3-B, 4-A
3.   1-A, 2-C, 3-D, 4-B
4.   1-D, 2-C, 3-B, 4-A

Question Number : 126 Question Id : 441009753069 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which one of the following is not an inventory cost?
Options :
1.   item (production or purchase) cost
2.   carrying or holding cost
3.   shortage or stock out cost
4.   PERT


Question Number : 127 Question Id : 441009753071 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is not a method to obtain the solution of a transportation problem?
Options :
1.   least cost method
2.   lagrange multiplier method
3.   matrix minima method
4.   north west corner rule


Question Number : 128 Question Id : 441009753079 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Diamond drills are generally used for:
Options :
1.   bulk sampling
2.   grab sampling
3.   muck sampling
4.   drill hole sampling


Question Number : 129 Question Id : 441009753098 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Identified resources are specific bodies of mineral bearing material whose:
Options :
1.   only location is known
2.   only quantity is known
3.   only quality is known
4.   location, quality and quantity are known

Question Number : 130 Question Id : 441009753044 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which one of the following method can be used to find out the optimum location of shaft?

Options :
1.   Analytical method
2.   Simplex method
3.   MODI method
4.   Lagrange multiplier method


Question Number : 131 Question Id : 441009753049 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The maintainability is calculated as the ...............

Options :
1.   Mean Time Between Failure (MTBF)
2.   Mean Time To Repair (MTTR)
3.   Mean Time To Failure (MTTF)
4.   Mean Time Waiting for Spares (MTWS)


Question Number : 132 Question Id : 441009753050 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
If r1, r2, r3, …….…… rn are the reliabilities of the n number of components in the system when connected
in series, then the reliability of the system can be obtained by

Options :
1.   R = 1 – (1-r1)(1-r2)(1-r3)……..(1-rn)
2.   R = 1 + (1-r1)(1-r2)(1-r3)……..(1-rn)
3.   R = 1 + (1+r1)(1+r2)(1+r3)……..(1+rn)
4.   R = r1*r2*r3*……..rn

Question Number : 133 Question Id : 441009753055 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct explanation.

Statement: In a broad way, the basic factors of a mine valuation are reserve, unit profit and life.
Conclusion:
I. Each of these factors has an interdependent range of values affected by economic conditions.
II. Each of these factors has an independent range of values affected by economic conditions.




Options :
1.    Only conclusion I follows
2.    Only conclusion II follows
3.    Neither I nor II follows
4.    Both I and II follows


Question Number : 134 Question Id : 441009753066 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a simulation technique?
Options :
1.    Monte-Carlo method
2.    Fulkerson's rule
3.    EOQ model
4.    MODI method


Question Number : 135 Question Id : 441009753067 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which one of the following is not the customer's behaviour in queueing system?
Options :
1.    balking
2.    jockeying
3.    relaxing
4.    reneging

Question Number : 136 Question Id : 441009753068 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Kendall's notation is used for representing ............. models.
Options :
1.   queueing
2.   replacement
3.   assignment
4.   transhipment


Question Number : 137 Question Id : 441009753070 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is a network analysis technique?
Options :
1.   markov process
2.   cutting plane method
3.   critical path method
4.   MODI method


Question Number : 138 Question Id : 441009753072 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following term is not related to Linear programming?
Options :
1.   objective function
2.   constraints
3.   optimization
4.   EOQ model


Question Number : 139 Question Id : 441009753080 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Tax holiday is a/an:
Options :
1.   income tax
2.   tax incentive
3.   prospecting fee
4.   dead rent

Question Number : 140 Question Id : 441009753093 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is NOT a capital investment appraisal method?
Options :
1.   Payback period
2.   Capital theory
3.   Net present value
4.   Benefit cost ratio


Question Number : 141 Question Id : 441009753095 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which of the following is NOT a discounted cashflow criteria?
Options :
1.   Net present value
2.   Accounting rate of return
3.   Internal rate of return
4.   Benefit cost ratio


Question Number : 142 Question Id : 441009753043 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Overall job efficiency of a system is ………

Options :
1.   Average number of operating minutes
2.   Maximum number of operating minutes
3.   Minimum number of operating minutes
4.   Zero number of operating minutes


Question Number : 143 Question Id : 441009753045 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Which one of the following factor is not considered while considering the type of access to the mineral
deposit?

