UKPSC AE 2022: Uttarakhand Combined State Engineering Service Examination, AGRICULTURE ENGINEERING (PAPER I)
Text of page 2
1. Correct sequence of preservation of timber – (in the increasing order of their effectiveness)
1. Pressure application 2. Brush application
3. Dipping 4. Open tank
(a) 1, 3, 4, 2 (b) 3, 4, 2, 1 (c) 2, 3, 4, 1 (d) 4, 2, 1, 3
2. Plane table survey requires
1. Drawing board 2. Alidade
3. Plumb bob 4. Sprit level
(a) 1 only (b) 1, 2, 4 (c) 1, 2, 3, 4 (d) 1, 2, 3
3. The temperature range for Ultra High Temperature (UHT) pasteurization
(a) 155 – 170 C (b) 135 – 150 C (c) 115 – 130 C (d) 95 – 110 C
4. If the RPM of the pump is increased by 50%, the required BHP will increase by
(a) 50 % (b) 1.75 times (c) 2.25 times (d) 3.38 times
5. Grains at ______ moisture content would not allow the growth of bacteria and spoil it.
(a) 4 – 6 % (b) 6 – 8 % (c) 8 – 10 % (d) 10 – 12 %
6. Irrotational flow is such that
(a) velocity may not be zero.
(b) 2-Dimensional flow in X-Z plane in the presence of gravitational forces
(c) circulation is zero
(d) the particles cannot go in circular motion
7. The bricks which are extensively used for basic refractories in furnaces are
(a) Chrome bricks (b) Sillimanite bricks
(c) Magnesite bricks (d) Fosterite bricks
8. Staff reading taken on a point of known elevation
(a) Fore sight (b) Back sight
(c) Intermediate sight (d) Turning point
9. Machine used for dehusking of pulses is
(a) Rubber roll dehusker (b) Emery-roll deshusker
(c) Centrifugal dehusker (d) Under runner disc sheller
10. As compared to volute centrifugal pumps, jet pumps are _____ in efficiency.
(a) equal (b) high (c) low (d) None of these
11. In which region of India, Kothar type structures are used ?
(a) Southern region (b) Western region
(c) Northern region (d) Eastern region
12. The integral momentum equation assumes that
(a) the flow is uniform. (b) the fluid is incompressible.
(c) the flow is steady. (d) the flow is unidirectional.
13. Columns may be made of plain concrete if their unsupported lengths do not exceed their
least lateral dimensions
(a) Two times (b) Three times (c) Four times (d) Five times
Series-A 2 CES-10
Text of page 3
1. ( )
1. 2. 3. 4.
(a) 1, 3, 4, 2 (b) 3, 4, 2, 1 (c) 2, 3, 4, 1 (d) 4, 2, 1, 3
2. ?
1. 2. 3. 4.
(a) 1 (b) 1, 2, 4 (c) 1, 2, 3, 4 (d) 1, 2, 3
3. ( )
(a) 155 – 170 (b) 135 – 150
(c) 115 – 130 (d) 95 – 110
4. RPM 50% ?
(a) 50% (b) 1.75 (c) 2.25 (d) 3.38
5. : ______
(a) 4 – 6% (b) 6 – 8% (c) 8 – 10% (d) 10 – 12%
6.
(a)
(b) X-Z 2-
(c)
(d)
7.
(a) (b) (c) (d)
8.
(a) (b) (c) (d)
9.
(a) (b)
(c) (d)
10. , _____
(a) (b) (c) (d)
11. ?
(a) (b) (c) (d)
12.
(a) (b)
(c) (d)
13.
(a) (b) (c) (d)
CES-10 3 Series-A
Text of page 4
14. Select the correct answer.
(a) Back Bearing = Fore Bearing + 180 (b) Back Bearing = Fore Bearing – 180
(c) Back Bearing = Fore Bearing 180 (d) None of these
15. The type of separator recommended for separating mustard from wheat is
(a) Specific gravity separator (b) Spiral separator
(c) Indent cylinder separator (d) None of these
16. When the speed of centrifugal pump is changed, the performance of pump is changed as
1. The capacity varies inversely as speed.
2. The head varies as square of the speed.
3. The BHP varies as cube of the speed.
(a) Only 1 is true (b) 2 & 3 are true (c) 1 & 2 are true (d) 1, 2 & 3 are true
17. The particle density of agricultural produce is 1.95 g/cc. The porosity of produce is 36%.
The bulk density of produce will be –
(a) 1.00 g/cc (b) 1.25 g/cc (c) 1.50 g/cc (d) 1.75 g/cc
18. Which of the following assumptions are made for deriving Bernoulli’s equation ?
(a) Steady flow (b) Unsteady flow (c) Both (a) & (b) (d) None of these
19. To mix the concrete in a mixer machine, the optimum number of revolutions required
(a) 10 (b) 20 (c) 50 (d) 100
20. Hand level is used for
(a) measuring height of a tree (b) measuring slope of the land
(c) measuring length of the slope (d) making contour lines over land surface
21. Rotary screens are commonly used for
(a) cleaning of grains (b) cleaning of fruits
(c) grading of grains (d) removal of stones
22. The suction lift of the horizontal centrifugal pump should normally be between
(a) 2 to 4 m (b) 3 to 5 m (c) 7.5 to 10 m (d) 4.5 to 6.0 m
23. In some part of India, pit storage method is used for which crop ?
(a) Lady’s finger (b) Potato (c) Tomato (d) None of these
24. In the International Standard atmosphere
(a) pressure stays constant with altitude
(b) the lapse rate varies linearly with altitude
(c) the rate of drop of pressure is over five times the rate of temperature with the altitude.
