UKPSC AE 2021: Uttarakhand Combined State Engineering Service Examination, Agricultural Engineering (Paper-I) (Re-exam)
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Agricultural Engineering-I
1. The dimensions of dynamic viscosity are
(a) ML–1T–1 (b) MLT–1 (c) ML–1T (d) ML–2T
2. The shear in turbulent flow is mainly due to
(a) Mass transfer (b) Momentum transfer
(c) Heat transfer (d) All of these
3. The pressure at a point in water column is 3.924 N/cm 2, then what will be the corresponding
height of water column ?
(a) 4 meter (b) 8 meter (c) 2 meter (d) 6 meter
4. With the increase in pressure, the bulk modulus of elasticity
(a) increases (b) decreases (c) remains constant (d) None of these
5. Pascal’s law states that the pressure at a point is equal in all directions in
(a) Turbulent flow condition (b) Laminar flow condition
(c) Liquid at rest condition (d) None of the above
6. Cavitation is caused due to
(a) High discharge (b) Low pressure (c) High pressure (d) None of these
7. In a rectangular channel, the critical depth of flow is given by which of the following ?
(q = unit discharge, g = gravitational acceleration)
1 1 1 1
q2 3 q2 2 q2 4 q3 3
(a) (b) (c) (d)
g g g g
8. The stream function in a two dimensional flow field is given by = x2 – y2. Then the
magnitude of velocity at point (1, 1) will be
(a) 2 2 (b) 2 (c) 4 (d) 6
9. The velocity potential function is given by an expression as follows :
xy 3 x3y
= x2 y2
3 3
Then the velocity component in ‘x’ direction will be
x3
(a) xy2 – – 2y (b) 3x2y + 2x – xy2
3
y3
(c) x3y2 + 2x2 – y2x (d) + 2x – x2y
3
10. The Sewage has major component of
(a) solid and liquid (b) solid and gas (c) only solid (d) only liquid
AGN-01 2 Series-A
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( -)
1. :
(a) ML–1 T–1 (b) MLT–1 (c) ML–1T (d) ML–2T
2. : ?
(a) (b) (c) (d)
3. 3.924 N/cm2 ?
(a) 4 (b) 8 (c) 2 (d) 6
4.
(a) (b) (c) (d)
5. ?
(a) (b)
(c) (d)
6. ?
(a) (b) (c) (d)
7. ?
(q = , g = )
1 1 1 1
q2 3 q2 2 q2 4 q3 3
(a) (b) (c) (d)
g g g g
8. = x2 – y2 (1, 1) :
(a) 2 2 (b) 2 (c) 4 (d) 6
9.
xy3 2 x3y
= x y2
3 3
‘x’ :
x3
(a) xy2 – – 2y (b) 3x2y + 2x – xy2
3
y3
(c) x3y2 + 2x2 – y2x (d) + 2x – x2y
3
10. () :
(a) (b) (c) (d)
AGN-01 3 Series-A
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11. Concrete is usually defined as mixture of
(a) cement, sand, gravel and water (b) cement, clay, gravel and water
(c) cement, brick, gravel and water (d) cement, gravel and water
12. What type of test is performed to measure the plasticity of concrete ?
(a) compaction test (b) Elasticity test
(c) Slump test (d) Permeability test
13. A building construction material consisting of a mixture of cement, sand and water or lime,
sand and water is called
(a) Concrete (b) Mortar (c) Both (a) and (b) (d) None of these
14. Common size of brick in India is :
(a) 22.5 × 11.25 × 7.5 cm (b) 26.5 × 13.25 × 7.5 cm
(c) 28.5 × 14.25 × 7.5 cm (d) 30.5 × 11.5 × 7.5 cm
15. The seasoning of wood is done by which of the following method ?
(a) Water seasoning (b) Air seasoning
(c) Kiln seasoning (d) All of these
16. Surkhi can be used as a substitute of
(a) sand (b) cement (c) gravel (d) clay
17. The capacity of a septic tank should not be less than in general
(a) 1.1 m3 (b) 2.1 m3 (c) 3.1 m3 (d) 4.1 m3
18. Which of the following is mainly responsible for decomposition of sewage in a septic tank ?
(a) Virus (b) Fungus (c) Bacteria (d) Algae
19. Which among the following is the strongest concrete mixture (Cement : Sand : Gravel) ?
(a) 1 : 1.5 : 3 (b) 1 : 2 : 4 (c) 1 : 3 : 6 (d) 1 : 4 : 8
20. What is the approximate percentage of limestone in cement ?
(a) 45% (b) 60% (c) 75% (d) 90%
21. Which of the following is not a function of a septic tank ?
(a) Collection of sewage (b) Decomposition of sewage
(c) Storage of sludge (d) Transportation of sewage
22. Soak pits give very satisfactory results in the alluvial tract where the depth of soil is
(a) less (b) very less (c) very good (d) None of these
23. The size of store room for a small family in farm residence of which of the following size is
adequate ?
(a) 3.0 m 1.8 m (b) 4.0 m 1.8 m (c) 6.0 m 1.8 m (d) 3.5 m 1.8 m
AGN-01 4 Series-A
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11. : ?
(a) , , (b) , ,
(c) , , (d) ,
12. ?
(a) (b) ()
(c) (d)
13. , , ,
(a) (b) () (c) (a) (b) (d)
14. :
(a) 22.5 × 11.25 × 7.5 cm (b) 26.5 × 13.25 × 7.5 cm
(c) 28.5 × 14.25 × 7.5 cm (d) 30.5 × 11.5 × 7.5 cm
15. ?