Options :
1.   GDP
2.   Geological disturbances
3.   Highest flood level
4.   Mine life span

Question Number : 144 Question Id : 441009753046 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Sludge samples are ………….. compared to core samples.

Options :
1.    Unsatisfactory
2.    Better
3.    Satisfactory
4.    Best


Question Number : 145 Question Id : 441009753051 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
The reliability of a machine or equipment which is repairable is measured as ............

Options :
1.    Mean Time Between Failure (MTBF)
2.    Mean Time To Repair (MTTR)
3.    Mean Time To Failure (MTTF)
4.    Mean Time Waiting for Spares (MTWS)


Question Number : 146 Question Id : 441009753054 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct explanation.

Statement: The annual outage factor is the number of days mine stopped production.
Conclusion:
I. The production hampers due to rain, flash flood, shafting of machines, etc.
II. The production does not hamper due to rain, flash flood, shafting of machines, etc.



Options :
1.    Only conclusion I follows
2.    Only conclusion II follows
3.    Neither I nor II follows
4.    Both I and II follows

Question Number : 147 Question Id : 441009753057 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Choose the correct explanation:

Assertion (A): The strategic planning covers the topics on business mission, policies and objectives,
alternatives and opportunities, strategies and resources.
Reason (R): The short-range production planning is necessary for running an operating mine.

Options :
1.   Both A and R are true, and R is not the correct explanation of A
2.   Both A and R are true, and R is the correct explanation of A
3.   A is true, but R is false
4.   A is false, but R is true


Question Number : 148 Question Id : 441009753062 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following.
                      Problem                                       Method
        1. Transportation                           A. North west corner rule
 ​      2. Assignment                            ​ B. Matrix minima method
                                                 ​ C. Least cost method
                                                 ​ D.Hungarian method
Options :
1.   1-A,B&C, 2-D
2.   1-A&D, 2-B&C
3.   1-C&D, 2-A&B
4.   1-B,C&D, 2-A

Question Number : 149 Question Id : 441009753078 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Match the following for the discounted cash flow method.
                      DCF method                                             Definition
                                                     P. the interest rate that will cause the net present
1. Net present value
                                                     value to become zero.
                                                     Q. the interest rate which will equate the future
                                                     benefits to the sum of the present value of initial
2. Internal rate of return                           investment to the future value of subsequent cash
                                                     flows, which are reinvestment at the firm's
                                                     reinvestment rate.
                                                     R. the ratio of sum of present value of future benefits
3. Wealth growth rate                                to the sum of the present value of investment outlays
                                                     and other costs.
                                                     S. the calculation of all cash flow values in year 0
4. benefit cost ratio
                                                     (the present) and then adding these values together.
Options :
1.   1-Q, 2-P, 3-S, 4-R
2.   1-R, 2-P, 3-S, 4-Q
3.   1-S, 2-P, 3-Q, 4-R
4.   1-R, 2-Q, 3-S, 4-P


Question Number : 150 Question Id : 441009753096 Question Type : MCQ
Correct Marks : 2 Wrong Marks : 0.66
Read the given information and select the correct option.

Assertion (A): Undiscovered resources are unspecified bodies of mineral bearing material.
Reason (R): They are presumed to exist on the basis of geological evidence.

Options :
1.   Both A and R are true, and R is the correct explanation of A.
2.   Both A and R are true, and R is not the correct explanation of A.
3.   A is true, but R is false.
4.   A is false, but R is true.