(d) None of these
25. In brick or stone masonry lining, the cement-sand mortrar commonly used should normally
have a ratio of
(a) 1 : 1 (b) 1 : 2 (c) 1 : 4 (d) 1 : 6
26. In land levelling operations, the volume of _______ is greater than the volume of ______.
(a) cut, fill (b) fill, cut (c) fill, drop (d) remove, fill
Series-A 4 CES-10
Text of page 5
14. :
(a) = + 180 (b) = – 180
(c) = 180 (d)
15. :
(a) (b)
(c) (d)
16. :
1.
2.
3. BHP
(a) 1 (b) 2 3 (c) 1 2 (d) 1, 2 3
17. 1.95 / 36%
(a) 1.00 / (b) 1.25 / (c) 1.50 / (d) 1.75 /
18. ?
(a) (b) (c) (a) (b) (d)
19. (revolutions)
(a) 10 (b) 20 (c) 50 (d) 100
20. ?
(a) (b)
(c) (d)
21. ( )
(a) (b)
(c) (d) /
22.
(a) 2 4 m (b) 3 5 m
(c) 7.5 10 m (d) 4.5 6.0 m
23. - ?
(a) (b) (c) (d)
24.
(a)
(b)
(c)
(d)
25. - : ?
(a) 1:1 (b) 1:2 (c) 1:4 (d) 1:6
26. _______ , ______
(a) , (b) , (c) , (d) ,
CES-10 5 Series-A
Text of page 6
27. Thermal Processing of food, used for destruction of all microorganisms is known as
(a) Sterilization (b) Pasteurization (c) Both (a) & (b) (d) None of these
28. The main purpose of the foot valve in a pump is to _____
(a) to prevent any foreign material from entering to the suction pipe.
(b) to hold suction pipe.
(c) retain primed water so as to avoid priming every time.
(d) (a) & (c)
29. Oil seeds, namely soybean and groundnuts etc. require moisture content below _____
percent for storage upto 12 months.
(a) 4 – 6 (b) 8 – 10 (c) 10 – 12 (d) 12 – 14
30. Weirs used to measure comparatively large discharges and whose crest is horizontal and
sides are perpendicular are called
(a) Parshall flumes (b) V notch weirs
(c) Rectangular weirs (d) None of these
31. Water absorption of a first class brick should be _______ percent of its dry weight.
(a) 12 – 15 (b) 10 – 12 (c) 8 – 10 (d) 15 – 17
32. If the contour lines are seen very near to each other, it denotes _______ slope.
(a) level land (b) lower land slope
(c) higher land slope (d) none of these
33. Modern method of Paddy parboiling in India is done by
(a) Boiling in open (b) CFTRI method
(c) both (a) & (b) (d) None of these
34. Deep well turbine pump is also called as a
(a) Diffusion pump (b) Deep pump
(c) Volute pump (d) Vertical pump
35. One tone of refrigeration is equivalent to
(a) 210 kJ/min (b) 50 k Cal/min (c) Both (a) & (b) (d) None of these
36. Flow measuring device having the advantages of weir and submerged orifice are called
(a) rectangular weir (b) submerged orifice
(c) Both (a) & (b) (d) parshall flume
37. Each bag full of cement weighs about 50 kg and its volume is about
(a) 0.35 m3 (b) 0.035 m3 (c) 0.50 m3 (d) 1.0 m3
38. The sum of elevations of 20 stations of a field is 220 m. The elevation of centroid will be
______ m.
(a) 10.5 (b) 11.0 (c) 11.5 (d) 12.0
39. During juice-canning, pasteurization is done at the temperature
(a) 71 C (b) 74 C (c) 77 C (d) 81 C
40. In a centrifugal pumping system, the foot valve
(a) pumps water into pump (b) retains water in the pump and suction pump
(c) provide over flow passage (d) None of these
Series-A 6 CES-10
Text of page 7
27.
(a) / (b)
(c) (a) (b) (d)
28.
(a) ( )
(b)
(c) -
(d) (a) (c)
29. 12 , _____
(a) 4–6 (b) 8 – 10 (c) 10 – 12 (d) 12 – 14
30. ()
,
(a) (b) (c) (d)
31. : _______
(a) 12 – 15 (b) 10 – 12 (c) 8 – 10 (d) 15 – 17
32. ( ) _______
(a) (b) (c) (d)
33. (Parboiling) :
(a) (b) CFTRI (c) (a) (b) (d)
34.
(a) (b) (c) (d)
35.
(a) 210 (b) 50
(c) (a) (b) (d)
36. () ,
(a) (b) (c) (a) (b) (d)
37. , 50 ,
(a) 0.35 3 (b) 0.035 3 (c) 0.50 3 (d) 1.0 3
38. 20 220 m ____ m
(a) 10.5 (b) 11.0 (c) 11.5 (d) 12.0
39. () , ______
(a) 71 (b) 74
(c) 77 (d) 81
40.
(a) (b)
(c) (d)
CES-10 7 Series-A
Text of page 8
41. Hermatic containers are ______
(a) Cans (b) Bottles
(c) Flexible packages (d) Both (a) & (b)
42. The discharge through an orifice is calculated by the formula where
Q – discharge lps
a – cross-sectional area of orifice cm2
g – acceleration due to gravity 981 cm/sec2
h – depth of water over the centre of the orifice, cm
(a) Q = 0.50 10–2 a 2gh (b) Q = 0.56 10–3 a 2gh
(c) Q = 0.61 10–3 a 2gh (d) None of these
43. When the crust length is less than the width of the approach section of up-stream channel,
the weir is called
(a) Broad crested weirs (b) Suppressed weirs
(c) Contracted weirs (d) Both (b) and (c)
44. Discharge from a siphon tube can be estimated using formula, in which
Q = discharge, lps
a = Cross-sectional area, cm2
g = acceleration due to gravity 981 cm/sec2
h – effective head causing flow, cm.