(a) (b) (c) (d)
16. ?
(a) (b) (c) () (d)
17. : :
(a) 1.1 (b) 2.1 (c) 3.1 (d) 4.1
18. () : ?
(a) (b) (c) (d)
19. ( : : ) ?
(a) 1 : 1.5 : 3 (b) 1 : 2 : 4 (c) 1 : 3 : 6 (d) 1 : 4 : 8
20. () ?
(a) 45% () (b) 60% () (c) 75% () (d) 90% ()
21. ?
(a) (b)
(c) (d)
22. :
(a) (b) (c) (d)
23. () ( )
?
(a) 3.0 × 1.8 (b) 4.0 × 1.8
(c) 6.0 × 1.8 (d) 3.5 × 1.8
AGN-01 5 Series-A
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24. In Wooven wire fences in farms, the spacing between vertical wires is kept between which
of the following ?
(a) 30 and 60 cm (b) 15 and 30 cm (c) 40 and 60 cm (d) 20 and 80 cm
25. For constructing different structures, the compression strength of the concrete should range
between
(a) 1000 – 2000 kg/cm2 (b) 30 – 70 kg/cm2
(c) 300 – 700 kg/cm2 (d) 10 – 100 kg/cm2
26. Soil in which percolation rate is slower than which of the following is unsuitable for a
disposal field ?
(a) 08 cm/h (b) 10 cm/h (c) 12 cm/h (d) 05 cm/h
27. Which of the following in a septic tank contains some fat and grease ?
(a) Sewage (b) Sludge (c) Scum (d) None of these
28. A bag full of 50 kg cement will have the volume of approximately
(a) 0.35 m3 (b) 0.035 m3 (c) 0.50 m3 (d) 0.65 m3
29. Reaction at point ‘A’ will be
(a) 2 kN (b) 5 kN (c) 7 kN (d) 10 kN
30. Which is not a method to determine difference of elevation ?
(a) Barometric levelling (b) Trigonometric levelling
(c) Sprit levelling (d) Biometric levelling
31. Which of the following is the method of direct levelling ?
(a) Barometric levelling (b) Trigonometric levelling
(c) Sprit levelling (d) Reverse levelling
32. The purpose of a level is to provide
(a) a horizontal line of sight (b) a vertical line of sight
(c) an inclined line of sight (d) All of these
33. Which is not a part of a level ?
(a) A telescope (b) A levelling tube (c) A levelling head (d) A levelling staff
34. The levelling head in a Dumpy level generally consists of how many parallel plates ?
(a) Two (b) Four (c) Six (d) Eight
AGN-01 6 Series-A
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24. ?
(a) 30 60 .. (b) 15 30 .. (c) 40 60 .. (d) 20 80 ..
25. ?
(a) 1000 – 2000 ../ .. (b) 30 – 70 ../ ..
(c) 300 – 700 ../ .. (d) 10 – 100 ../ ..
26. : ?
(a) 08 ../ (b) 10 ../ (c) 12 ../ (d) 05 ../
27. () ?
(a) (b)
(c) (d)
28. 50 .. :
(a) 0.35 m3 () (b) 0.035 m3 ()
(c) 0.50 m3 () (d) 0.65 m3 ()
29. ‘A’ :
(a) 2 kN (b) 5 kN (c) 7 kN (d) 10 kN
30. ?
(a) (b) (c) (d)
31. ?
(a) (b) (c) (d)
32. ?
(a) (b)
(c) (d)
33. ?
(a) () (b)
(c) (d) ()
34. () : ?
(a) (b) (c) : (d)
AGN-01 7 Series-A
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35. Which of the following is not a kind of staff, used in surveying ?
(a) Telescopic staff (b) Telegraphic staff
(c) Folding staff (d) Target staff
36. Normally, the thickness of wire used in manufacturing a surveying chain is
(a) 4 – 8 gauge (b) 8 – 12 gauge (c) 12 – 16 gauge (d) 16 – 20 gauge
37. The length of each link of a Gunter’s chain is
(a) 9.72 inch (b) 9.27 inch (c) 7.92 inch (d) 7.29 inch
38. Which of the following is not a part of a surveying chain’s last link ?
(a) Collar (b) Eyebolt (c) Tally (d) Rings
39. One furlong is equal to how many Gunter’s chain ?
(a) 10 (b) 20 (c) 30 (d) 40
40. Generally, the shape of a Tally (Tag) in a ‘Surveying Chain’ is
(a) square (b) rectangular (c) triangular (d) None of these
41. Ranging may be carried out by which of the following method ?
(a) By eyes (b) By line ranger (c) By theodolite (d) By all of these
42. Which of the following is not a method to layout right angles with a chain or tape ?
(a) Three-four-five method (b) Chord method
(c) Semi-circle method (d) Circle method
43. The longest line in chain surveying is called
(a) Check line (b) Tie line (c) Base line (d) Prime line
44. When a survey proceeds in one direction and does not come back to the starting point, then
it is called as
(a) Open traverse (b) Unlimited traverse (c) Optimal traverse (d) None of these
45. Which of the following is also called ‘Azimuth’ ?
(a) True bearing (b) Magnetic bearing (c) False bearing (d) Assumed bearing
46. The value of 60º of Whole Circle Bearing (WCB) system into quadrantal bearing system
will be
(a) N 60º E (b) N 60º W (c) S 60º E (d) S 60º W
47. What will be the back bearing of the fore bearing 40º15' ?
(a) 40º15' (b) 220º15' (c) 49º45' (d) 139º45'
48. What is the angle between the lines having quadrantal bearings as N30º45'E and S39º45' E ?
(a) 19º30' (b) 71º30' (c) 109º30' (d) 199º30'
AGN-01 8 Series-A
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35. () ?