(a) Q = 0.56 10–2 a 2gh (b) Q = 0.65 10–3 a 2gh
(c) Q = 0.36 10–3 a 2gh (d) None of these
45. The viscosity of a fluid is primarily a function of
(a) Pressure (b) Temperature (c) Both (a) & (b) (d) None of these
46. Continuity equation is applicable for the following :
(a) Steady & unsteady flow
(b) Uniform and non-uniform flow
(c) Compressible and incompressible fluids
(d) All of these
47. If the fluid characteristics at any given time remain the same at different points in the
direction of flow, the flow is known as
(a) uniform flow (b) non-uniform flow
(c) steady flow (d) unsteady flow
48. If the ratios of the corresponding length dimensions between the model and the prototype
are same, then it will be
(a) Geometric similarity (b) Kinematic similarity
(c) Dynamic similarity (d) None of these
49. In which type of flows, velocity potential exists ?
(a) Rotational flow (b) Irrotational flow
(c) Both (a) & (b) (d) None of these
50. Stream function has been defined for a
(a) one dimensional case (b) two dimensional case
(c) three dimensional case (d) None of these
Series-A 8 CES-10
Text of page 9
41. –
(a) (b) (c) (d) (a) (b)
42. ()
Q – l/s
a – - cm2
g – 981 cm/sec2
h – , cm
(a) Q = 0.50 10–2 a 2gh (b) Q = 0.56 10–3 a 2gh
(c) Q = 0.61 10–3 a 2gh (d)
43. ,
(a) (b)
(c) (d) (b) (c)
44. ()
Q =
a = - ()2
g = 981 /2
h – ,
(a) Q = 0.56 10–2 a 2gh (b) Q = 0.65 10–3 a 2gh
(c) Q = 0.36 10–3 a 2gh (d)
45. :
(a) () (b) (c) (a) (b) (d)
46. / :
(a)
(b) (Uniform) (non-uniform)
(c)
(d)
47. , , ,
(a) (b) (c) (d)
48. ,
(a) (b)
(c) (d)
49. ?
(a) (b) (c) (a) (b) (d)
50. (Stream function) _______
(a) (b)
(c) (d)
CES-10 9 Series-A
Text of page 10
51. When two flows are geometrically, kinematically and dynamically similar, then they are
said to be
(a) dynamically similar (b) non-similar
(c) partially similar (d) completely similar
52. Most common water meters available for installation in pipe lines
(a) Propeller type water meter (b) Indicator type water meter
(c) Both (a) & (b) (d) None of these
53. What is the cross-section of flow in a channel if
Width of a channel is 2.5 m
Depth of flow is 0.8 m
Slope of channel is 0.26 ?
(a) 0.25 m2 (b) 0.80 m2 (c) 1.50 m2 (d) 2.0 m2
54. The equation
R2/3 S1/2
V=
n
is known as
(a) Chezy’s formula (b) Equation of continuity
(c) Manning’s formula (d) None of these
55. What is the function of air vent in a pipe line ?
(a) To take out water from the pipe line (b) To fill the water in the pipe line
(c) To balance the pipe line (d) To release entrapped air
56. Basic formula for calculating discharge through a weir is
Q = CLHm
Where Q = Discharge
C = Coefficient
L = Length of crest
Where H is
(a) Density of water (b) Length of stream
(c) Depth of water flowing over weir (d) None of these
57. Bernoulli’s theorem is the application of law of conservation of
(a) Mass (b) Energy to fluid flow
(c) Both (a) & (b) (d) None of these
58. V-notch weir is normally used to measure discharge from ______ and ______ streams.
(a) large, medium (b) small, large
(c) medium, large (d) small, medium
59. Venturimeter is used for measurement of
(a) velocity at a point (b) average velocity
(c) discharge (d) None of these
60. When fluid is flowing through a pipe, the velocity of flow over the cross-section is
(a) uniform (b) non-uniform
(c) slower towards the side of passage (d) Both (b) & (c)
Series-A 10 CES-10
Text of page 11
51. , , –
(a) (b) (c) (d) :
52. –
(a) (b)
(c) (a) (b) (d)
53. - ?
= 2.5 m
= 0.8 m
= 0.26
(a) 0.25 (b) 0.80 (c) 1.50 (d) 2.0
54. ?
R2/3 S1/2
V=
n
(a) (b) (c) (d)
55. ?
(a) (b)
(c) (d)
56.
Q = CLHm
Q =
C =
L =
H –
(a) (b)
(c) (d)
57. ?
(a) (b)
(c) (a) (b) (d)
58. V- : ______ ______
(a) , (b) , (c) , (d) ,
59. :
(a) (b) (c) () (d)
60. , -
(a) (b)
(c) (d) (b) (c)