(a) (b) (c) (d)
36. : :
(a) 4 – 8 (b) 8 – 12 (c) 12 – 16 (d) 16 – 20
37. :
(a) 9.72 (b) 9.27 (c) 7.92 (d) 7.29
38. ?
(a) (b) (c) (d)
39. ?
(a) 10 (b) 20 (c) 30 (d) 40
40. : ‘ ’ () :
(a) (b) (c) (d)
41. () ?
(a) (b) (c) (d)
42. ?
(a) -- (b)
(c) - (d)
43. :
(a) () (b)
(c) () (d) ()
44. :
(a) (b) (c) (d)
45. ‘’ ?
(a) (b) (c) (d)
46. (WCB) 60 :
(a) N 60° E (b) N 60° W (c) S 60° E (d) S 60° W
47. 40°15ʹ ?
(a) 40°15ʹ (b) 22015ʹ (c) 49°45ʹ (d) 139°45ʹ
48. N 30°45ʹ E S 39°45ʹ E ?
(a) 19°30ʹ (b) 71°30ʹ (c) 109°30ʹ (d) 199°30ʹ
AGN-01 9 Series-A
Text of page 10
49. In India Mean Sea Level (MSL) of which place is used as standard datum ?
(a) Mumbai (b) Chennai (c) Kolkata (d) Goa
50. What is not true for a “Theodolite” ?
(a) Revolves in horizontal plane (b) Revolves in vertical plane
(c) Cannot measure distances (d) Can act as a Compass
51. What is not true for a contour line ?
(a) All points on a contour line have same elevation.
(b) Contour lines never meet.
(c) Contours of higher elevation inside indicate a hillock.
(d) Contours of lower elevation inside indicate a depression.
52. Rise and fall method is related to which type of survey ?
(a) Aerial Survey (b) G.P.S. Survey (c) Level Survey (d) None of these
53. One mile is equal to how many kilometers ?
(a) 1.0936 (b) 1.9360 (c) 1.3609 (d) 1.6093
54. If the scale of the map is 1 cm = 1 m, then the actual area on the field is how many times the
area in the map ?
(a) 102 (b) 104 (c) 10–2 (d) 10–4
55. Gunter’s chain was developed by whom ?
(a) Edmund Gunter (b) Robert Gunter (c) David Gunter (d) Robin Gunter
56. A distance of 5 chains and 23 links was measured by an Engineers chain. What was the
measured distance ?
(a) 523 meter (b) 523 feet (c) 523 kilometer (d) 5.23 meter
57. Which is not correct for a tally (Tag) in a surveying chain ?
(a) Two teeth at 20 links (b) Three teeth at 30 links
(c) Four teeth at 40 links (d) Five teeth at 50 links
58. Which is a method to layout right angles with a chain or tape ?
(a) one-two-three method (b) two-three-four method
(c) three-four-five method (d) four-five-six method
59. Which of the following mirror in optical square, is wholly silvered ?
(a) Index mirror (b) Horizon mirror (c) Cross mirror (d) All of these
60. The LSU dryer was developed at which of the following place for the first time ?
(a) London State University (b) Ludhiana State University
(c) Lucknow State University (d) Lousiana State University
AGN-01 10 Series-A
Text of page 11
49. (...) ?
(a) (b) (c) (d)
50. “” ?
(a) (b)
(c) (d)
51. ?
(a) (Elevation)
(b)
(c)
(d)
52. - ?
(a) (b) ... (c) (d)
53. ?
(a) 1.0936 (b) 1.9360 (c) 1.3609 (d) 1.6093
54. 1 .. = 1 . ,
?
(a) 102 (b) 104 (c) 10–2 (d) 10–4
55. ?
(a) (b) (c) (d)
56. 5 23 , ?
(a) 523 (b) 523 (c) 523 (d) 5.23
57. () ?
(a) 20 (b) 30
(c) 40 (d) 50
58. ?
(a) – – (b) - –
(c) – – (d) – – :
59. ( ) ?
(a) (b) (c) (d)
60. ... ?
(a) (b)
(c) (d)
AGN-01 11 Series-A
Text of page 12
61. If the moisture content on wet weight basis is 20%, then what would be the moisture content
on dry weight basis ?
(a) 20% (b) 25% (c) 30% (d) 35%
62. A 9 9 screen has how many openings in one inch ?
(a) 81 (b) 9 (c) 3 (d) None of these
63. In thin layer drying, the grain depth is limited to
(a) 15 cm (b) 30 cm (c) 40 cm (d) 50 cm
64. In a ball mill, most of the size reduction is done by
(a) Shearing (b) Cutting (c) Impact (d) Crushing
65. Angle of repose of maize grains varies from
(a) 23 – 28 degree (b) 30 – 40 degree (c) 20 – 25 degree (d) None of these
66. In adiabatic drying, the following things remain constant.
(a) Dry bulb and wet bulb temperature (b) Wet bulb temperature and enthalpy
(c) Dry bulb temperature and enthalpy (d) Wet bulb temperature and relative humidity