CES-10 11 Series-A
Text of page 12
61. The normally adopted norm for longitudinal slope of an irrigation channel is
(a) 0.1 % (b) 0.6 % (c) 0.3 % (d) 0.4 %
62. Curing of concrete is done by
(a) Spraying method (b) Covering with moist cloth
(c) Covering with wet sand (d) All of these
63. Sand which is smaller than 2 mm is generally known as
(a) Fine aggregate (b) Large aggregate
(c) Both (a) & (b) (d) None of these
64. A common ratio of cement to sand in mortrar is
(a) 1 : 2 (b) 1 : 3 (c) 1 : 4 (d) 1 : 5
65. For floors and foundations, the preferred size of coarse aggregate is
(a) 4 cm (b) 5 cm (c) 6 cm (d) 7 cm
66. Which is the strongest concrete mix (cement, sand & gravel) ?
(a) 1 : 5 : 10 (b) 1 : 4 : 8 (c) 1 : 3 : 6 (d) 1 : 2 : 4
67. The compressive strength of burnt clay bricks as per IS 1077 is
(a) 100 kg/cm2 (b) 150 kg/cm2
(c) 100 – 150 kg/cm2 (d) 35 – 350 kg/cm2
68. Tag line of ‘SWACH BHARAT MISSION’ is
(a) Sabka Kadam Swachhata ki ore (b) Ek Kadam Swachhata ki ore
(c) Har ek Kadam Swachhata ki ore (d) None of these
69. The water absorption limit of heavy duty burnt bricks after 24 hrs. of immersion is not
more than
(a) 10 % (b) 15 % (c) 25 % (d) None of these
70. What are the normal grade of Portland cement ?
(a) 13, 23, 33 (b) 23, 33, 43 (c) 43, 53, 63 (d) 33, 43, 53
71. The upper limit of suspended particles in water for the preparation of concrete is _____
ppm.
(a) 200 (b) 2000 (c) 5000 (d) 7000
72. Which are the common mix proportions of cement concrete ?
(a) m10, m15, m30, m45 (b) m15, m20, m25, m30
(c) m10, m15, m20, m25 (d) m10, m25, m35, m45
73. The strength of hardened concrete is reduced by 30 % if ___ percent voids are left in the mix.
(a) 3 (b) 5 (c) 7 (d) 8
74. Which of the following mortrar is most suitable for construction work in water-logged areas ?
(a) Lime Mortrar (b) Gauged Mortrar (c) Cement Mortrar (d) Mud Mortrar
75. To make one cubic meter of 1 : 2 : 4 by volume concrete, the volume of coarse aggregate
required is
(a) 0.94 m3 (b) 0.85 m3 (c) 0.75 m3 (d) 0.65 m3
76. Enlarged head of supporting column of a flat slab is technically known as _____
(a) Top of the column (b) Drop panel
(c) Capital (d) None of these
Series-A 12 CES-10
Text of page 13
61. –
(a) 0.1 % (b) 0.6 % (c) 0.3 % (d) 0.4 %
62. –
(a) (b)
(c) (d)
63. 2 :
(a) (b) (c) (a) (b) (d)
64.
(a) 1:2 (b) 1:3 (c) 1:4 (d) 1:5
65. –
(a) 4 (b) 5 (c) 6 (d) 7
66. (, ) ?
(a) 1 : 5 : 10 (b) 1:4:8 (c) 1:3:6 (d) 1:2:4
67. 1077
(a) 100 /2 (b) 150 /2
(c) 100 – 150 /2 (d) 35 – 350 /2
68. ‘ ’
(a) (b)
(c) (d)
69. 24
(a) 10 % (b) 15 % (c) 25 % (d)
70. ?
(a) 13, 23, 33 (b) 23, 33, 43 (c) 43, 53, 63 (d) 33, 43, 53
71. _____
(a) 200 (b) 2000 (c) 5000 (d) 7000
72. - - ?
(a) m10, m15, m30, m45 (b) m15, m20, m25, m30
(c) m10, m15, m20, m25 (d) m10, m25, m35, m45
73. 30 , _____
(a) 3 (b) 5 (c) 7 (d) 8
74. () ?
(a) (b) (c) (d) -
75. 1 : 2 : 4
(a) 0.94 (b) 0.85 (c) 0.75 (d) 0.65
76. –
(a) (b) (c) (d)
CES-10 13 Series-A
Text of page 14
77. The grade of concrete mix generally used in slabs and beams is _____
(a) 1 : 5 : 10 (b) 1 : 4 : 8 (c) 1 : 3 : 6 (d) 1:2:4
78. Curing of cement-concrete structure should be normally done at least for _____ days.
(a) 4 (b) 7 (c) 20 (d) 27
W
79. w=
P
In the above equation for computation of width of the foundation (w), W is the dead load
over the foundation and P is ______
(a) density of water (b) density of the super structure
(c) water level below the ground (d) bearing capacity of the soil
80. The average capacity in cubic meter of a septic tank should not be less than
(a) 2.01 (b) 2.03 (c) 2.10 (d) 2.50
81. When broken brick coarse aggregates are immersed in water for 24 minutes, water
adsorption of broken brick coarse aggregates should not increase more than _____ percent
of its weight.
(a) 15 (b) 20 (c) 25 (d) 30
82. What is the minimum measurement taken by levelling staff ?
(a) 5 mm (b) 10 mm (c) 15 mm (d) 20 mm
83. Abney level can be used for
(a) measuring land slope (b) measuring height of tree
(c) marking contour line (d) All of these
84. Plumb bob is used for
(a) marking perpendicular line
(b) locating points directly below or above another point
(c) marking straight line
(d) demarcating triangle
85. Cross-staff has _____ sides.
(a) 1 (b) 3 (c) 4 (d) None of these
86. When two centrifugal pumps are operated in series, the discharge
(a) remain constant (b) increases
(c) decreases (d) None of these
87. Oblique offset is known as
(a) lateral measurement perpendicular to chain line.
(b) lateral measurement at an angle other than 90 to chain line.
(c) Both (a) & (b)
(d) None of these
88. The functions of a theodolite are to measure the following quantities –
(a) The horizontal angle (b) The vertical angle
(c) The horizontal distance (d) All of these
89. Open traverse is suitable in surveying of
(a) ponds (b) rivers (c) estates (d) None of these
90. Plane table survey is particularly suitable for preparation of
(a) all types of maps (b) small scale maps
(c) large scale maps (d) None of these
Series-A 14 CES-10
Text of page 15
77. () : –
(a) 1 : 5 : 10 (b) 1:4:8 (c) 1:3:6 (d) 1:2:4
78. - (structure) _____
(a) 4 (b) 7 (c) 20 (d) 27
W
79. w=
P
(w) , W P
______
(a) (b)
(c) (d)
80. :
(a) 2.01 (b) 2.03 (c) 2.10 (d) 2.50
81. 24
_____
(a) 15 (b) 20 (c) 25 (d) 30
82. ?