67. The terminal velocity for Soya bean grain ranges between which of the following ?
(a) 5.8 – 8.1 m/s (b) 9.1 – 18.3 m/s (c) 18.9 – 19.5 m/s (d) 19.5 – 25.5 m/s
68. The American Society of Agricultural Engineers (ASAE) has approved the value of bulk
density of rough rice in kg/m3 as
(a) 510 (b) 576 (c) 676 (d) 876
69. Dryer used in CFTRI method of pulses milling is
(a) Rotary dryer (b) Tunnel dryer (c) LSU dryer (d) Huller
70. The heat utilization factor is defined as
(a) 1 – coefficient of performance (b) 1 – effective heat efficiency
(c) 1 – overall thermal efficiency (d) 1 – sensible heat efficiency
71. The difference between desorption and adsorption curves is known as,
(a) Hysteresis effect (b) Moisture effect
(c) Pressure effect (d) Temperature effect
72. In belt conveyor, the belt speed should not increase the value of which of the following for
conveying grain ?
(a) 1.5 m/s (b) 2.5 m/s (c) 3.5 m/s (d) 4.5 m/s
AGN-01 12 Series-A
Text of page 13
61. 20 ?
(a) 20% () (b) 25% () (c) 30% () (d) 35% ()
62. 9 × 9 ?
(a) 81 (b) 9 (c) 3 (d)
63. :
(a) 15 .. (b) 30 .. (c) 40 .. (d) 50 ..
64. ( ) ?
(a) (b) (c) (d)
65. ( ) :
(a) 23 – 28 (b) 30 – 40 (c) 20 – 25 (d)
66. - ?
(a) (b)
(c) (d)
67. ?
(a) 5.8 – 8.1 ./. (b) 9.1 – 18.3 ./.
(c) 18.9 – 19.5 ./. (d) 19.5 – 25.5 ./.
68. (....) ()
.. :
(a) 510 (b) 576 (c) 676 (d) 876
69. ..... () :
(a) () (b) ()
(c) ... () (d) ( )
70. ?
(a) 1 – (b) 1 –
(c) 1 – (d) 1 –
71. ?
(a) (b) (c) (d)
72. ()
?
(a) 1.5 ./. (b) 2.5 ./. (c) 3.5 ./. (d) 4.5 ./.
AGN-01 13 Series-A
Text of page 14
73. The protein efficiency ratio of pulses varies in the range
(a) 0.1 – 0.7 (b) 0.7 – 2.1 (c) 2.1 – 6.3 (d) 6.3 – 18.9
74. The process of heating and immediately cooling the milk for controlling the growth of
bacteria is known as
(a) Blending (b) Regeneration (c) Pasteurization (d) Evaporation
75. Pulses are major source of
(a) Protein (b) Carbohydrate (c) Fat (d) Vitamin
76. Bacteria may be destroyed by which of the following ?
(a) Ultra-Violet rays (b) Extreme heat
(c) Sun light (d) All of these
77. ‘Pascal’ is a unit of
(a) Displacement (b) Temperature (c) Pressure (d) Viscosity
78. Thermal coefficient of linear expansion relates to which of the following ?
(a) Solid (b) Liquid (c) Gas (d) All of these
79. Kinematic viscosity is given as
(a) viscosity in the laminar flow range (b) viscosity in the turbulent flow range
(c) viscosity divided by mass density (d) viscosity multiplied by mass density
80. Thermo couple is used to measure which of the following ?
(a) Air velocity (b) Specific heat (c) Temperature (d) Thermal conductivity
81. The instrument used for recording humidity of air is
(a) Hygrometer (b) Thermometer (c) Anemometer (d) Lux meter
82. Spiral separator separates material on the basis of
(a) Size (b) Colour (c) Shape (d) Weight
83. Which of the following processes is used to separate liquids having different boiling points ?
(a) Crystallization (b) Fractional distillation
(c) Evaporation (d) Fractional crystallization
84. Which of the following process is not useful for purification of solid impurities ?
(a) Distillation (b) Sublimation (c) Crystallization (d) All of these
85. Spherecity of the particle is defined as
(a) geometric mean diameter/major intercept
(b) equivalent mean diameter/roundness
(c) volume of the particle/weight of the particle
(d) None of these
AGN-01 14 Series-A
Text of page 15
73. ?
(a) 0.1 – 0.7 (b) 0.7 – 2.1 (c) 2.1 – 6.3 (d) 6.3 – 18.9
74. ?
(a) (b) : (c) (d)
75. ?
(a) (b) (c) () (d)
76. ?
(a) - (b) ()
(c) (d)
77. ‘’ ?
(a) (b) (c) (d)
78. () ?
(a) (b) (c) (d)
79. :
(a) (b)
(c) (d)
80. () ?
(a) (b) (c) (d)
81. ?
(a) (b) (c) (d)
82. ?
(a) (b) (c) (d)
83. - () ?
(a) (b) (c) (d)
84. ?
(a) (b) (c) (d)
85. :
(a) / (b) /
(c) / (d)
AGN-01 15 Series-A
Text of page 16
86. H.A.C.C.P. is used in which of the following ?
(a) Sterilization (b) Storage (c) Quality Control (d) Bulk Transport
87. The temperature of milk droplets in spray drying is kept as
(a) 49 – 54 ºC (b) 54 – 60 ºC (c) 60 – 65 ºC (d) 65 – 70 ºC
88. Microwave oven as dryer is an example of which of the following ?
(a) Vacuum drying (b) Dielectric drying (c) Radiation drying (d) Freeze drying
89. The capacity of thermal dryer depends upon
(a) Rate of heat transfer (b) Rate of mass transfer
(c) Rate of heat and mass transfer (d) None of these
90. In attrition mill, the size of food grain is reduced by
(a) Impact (b) Impact and shearing
(c) Impact and crushing (d) Shearing and crushing
91. Water activity can be calculated by which of the following ?
(a) ERH 100 (b) 100 ERH (c) ERH / 100 (d) None of these
92. Anemometer is used to measure which of the following ?
(a) Water flow rate (b) Air temperature (c) Pressure (d) Air flow rate
93. A point where solid, liquid and vapour phase of a substance exist is called :
(a) Critical point (b) Boiling point (c) Tripple point (d) Melting point
94. In convection drying of agricultural materials, the rate of drying is controlled by which of
the following ?
(a) Air velocity (b) Air temperature (c) Humidity (d) All of these
95. Which of the following is a reciprocating pump ?
(a) Submersible pump (b) Centrifugal pump
(c) Hand pump (d) None of these
96. In variable displacement pumps
(a) discharge is independent of head (b) discharge is directly proportional to head
(c) Both (a) and (b) (d) None of these
97. Which of the following will have the higher value ?
(a) Shaft horse power (b) Break horse power
(c) Both are equal (d) None of these
98. Pump characteristic curve gives
(a) relation between capacity, head, power & efficiency
(b) helps to select a best pump
(c) Both (a) and (b)
(d) None of these
AGN-01 16 Series-A
Text of page 17
86. ..... ?
(a) (b) (c) (d)
87. ?
(a) 49 – 54 (b) 54 – 60
(c) 60 – 65 (d) 65 – 70
88. ?
(a) (b) (c) (d)
89. ?
(a) (b)
(c) (d)
90. ?
(a) (b)
(c) (d)
91. ( ) ?
(a) ERH × 100 (b) 100 × ERH (c) ERH / 100 (d)
92. ?
(a) (b) (c) (d)
93. , :
(a) (b) (c) () (d)
94. ?
(a) (b) (c) (d)
95. ?
(a) (b) (c) (d)
96.
(a) (b)
(c) (a) (b) (d)
97. ?
(a) (b) (c) (d)
98. / ?
(a) , , (b)
(c) (a) (b) (d)
AGN-01 17 Series-A
Text of page 18
99. If the speed of the pump is changed then
(a) capacity will vary proportional to speed
(b) head will vary as square of speed
(c) the BHP will vary as cube of speed
(d) All of these
100. If the diameter of the impeller is doubled then head will become
(a) Four times (b) Two times (c) No change (d) Three times
101. Which of the following impeller is used to pump clean water ?
(a) Open impeller (b) Semi open impeller
(c) Closed impeller (d) Non-clogging impeller
102. The process of priming involves
(a) filling the water in casing to initiate pumping
(b) greasing the pump
(c) lubricating the shaft
(d) To cool down the pump
103. Cavitation occurs due to which of the following reasons ?
(a) Improper design (b) Improper installation of pump
(c) Improper operation of pump (d) All of these
104. Theoretically a centrifugal pump can lift water from a maximum depth of
(a) 8.33 m (b) 9.33 m (c) 10.33 m (d) 11.33 m
105. Which of the following pump has no working parts above the ground ?
(a) Centrifugal pump (b) Turbine pump
(c) Hand pump (d) Submersible pump
106. Which of the following can draw water from greater depth ?
(a) Centrifugal pump (b) Turbine pump
(c) Submersible pump (d) Propeller pump
107. If air is mixed with water then the specific gravity of mixture
(a) increases (b) decreases
(c) remains constant (unchanged) (d) None of these
108. In sewage pumping, what type of impeller is suitable ?
(a) Open (b) Semiclosed (c) Encased (d) Non-clogging
109. Pump fails to deliver proper water due to which of the following reasons ?
(a) Air leak in suction line (b) Gaskets are loose
(c) Both (a) and (b) (d) None of these
110. Centrifugal pump consumes too much power due to which of the following reasons ?
(a) Pump speed is too high (b) Head is lower than pump rating
(c) Both (a) and (b) (d) None of these
AGN-01 18 Series-A
Text of page 19
99.
(a) (b)
(c) (d)
100. ?
(a) (b) (c) (d)
101. ?
(a) (b) - (c) (d)
102. ?
(a) (b) /
(c) (d)
103. () ?
(a) (b) (c) (d)
104. ?
(a) 8.33 (b) 9.33 (c) 10.33 (d) 11.33
105. () ?
(a) (b)
(c) ( ) (d)
106. ?
(a) (b) (c) (d)
107.
(a) (b)
(c) (d)
108. () ?
(a) (b) (c) (d)
109. ?
(a) () (b)
(c) (a) (b) (d)
110. ?
(a) () (b) ,
(c) (a) (b) (d)