(a) 5 (b) 10 (c) 15 (d) 20
83. ?
(a) (b)
(c) (d)
84.
(a) (b)
(c) (d)
85. _____
(a) 1 (b) 3 (c) 4 (d)
86. ()
(a) (b) (c) (d)
87.
(a) (b) 90
(c) (a) (b) (d)
88. :
(a) (b) (c) (d)
89. :
(a) (b) (c) (d)
90. - :
(a) (b)
(c) (d)
CES-10 15 Series-A
Text of page 16
91. The earth work from a field of one hectare with a soil cut of the depth of 7.5 mm is equal
to _____ m3.
(a) 750 (b) 0.75 (c) 75 (d) 7.5
92. The operation of levelling across a river is termed as
(a) plane table levelling (b) reciprocal levelling
(c) check levelling (d) None of these
93. The line joining points of equal elevation is known as
(a) horizontal line (b) level line
(c) vertical line (d) contour line
94. Instrument used for the computation of irregular area is known as
(a) Planimeter (b) Speedometer (c) Pentagraph (d) None of these
95. The operation of levelling to determine the elevation between two points is known as
(a) cross levelling (b) fly levelling
(c) check levelling (d) differential levelling
96. A cross staff is used for setting
(a) 60 angle (b) right angle (c) 120 angle (d) None of these
97. A-frame is commonly used in _____.
(a) contour line demarcation over the land surface
(b) earth work computation
(c) chain surveying
(d) theodolite surveying
98. Compass survey is based on
(a) traversing (b) triangulation (c) parallelism (d) None of these
99. A closed contour line with one or more higher values inside represents
(a) valley (b) ridge (c) hill (d) None of these
100. Method for calculating capacity of the reservoir
(a) Prismoidal Rule (b) Traphazoidal Rule
(c) End-Area Method (d) Both (a) & (b)
101. In case of direct method of chaining the uneven slope, steeper the slope, _____ will be the
interval.
(a) higher (b) lesser (c) uneven (d) None of these
102. A cylindrical silo of 3.0 m diameter and 20 m in height is filled with wheat. The hydraulic
radius of silo is
(a) 0.75 m (b) 1.50 m (c) 0.15 m (d) 60 m
103. For an air flow rate of 2 m3/min, the linear air velocity (m/s) in the intergranular space in
circular storage bin having 2 m diameter and 0.4 void fraction is
(a) 1.59 (b) 1.06 (c) 0.0256 (d) 0.0177
104. A bin whose relative dimensions are such that the plane of rupture meets the grain surface
before it strikes the opposite side is called –
(a) Deep bin (b) Shallow bin (c) Silo (d) None of these
105. Hypobaric storage is also known as
(a) CA storage (b) NA storage
(c) Low pressure storage (d) Cold storage
Series-A 16 CES-10
Text of page 17
91. 75 _____
(a) 750 (b) 0.75 (c) 75 (d) 7.5
92.
(a) (b)
(c) (d)
93. –
(a) (b) ( )
(c) (d)
94. :
(a) (b) (c) (d)
95.
(a) (b) (c) (d)
96. :
(a) 60 (b) (c) 120 (d)
97. A- : _____
(a) (b)
(c) (d)
98. () :
(a) (b) (c) (d)
99.
(a) (b) (c) () (d)
100. –
(a) (b) (c) - (d) (a) (b)
101. , , _____
(a) (b) (c) (d)
102. 3.0 20
(a) 0.75 m (b) 1.50 m (c) 0.15 m (d) 60 m
103. 2 m /min 2 0.4 (circular)
3
(m/s) –
(a) 1.59 (b) 1.06 (c) 0.0256 (d) 0.0177
104. ,
,
(a) (b) (c) (d)
105. :
(a) (b)
(c) (d)
CES-10 17 Series-A
Text of page 18
106. The moisture commonly removed in drying is
(a) Total moisture (b) Bound moisture
(c) Free moisture (d) Critical moisture
107. Moisture content of 20% (Wb) will be equal to _____ (db)
(a) 33.33% (b) 25% (c) 16.67% (d) None of these
108. One ton of refrigeration is the amount of heat required to melt 1 ton of ice at 0 C in
(a) 1 hour (b) 6 hours (c) 12 hours (d) 24 hours
109. The most common fumigant for storage of cereals is
(a) Zinc phosphate (b) Aluminium phosphide
(c) Ethylene dibromide (d) D.D.T.
110. The maximum duct velocity suitable for cooling of dry grain by aeration in storage is
(a) 5 m/sec (b) 10 m/sec (c) 15 m/sec (d) 20 m/sec
111. Maximum moisture content (in % wet basis) of wheat for a period of one year storage is
(a) 21 (b) 17 (c) 13 (d) 9
112. In an air tight grain storage, insects are killed when the oxygen level falls to about
(a) 15 percent (b) 6 percent (c) 4 percent (d) 2 percent
113. To prevent spoilage, silage should be removed at the rate of
(a) 5 cm/day (b) 10 cm/day (c) 15 cm/day (d) 20 cm/day
114. _______ is a farm structure used to store and protect the animal fodder for its preservation
in an ideal condition.
(a) Bin (b) Bukhari (c) Silo (d) None of these
115. Capacity of Bukhari type storage structure is about
(a) 80-90 tonnes (b) 50-70 tonnes (c) 25-40 tonnes (d) 3.5-18 tonnes
116. Bukhari type structures are generally used for storage of
(a) vegetables (b) water (c) grain (d) fodder
117. In general, the storage requirements of potato in India are
(a) 4 – 5 C temperature and 85-90 % Rh (Relative humidity)
(b) 10 – 11 C temperature and 10 % Rh (Relative humidity)
(c) 15 C temperature and 50 % Rh (Relative humidity)
(d) None of these
118. The moisture migration in stored grains results from
(a) temperature changes (b) pressure changes
(c) changes in hydraulic conductivity (d) None of these
Series-A 18 CES-10
Text of page 19
106.
(a) (b) (c) (d)
107. 20% ( ) _____ ( )
(a) 33.33% (b) 25% (c) 16.67% (d)
108. , 1 ______
(a) 1 (b) 6 (c) 12 (d) 24
109.
(a) (b)
(c) (d) ...
110. –
(a) 5 (b) 10
(c) 15 (d) 20
111. ( (wet basis)
(a) 21 (b) 17 (c) 13 (d) 9
112. , _______
(a) 15 (b) 6 (c) 4 (d) 2
113. , –
(a) 5 (b) 10
(c) 15 (d) 20
114. _______
(a) (b) (c) (d)
115. –
(a) 80-90 (b) 50-70 (c) 25-40 (d) 3.5-18
116. ______
(a) (b) (c) (d)
117. –
(a) 4 5 85-90
(b) 10 11 10
(c) 15 50
(d)
118.
(a) (b)
(c) (d)
CES-10 19 Series-A
Text of page 20
119. The process of moving air at a flow rate through stored grain to maintain its quality is
known as
(a) respiration (b) curing (c) aeration (d) None of these
120. Sprouting of potato at 10 C can be prevented by application of
(a) Ethylene (b) Natural gas (c) Oxygen (d) Carbon dioxide
121. The storage of food grains at national level is looked after by _____
(a) Food Corporation of India (b) Central Warehousing Corporation
(c) State Warehousing Corporation (d) All of these
122. Rankine’s formula is used to measure pressure of
(a) Grains pressure on each other
(b) Induced by granular matter against the retaining wall
(c) Both (a) & (b)
(d) None of these
123. Reciprocating pump develop
(a) High head with low discharge capacity
(b) Low head with high discharge capacity
(c) Constant head with low discharge capacity
(d) Constant head with high discharge capacity
124. The removal of air by filling the pump with water is called as
(a) Deaerating (b) Sterilizing (c) Priming (d) All of these
125. Hydraulic Ram is specially suitable for hilly areas, where
(a) Water is at shallow depth (b) Considerable slope in rivers
(c) Considerable slope in streams (d) both (c) and (b)
126. Propeller pump is suitable for
(a) low discharge, low head (b) low discharge, high head
(c) high discharge, low head (d) high discharge, high head
127. A suitable pump for drainage pumping is
(a) Submersible pump (b) Propeller pump
(c) Mixed flow pump (d) both (b) and (c)
128. Which of the following is not a part of a centrifugal pump ?
(a) Rotar (b) Casing (c) Compressor (d) Impeller
129. A 50 HP pump has power equal to
(a) 3.73 kW (b) 37.3 kW (c) 373 kW (d) 5 kW
130. Specific speed of a pump is given by
nQ1/2 nQ n1/2Q nQ1/2
(a) ns = 3/4 (b) ns = 3/4 (c) ns = (d) ns =
H H H3/4 H2/3
131. The casing of a impeller wheel in a centrifugal pump is called
(a) Volute (b) Housing (c) Cylinder (d) None of these
Series-A 20 CES-10
Text of page 21
119.
(a) (b) (Curing) (c) (Aeration) (d)
120. 10 :
(a) (b) (c) (d) -
121. , _____
(a) (b)
(c) (d)
122. ?
(a) (b)
(c) (a) (b) (d)
123.
(a) , (b) ,
(c) , (d) ,
124. –
(a) - (b) (c) (d)
125. () –
(a) (b)
(c) (d) (c) (b)
126. –
(a) , (b) ,
(c) , (d) ,
127. -
(a) (b) (c) (d) (b) (c)
128. ?
(a) (b) (c) (d)
129. 50 (HP) ______
(a) 3.73 (b) 37. 3 (c) 373 (d) 5
130. ?
nQ1/2 nQ n1/2Q nQ1/2
(a) ns = (b) ns = (c) ns = (d) ns =
H3/4 H3/4 H3/4 H2/3
131. ()
(a) (b) (c) (d)
CES-10 21 Series-A
Text of page 22
132. The brake horse power of a centrifugal pump varies directly
(a) as the square root of speed of impeller
(b) as the speed of impeller
(c) as the square of the speed of impeller
(d) as the cube of the speed of impeller
133. Reciprocating pump compared to other pumps develops
(a) High heads (b) Low capacity (c) both (a) & (b) (d) None of these
134. The reflex valve is fitted on the
(a) suction side of pump (b) delivery side of pump
(c) at the bottom of pipe (d) None of these
135. For the normal design the wave angle of the pump impeller varies from
(a) 1.5 to 16.5 (b) 17.5 to 27.5 (c) 27.5 to 37.5 (d) 37.5 to 47.5
136. Nozzle and Venturi are the main components of
(a) Centrifugal pump (b) Submersible pump
(c) Propeller pump (d) Jet pump
137. Normally the foot valve is placed ______ m below the expected pumping water level in a
open well
(a) 1.2 (b) 1.5 (c) 0.75 (d) None of these
138. Air lift pumps generally consists of an air compressor of single stage type for pressure
below _____ kg per sq. cm.