AGN-01 19 Series-A
Text of page 20
111. For better efficiency, suction lift in volute centrifugal pump should not exceed than
(a) 5.0 m (b) 6.0 m (c) 7.5 m (d) 50.0 m
112. What can be the reason for higher sound from the pump ?
(a) Cavitation (b) Wear of shaft (c) Both (a) and (b) (d) None of these
113. Jet pumps have ________ suction lift than an ordinary centrifugal pump.
(a) lower (b) higher (c) equal (d) None of these
114. The main function of foot valve is to avoid which of the following ?
(a) Frequent priming (b) Filtration
(c) Both (a) and (b) (d) None of these
115. The commonly used centrifugal pump impeller to pump brackish or salt water is made of
(a) Bronze (b) Cast iron (c) Gun-metal (d) Brass
116. One of the factors to be considered in the selection of a suitable centrifugal pumping set is :
(a) Total head of the pump (b) Total depth of the well
(c) Type of acquifer (d) Finished inside diameter of well
117. The positive displacement pumps include
(a) Axial flow and centrifugal pumps (b) Axial flow and rotary pumps
(c) Reciprocating and rotary pumps (d) Centrifugal and rotary pumps
118. One kilowatt is equal to how many horse power ?
(a) 0.746 horse power (b) 1.0 horse power
(c) 1.34 horse power (d) 1.50 horse power
119. In centrifugal pump the water or liquid enters through which of the following ?
(a) Impeller Vane (b) Eye of impeller (c) Stuffing box (d) Diffuser
120. The most suitable irrigation pump to lift water from stream or canal less than 2.5 m is
(a) Jet pump (b) Submersible pump (c) Centrifugal pump (d) Propeller pump
121. Which one is not a reason in centrifugal pump when no water is delivered by the pump ?
(a) Discharge head is too high (b) Lack of priming
(c) Suction lift is too high (d) Speed of pump is sufficient
122. Which of the following pumps is used for pumping of lubricating oil ?
(a) Centrifugal pump (b) Rotary pump
(c) Submersible pump (d) None of these
AGN-01 20 Series-A
Text of page 21
111. () :
(a) 5.0 (b) 6.0 (c) 7.5 (d) 50.0
112. ?
(a) () (b) ()
(c) (a) (b) (d)
113. () _______
(a) (b) (c) (d)
114. ?
(a) - (b)
(c) (a) (b) (d)
115. : :
(a) (b) (c) - (-) (d)
116. :
(a) (b)
(c) () (d)
117. :
(a) (b)
(c) (d)
118. ?
(a) 0.746 (b) 1.0 (c) 1.34 (d) 1.50
119. ?
(a) () (b)
(c) (d)
120. 2.5 () :
(a) (b) (c) (d) ()
121. ?
(a) (b)
(c) () (d) ()
122. ?
(a) (b) (c) (d)
AGN-01 21 Series-A
Text of page 22
123. Higher the specific speed of a pump then its
(a) discharge will be lower (b) head will be lower
(c) discharge and head both will be lower (d) None of these
124. ________ is the energy imparted to the water by pump.
(a) Friction head (b) Suction head (c) Pressure head (d) Total head
125. Which of the following can reduce the effect of water hammer ?
(a) Reflux valve (b) Surge pipe (c) Both (a) and (b) (d) None of these
126. Which of the following have higher efficiency ?
(a) Vertical turbine pump (b) Submersible pump
(c) Both (a) & (b) are equal (d) None of these
127. Mixed flow pump combine some of the features of which of the two pumps ?
(a) Vertical turbine pump and submersible pump
(b) Centrifugal pump and propeller pump
(c) Both (a) and (b) are true
(d) None of these
128. E-ductor pipe is used in which of the following ?
(a) Jet pump (b) Turbine pump (c) Submersible pump (d) Air lift pump
129. Hydraulic ram is suitable for which of the following places ?
(a) Plain lands (b) Undulated lands with mild slope
(c) Hilly areas (d) None of these
130. In an airtight grain storage insects are killed when oxygen level falls upto approximately
(a) 2% (b) 4% (c) 6% (d) None of these
131. The capacity of a cylindrical grain bin is kept as
(a) 2 – 4 tonnes (b) 10 – 40 tonnes (c) 40 – 70 tonnes (d) None of these
132. Maximum moisture content of Soya bean, for a period of one year storage on wet weight
basis, in percentage is
(a) 8% (b) 10% (c) 13% (d) 11%
133. An ideal temperature (ºC) and relative humidity (%) for storage of potato is
(a) 0, 70 – 75 (b) 0, 85 – 90 (c) 4, 85 – 90 (d) 4, 70 – 75
134. The most common air flow rate for aerating paddy is
(a) 0.07 – 0.28 m3/s/tonne (b) 0.07 – 0.28 m3/min/tonne
(c) 0.07 – 0.28 l/min/tonne (d) 0.07 – 0.28 l/s/tonne
AGN-01 22 Series-A
Text of page 23
123.
(a) () (b)
(c) (d)
124. ______
(a) (b) (c) (d)
125. ( ) ?
(a) (b) (c) (a) (b) (d)
126. ?
(a) (b)
(c) (a) (b) (d)
127. ?
(a) (b)
(c) (a) (b) (d)
128. - (E ductor) () ?
(a) (b) (c) (d)
129. ( ) ?
(a) (b)
(c) (d)
130. ?
(a) 2 () (b) 4 () (c) 6 () (d)
131. () :
(a) 2 – 4 (b) 10 – 40 (c) 40 – 70 (d)
132.
?
(a) 8% () (b) 10% () (c) 13% () (d) 11% ()
133. ( ) () :
(a) 0, 70 – 75 (b) 0, 85 – 90 (c) 4, 85 – 90 (d) 4, 70 – 75
134. ( ) :
(a) 0.07 – 0.28 // (b) 0.07 – 0.28 //
(c) 0.07 – 0.28 // (d) 0.07 – 0.28 //
AGN-01 23 Series-A
Text of page 24
135. Rankine’s earth pressure coefficient is given by which of the following relationship ?
( = angle of internal friction)
1 cos 1 sin 1 sin 1 sin
(a) (b) (c) (d)
1 sin 1 cos 1 sin 1 sin
136. A squat Silo normally should have wall height to diameter ratio as
(a) 0.5 (b) 0.5 (c) = 1.0 (d) 2.5
137. For vertical Silo, hopper slope angle necessary to achieve reliable mass flow is
(a) 30° – 40° (b) 40° – 50° (c) 50° – 60° (d) 60° – 70°
138. Which of the following is the best known natural insecticide and considered quite safe in
food grain ?