(a) 2 (b) 4 (c) 6 (d) 8
139. Turbine pump when close-coupled to a _____ is known as a submersible pump.
(a) Electric motor (b) Electric pump
(c) Submerged electric motor (d) None of these
140. The pump operating on the principle of difference in specific weights in the water column
of the wells is known as _____
(a) Hydraulic Ram (b) Centrifugal pumps
(c) Air lift pumps (d) Jet pumps
141. Which of the following is not a type of impeller of a centrifugal pump ?
(a) High speed (b) Open (c) Closed (d) Semi-open
142. For same speed and head, a higher specific speed pump will deliver a _____
(a) lower capacity (b) higher Capacity
(c) capacity remains same (d) None of these
143. In the installation of a centrifugal pumping set, the horizontal space between the foot valve
of a centrifugal pump and the sides of an open well is about
(a) 1 m (b) 1.5 m (c) 2.0 m (d) 3.0 m
144. Separation of broken grains on the basis of length can be done by using
(a) Indented cylinder (b) Scalper
(c) Debearder (d) Spiral separator
Series-A 22 CES-10
Text of page 23
132.
(a) (b)
(c) (d)
133.
(a) (b) (c) (a) (b) (d)
134.
(a) (b) ()
(c) (d)
135. (impeller) :
(a) 1.5 16.5 (b) 17.5 27.5 (c) 27.5 37.5 (d) 37.5 47.5
136. ?
(a) (b) (c) (d)
137. : ( ) ______
(a) 1.2 (b) 1.5 (c) 0.75 (d)
138. : _____ / . ,
( )
(a) 2 (b) 4 (c) 6 (d) 8
139. _____
(a) (b)
(c) (d)
140. _____
(a) (b) (c) (d)
141. ?
(a) (b) (c) (d)
142. ,
(a) (b)
(c) (d)
143.
?
(a) 1 m (b) 1.5 m (c) 2.0 m (d) 3.0 m
144. ?
(a) (b) (c) (d)
CES-10 23 Series-A
Text of page 24
145. Sublimation is associated with
(a) Vacuum-drying (b) Spray-drying
(c) Flash-drying (d) Freeze-drying
146. Constant rate of drying is directly proportional to
(a) Convective heat transfer coefficient (b) Latent heat of vaporization
(c) Wet bulb temperature (d) None of these
147. 650 g of wet food containing 405 g of water is dried in a tray dryer to a final moisture
content of 6.8 % (dry basis). It is observed that drying process occurs under constant rate
and takes 8 hours. The rate of drying in kg/hr is
(a) 128.79 (b) 126.35 (c) 77.81 (d) 0.0451
148. Typical temperature for a range of food processing operations are indicated below. Which
of the following is mismatched range ?
(a) Spray drying 200 – 250 C (b) Extrusion cooking 140 – 180 C
(c) Canning 110 – 125 C (d) Hot air drying 50 – 100 C
149. The most favourable pH range for growth of bacteria is
(a) < 4.5 (b) > 8.0 (c) 6.5 to 7.5 (d) None of these
150. Energy required to grind material from one size to another is directly proportional to size
reduction ratio and is expressed by
(a) Newton’s Law (b) Fick’s Law
(c) Kick’s Law (d) Stock’s Law
151. Rittinger Law is based on the assumption
(a) Energy required for size reduction is directly proportional to change in surface area.
(b) Energy required for size reduction is inversely proportional to change in surface area.
(c) Both(a) and (b)
(d) None of these
152. A 3 6 rectangular wire mesh screen will have
(a) 18 openings per meter
(b) 3 openings per inch in one direction
(c) 6 openings per inch in another direction
(d) Both (b) and (c)
153. The capacity of the power operated chaff cutter is not a function of
(a) length of cut (b) speed of chaff cutter
(c) body weight of the animal (d) None of these
154. Generally, the length of cut for grasses for silage varies from _____ to ____ cm.
(a) 4 – 6 (b) 2 – 4 (c) 6 – 8 (d) 1 – 2
155. Indented cylinder separator separates the grains on the basis of
(a) Length (b) Weight (c) Relative length (d) Relative weight
Series-A 24 CES-10
Text of page 25
145.
(a) - (b) - (c) - (d) -
146. :
(a) (b)
(c) (d)
147. 650 , 405 , 6.8 ( )
8
/
(a) 128.79 (b) 126.35 (c) 77.81 (d) 0.0451
148.
?
(a) 200 – 250 (b) 140 – 180
(c) 110 – 125 (d) 50 – 100
149. pH
(a) < 4.5 (b) > 8.0 (c) 6.5 7.5 (d)
150.
:
(a) (b) (c) (d)
151. Rittinger () ?
(a)
(b)
(c) (a) (b)
(d)
152. 3 6
(a) 18 (b) 3
(c) 6 (d) (b) (c)
153. ?
(a) (b)
(c) (d)
154. : _____ ____
(a) 4 – 6 (b) 2 – 4 (c) 6 – 8 (d) 1 – 2
155. ?
(a) (b) (c) (d)
CES-10 25 Series-A
Text of page 26
156. In case of ideal fluids, viscosity is _____
(a) unity (b) zero (c) greater than one (d) None of these
157. The longest of the chain lines used in chain survey is generally regarded as
(a) Check line (b) Base line (c) Tie line (d) None of these
158. The compressive strength of burnt clay bricks as per IS 1077 is
(a) 100 kg/cm2 (b) 150 kg/cm2
(c) 100 – 150 kg/cm2 (d) 35 – 350 kg/cm2
159. The sphericity of non-spherical particles can be represented by
4 V 6 V 8 V 10 V
(a) = (b) = (c) = (d) =
DS DS DS DS
160. Which of the following has the highest value ?
(a) SHP (b) WHP (c) BHP (d) IHP
161. The relationship between viability of seeds, moisture content, temperature and storage
period is given by
(a) Henderson (b) Jonson (c) Hukill (d) Newton
162. Frictional loss through a pipe implies
(a) Loss due to dynamic coefficient of friction
(b) Loss of flow rate in pipe due to surface roughness
(c) Loss of energy due to surface slip
(d) Loss of momentum due to surface roughness
163. To make one cubic meter of 1 : 2 : 4 by volume concrete, the volume of coarse aggregate
required is
(a) 0.94 m3 (b) 0.85 m3 (c) 0.75 m3 (d) 0.65 m3
164. The angle between true meridian and magnetic meridian is called
(a) Azimuth (b) Bearing
(c) True meridian (d) Magnetic declination
165. Bulk food such as milk and fruit juices can be pasteurized in a barrel type heat exchanger
at what temperature and for how much time period ?