(a) Pyretherum (b) Malathion (c) Dichlorvos (d) None of these
139. Hypobaric storage is also known as
(a) CA storage (b) MA storage
(c) Low pressure storage (d) High pressure storage
140. Which standard is applied in international trade of agri-food commodities ?
(a) BIS (b) Agmark (c) Codex-Alimenta (d) None of these
141. The maximum length of chop of silage to be put in the Silo should be
(a) 2 – 4 mm (b) 6 – 12 mm (c) 12 – 18 mm (d) 18 – 24 mm
142. The diameter of Silo is generally limited to which of the following ?
(a) 3 m (b) 6 m (c) 9 m (d) 12 m
143. Active packaging began as smart packaging in
(a) 1980 (b) 1975 (c) 1985 (d) 1960
144. One tonne of refrigeration is equivalent to which of the following ?
(a) 1289 watt (b) 50 watt (c) 2108 watt (d) 3489 watt
145. Higher value of angle of internal friction indicates that the material is
(a) easy flowing product (b) more cohesive
(c) more adhesive (d) None of these
146. The shape of the perforated ducts may be
(a) circular (b) semi-circular (c) rectangular (d) All of these
147. Refrigerated storage temperature means storage below a temperature of
(a) 16 ºC (b) 25 ºC (c) –2.2 ºC (d) None of these
AGN-01 24 Series-A
Text of page 25
135. - ?
( = )
1 cos 1 sin 1 sin 1 sin
(a) (b) (c) (d)
1 sin 1 cos 1 sin 1 sin
136. (Squat) : :
(a) 0.5 (b) 0.5 (c) = 1.0 (d) 2.5
137. :
(a) 30° – 40° (b) 40° – 50° (c) 50° – 60° (d) 60° – 70°
138. ?
(a) (b) (c) (d)
139. :
(a) .. / (b) .. /
(c) / (d) /
140. ?
(a) ... (b) (c) (d)
141. ( ) :
(a) 2 – 4 .. (b) 6 – 12 .. (c) 12 – 18 .. (d) 18 – 24 ..
142. : ?
(a) 3 (b) 6 (c) 9 (d) 12
143. () , ?
(a) 1980 (b) 1975 (c) 1985 (d) 1960
144. ?
(a) 1289 (b) 50 (c) 2108 (d) 3489
145.
(a) (b)
(c) (d)
146. :
(a) (b) (c) (d)
147. () :
(a) 16 (b) 25 (c) –2.2 (d)
AGN-01 25 Series-A
Text of page 26
148. The quick freezing of food products is done by
(a) Immersion freezing (b) Indirect contact freezing
(c) Air blast freezing (d) All of these
149. Cross section of the trench silo depends upon
(a) number of days silage is fed (b) size of herd
(c) size of animals (d) All of these
150. The shelf life of food material is increased by reducing
(a) spoilage causing microorganism (b) chemical changes
(c) Bio-chemical reactions (d) All of these
151. One tonne of refrigeration is the amount of heat required to melt one ton at 0 ºC in
(a) 6 hours (b) 12 hours (c) 24 hours (d) 48 hours
152. The controlled atmosphere storage is applied to which of the following ?
(a) Low oxygen atmosphere (b) High CO2 atmosphere
(c) Burner gas (d) All of these
153. Intelligent packaging systems include which of the following components ?
(a) Sensors (b) Barcode
(c) Time-temperature indicator (d) All of these
154. Good sanitation in seed storage is necessary for protection from which of the following ?
(a) Insects and rodents (b) Yeast and molds
(c) Bacteria and Viruses (d) All of these
155. The most common fumigant for storage of cereals is
(a) Zinc phosphate (b) Ethylene dibromide
(c) Aluminium phosphide (d) DDT
156. Which of the following is not a solid fumigant ?
(a) Methyl bromide (b) Celphos
(c) Detia (d) Phostaxin
157. Design velocity for cross section of aeration duct is generally kept at
(a) 5 m/s (b) 10 m/s (c) 20 m/s (d) 30 m/s
158. Safe moisture content of mustard for storage over one year is
(a) 10% (b) 8% (c) 6% (d) 4%
159. Plant capacity required for apple cooling with total heat load of 1,44,000 kcal in 24 hours is
(a) 0.5 tonnes (b) 1.0 tonnes (c) 1.5 tonnes (d) 2.0 tonnes
AGN-01 26 Series-A
Text of page 27
148. () ?
(a) (b)
(c) (d)
149.
(a) (b)
(c) (d)
150. - ?
(a) (b)
(c) - (d)
151. (),
(a) 6 (b) 12 (c) 24 (d) 48
152. () ?
(a) (b)
(c) (d)
153. () ?
(a) (b) (c) - (d)
154. ?
(a) () (b)
(c) (d)
155. :
(a) (b) (c) (d) ...
156. () ?
(a) (b) (c) (d)
157. : :
(a) 5 / (b) 10 / (c) 20 / (d) 30 /
158. :
(a) 10% () (b) 8% () (c) 6% () (d) 4% ()
159. 24 1,44,000
:
(a) 0.5 (b) 1.0 (c) 1.5 (d) 2.0
AGN-01 27 Series-A
Text of page 28
160. Which of the following will be the value of Froude number in super critical state of flow ?
(a) less than one (b) more than one (c) equal to one (d) equal to two
161. Darcy Weisbach equation is used to find loss of head due to
(a) Temperature (b) Time of flow (c) Friction (d) None of these
162. For viscous flow, the value of coefficient of friction (f) is determined by which of the
following relationship ?
(Re = Reynolds number)
32 16 60 8
(a) f = (b) f = (c) f = (d) f =
Re Re Re Re
163. Which of the following is the square root of the ratio of Inertia force to the pressure force ?
(a) Froude number (b) Euler’s number (c) Mach’s number (d) Reynold’s number
164. A venturimeter is used to measure which of the following ?
(a) Total energy (b) Pressure (c) Flow rate (d) Piezometric head
165. Surface tension is caused by which of the following force at the free surface ?
(a) Cohesion (b) Adhesion (c) Both (a) & (b) (d) None of these
166. The curve of kinetic energy of flow has the shape of
(a) Parabola (b) Semi-circle (c) Circle (d) Rectangle
167. The hydraulic jump occurs in a channel when
(a) the bed slope changes from steep to mild.
(b) the bed slope is adverse.
(c) flow changes from sub critical to super critical.
(d) None of the above
168. Prismatic channels are those which have
(a) a constant bed slope down stream.
(b) the shape of a prism.
(c) a uniform cross section throughout.
(d) the same cross section and bed slope throughout.
169. Which of the following equation represents the Chezy’s formula ?
1 1/4 1 2/3 1/2 1 1/2
(a) C = R (b) V = C RS (c) V = R S (d) C = S
n n n
AGN-01 28 Series-A
Text of page 29
160. ?
(a) (b) (c) (d)
161. ?
(a) (b) (c) (d)
162. (f) ? (Re =
)
32 16 60 8
(a) f = (b) f = (c) f = (d) f =
Re Re Re Re
163. ?
(a) (b) (c) (d)
164. ?
(a) (b) (c) (d)
165. ?
(a) (b) (c) (a) (b) (d)
166.
(a) (b) - (c) (d)
167.
(a)
(b)
(c) -
(d)
168. ,
(a)
(b)
(c)
(d)
169. ?
1 1/4 1 2/3 1/2 1 1/2
(a) C = R (b) V = C RS (c) V = R S (d) C = S
n n n
AGN-01 29 Series-A
Text of page 30
170. In a hydraulic jump, the hydraulic energy loss is expressed as :
(Where d1 & d2 are pre and post jump depths)
(a) (d2 – d1)2 / 4d1d2 (b) (d2 – d1) / 4d1d2
(c) (d2 – d1)3 / 4d1d2 (d) None of the above
171. The boundary layer exists in which of the following ?
(a) Flow of ideal fluids (b) Flow of real fluids
(c) Flow over the surface only (d) None of the above
172. The flow in town water supply pipes is generally
(a) Laminar flow (b) Turbulent flow (c) Transition flow (d) None of these
173. The maximum velocity in a circular pipe when flow is laminar occurs at the
(a) Centre of the pipe (b) Bottom of the pipe
(c) Top of the pipe (d) None of these
174. Falling drops of rain acquire spherical shape on account of
(a) Vapour pressure (b) Viscosity
(c) Surface tension (d) None of these
175. Which of the following is the correct statement ?
(a) Absolute pressure = Gauge pressure – Atmospheric pressure
(b) Gauge pressure = Absolute pressure – Atmospheric pressure
(c) Absolute pressure = Atmospheric pressure + Vacuum pressure
(d) Gauge pressure = Atmospheric pressure + Absolute pressure
176. Navier-Stokes equation is used in the analysis of
(a) Viscous flow (b) Turbulent flow
(c) Non-viscous flow (d) Both viscous and turbulent flow
177. Conveyance of a channel section is directly proportional to –
(a) Bed slope (b) Discharge
(c) Manning’s coefficient (d) Area of cross section
178. Mach number is defined as the ratio of Inertia force to
(a) Surface tension force (b) Pressure force
(c) Elastic force (d) Gravity force
179. ML–1T–2 are the dimensions of which of the following ?
(a) Energy (b) Pressure (c) Force (d) Power
180. The discharge scale ratio for Froudian Model law is expressed as, (L r = Linear scale ratio)
5
(a) Lr (b) L2r (c) L3r (d) Lr2
__________
AGN-01 30 Series-A
Text of page 31
170. :
( d1 d2 )
(a) (d2 – d1)2 / 4d1d2 (b) (d2 – d1) / 4d1d2
(c) (d2 – d1)3 / 4d1d2 (d)
171. ?
(a) (b)
(c) (d)
172. : :
(a) (b) (c) (d)
173. :
(a) (b) (c) (d)
174. ?
(a) (b) (c) (d)
175. ?
(a) = –
(b) = –
(c) = +
(d) = +
176. ?
(a) (b)
(c) (d)
177. :
(a) (b)
(c) (d)
178. ?
(a) (b) (c) (d)
179. ML–1 T–2 ?
(a) (b) (c) (d)
180. :
(Lr = )
5
(a) Lr (b) L2r (c) L3r (d) Lr2
__________
AGN-01 31 Series-A
Text of page 32
Space For Rough Work / AGN-01 32 Series-A
Official key not published for this paper.
Page 1 of 32
Source: Uttarakhand Public Service Commission. Question paper published by Uttarakhand Public Service Commission.