(a) 61 C for 20 minutes (b) 71 C for 15 seconds
(c) 55 C for 90 minutes (d) 121 C for 3 seconds
166. Foot valve is placed at
(a) Foot of the pump (b) End of the suction pipe
(c) In the middle of the suction pipe (d) End of the delivery pipe
167. In general, the life of the seed during storage revolves around
(a) Seed moisture and humidity (b) Storage temperature and humidity
(c) Seed moisture and storage temperature (d) None of these
Series-A 26 CES-10
Text of page 27
156.
(a) (b) (c) (d)
157. : _______
(a) (b) (c) (d)
158. 1077
(a) 100 /.2 (b) 150 /.2
(c) 100 – 150 /.2 (d) 35 – 350 /.2
159. - :
4 V 6 V 8 V 10 V
(a) = (b) = (c) = (d) =
DS DS DS DS
160. ?
(a) (b) (c) (d)
161. , ,
?
(a) (b) (c) (d)
162. ?
(a)
(b)
(c)
(d)
163. 1 : 2 : 4 -
(a) 0.94 - (b) 0.85 - (c) 0.75 - (d) 0.65 -
164. ?
(a) (b)
(c) (d)
165. -
?
(a) 61 C, 20 (b) 71 C, 15
(c) 55 C, 90 (d) 121 C, 3
166. - ?
(a)
(b)
(c)
(d)
167. : _______
(a) (b)
(c) (d)
CES-10 27 Series-A
Text of page 28
168. In which of the following, inertial forces are not important ?
(a) Flow under sluice gate (b) Flow through a long capillary tube
(c) Flow through a butterfly valve (d) Flow through a rectangular notch
169. Which of the following mortrar is most suitable for construction work in water-logged
areas ?
(a) Lime mortrar (b) Gauged mortrar (c) Cement mortrar (d) Mud mortrar
170. Distance measured with Gunter Chain is 15.39 chains. How much would be this distance
in metres ?
(a) 309.64 (b) 350.00 (c) 325.09 (d) None of these
171. The storage capacity of the overhead tank for grains is
(a) 56000 litres (b) 80000 litres (c) 25000 litres (d) 24000 litres
172. In a multistage pump, the specific speed is calculated on the basis of
(a) Total head (b) Head per stage
(c) Capacity per stage (d) Head & capacity per stage
173. In a grain storage structure for gravity discharge, the inclination of the hopper is kept as
_____
(a) Equal to the angle of repose
(b) 8-10 degree higher than the angle of repose
(c) 8-10 degree lower than the angle of repose
(d) None of these
174. Select the correct answer.
(a) Viscosity of gas increases with temperature.
(b) Density of gas increases with temperature.
(c) Surface tension of liquid increases with temperature.
(d) Bulk modulus of elasticity is independent of temperature.
175. If the width of the foundation for two equal columns is restricted, the shape of footing
generally adopted is _____
(a) Square (b) Trapezoidal (c) Rectangular (d) Triangular
176. A 30 metre chain is 5 cm short. Using this chain, the sides of rectangular field were found
to be 142.3 m and 153.6 m respectively. What is the actual area in hectares ?
(a) 2.178 ha (b) 3.179 ha (c) 4.179 ha (d) None of these
177. In Rotary dryer, the diameter of drums ranges between
(a) 1 – 3 metre (b) 3 – 6 metre (c) 4 – 8 metre (d) None of these
178. Submersible pumps are
(a) Jet pumps (b) Multistage centrifugal pumps
(c) Mixed flow pumps (d) Propeller pumps
179. In a bag storage structure, the clear distance between the stacks is kept as
(a) 1 metre (b) 2 metre (c) 3 metre (d) 4 metre
180. Viscosity of water ______ with increase in temperature.
(a) increases (b) decreases
(c) remains unchanged (d) None of these
_________
Series-A 28 CES-10
Text of page 29
168. ?
(a) (b)
(c) (d)
169. ?
(a) (b) (c) (d)
170. 15.39 ?
(a) 309.64 (b) 350.00 (c) 325.09 (d)
171.
(a) 56000 (b) 80000 (c) 25000 (d) 24000
172. ?
(a) (b)
(c) (d)
173.
(a) (b) 8-10
(c) 8-10 (d)
174. :
(a)
(b)
(c)
(d)
175.
(a) (b) (c) (d)
176. 30 5 : 142.3
153.6 ?
(a) 2.178 (b) 3.179 (c) 4.179 (d)
177. –
(a) 1 – 3 (b) 3 – 6 (c) 4 – 8 (d)
178. ?
(a) (b)
(c) - (d)
179. ?
(a) 1 (b) 2 (c) 3 (d) 4
180. ______
(a) (b) (c) (d)
__________
CES-10 29 Series-A
Text of page 30
Space For Rough Work / Series-A 30 CES-10
Text of page 31
Space For Rough Work / CES-10 31 Series-A
Text of page 32
Space For Rough Work / Series-A 32 CES-10
Page 1 of 32
Source: Uttarakhand Public Service Commission. Question paper published by Uttarakhand Public Service Commission.