UKPSC AE 2013: Uttarakhand Assistant Engineer (AE) Exam, AE Agricultural Engineering (Paper-Il)
Text of page 2
.
AGRICULTURAL ENGINEERING (PAPER - II)
The hydraulic difi'usivity of an aquifer 'D' is expressed in terms of transmissibility 'T' and
storage coefficient 'S' as:-
(a) D=T. S (h) DT/S
(c) D=T+S (d) D=SIT
2. In terms of discharge 'D' the well loss will be proportional to:-
(a) D (b) D' 2
(c) D2 (d) D2
3. In a watershed, when the streams of second and third order meet, the resulting stream is of
order:-
(a) Second (b) Third
(c) Fourth (d) Fifth
4. The product of hydraulic conductivity and aquifer thickness is called:-
(a) Storage coefficient (b) Specific yield
(c) Transmissibility (d) Drainable porosity
5. Line joining equal depths of water table are called:-
(a) Isobath lines (b) Isohyete lines
(c) Isobar lines (d) None of these
6.. The oil to be used in engine for lubrication purpose is:-
(a) SAE9O (b) SAE 50
(c) SAE3O (d) None of these
7. Oil pump in an engine is driven by:-
(a) Cam shaft (b) Crank shaft
(c) Timing gear (d) Rocker shaft
8. Which is the correct firing order of six cylinder engine?
(a) 1-2-3-4-5-6 (b) 1-5-2-4-3-6
(c) 6-5-4-3-2-1 (d) 1-5-3-6-2-4
9. Internal energy of ideal gas is a function of:-
(a) Temperature and volume (b) Pressure and volume
(c) Pressure and temperature (d) Temperature alone
ESE-il (2) Series-B
Text of page 4
10. Characteristic gas constant of any perfect gas:-
(a) Increases with increase in temperature
(b) Increases with increase in pressure
(c) Is a function of pressure and temperature
(d) Is constant
11. Zeroth law of thermodynamics defines:-
(a) Internal energy (b) Temperature
(c) Enthalpy (d) Pressure
12. Movement of irrigation water from the soil surface into the soil is called:-
(a) Percolation (b) Interfiow
(c) Infiltration (d) Water intake
13. In general. the contour bunding practice is not recommended for the following type of soil:-
(a) Loamy soil (b) Deep black soil
(c) Sandy soil (d) Highly permeable soil
14. Most efficient rectangular cross section of a channel is defined as follows when hydraulic
radium is 'R' and flow depth is 'd':-
(a) R=d (b) R=d12
(c) R=2d (d) R=4d
15. The nature of Hougoudt's equation for drain spacing is:-
(a) Parabolic (b) Hyperbolic
(c) Elliptical (d) Circular
16. The empirical method for computing consumptive use of a crop using the mean monthly
temperature and day light hours is:-
(a) Thornth waite (b) Blanney criddle
(c) Hargreaves (d) Lowry Johnson
17. Ignition quality of diesel fuel is indicated by:-
(a) Octane number (b) Calorific value
(c) Centane number (d) Ignition temperature
18. Ballasts are used in rear tyres of a tractor to :-
(a) Increase stability of tractor
(b) Increase traction
(c) Decrease front wheel slipage
(d) Decrease tractor vibration
(4) Series-B
ESE-li
Text of page 6
19. The use of pressurized radiator cap in forced circulation water cooling system in tractor
engines helps in
(a) Reducing the evaporation losses
(b) Increasing the engine operating temperature
(c) Maintaining the appropriate range of temperature of water
(d) Increasing.the radiator capacity
20. Permissible flow velocity for design of grassed waterway to be under a good grass cover is
taken as :-
(a) 1— 1.5 mIs (b) 1.5-1.8 rn/s
(c) 2-2.5m1s (d) 2.5-3.0 mIs
21. If the Froude's number during a hydraulic jump is 1-1.7, then it is called:-
(a) Oscillating jump (b) Weak jump
(C) Steady jump (d) Undular jump
22. The second law of thermodynamics describes the statement about:-
(a) Enthalpy (b) Work
(c) Entropy (d) Heat
23. The flow velocity of water is measured by:-
(a) Anemometer (b) Current meter
(c) Tensiometer (d) None of these
24. The capacity of a centrifugal pump varies with its speed 'N' as:-
(a) N2 (b)
(c) N (d) N
25. Cavity well is most suitable under the following condition:-
(a) Aquifer with fine sand and small thickness
(b) Aquifer with coarse sand and small thickness
(c) Aquifer with coarse sand and large thickness
(d) Aquifer with coarse sand and hard covering layer
26. For a well, yield per unit of draw down is called:-
(a) Specific yield (b) Specific capacity
(c) Well yield (d) Safe yield
27. The number of stream segments per unit area of water shed is known as:-
(a) Watershed density (b) Stream density
(c) Stream order (d) Basin relief
ESE-il (6) Series-B
Text of page 8
28. Usually, the discharge capacity of minor distributary in India is :-
(a) > 1000 lit/sec (b) <750 lit/sec
(c) 0.75 — 5.5 cumec (d) 4 — 8.5 cumec
29. The unit of infiltration rate is :-
(a) mm/hr (b) cm3/hr
(c) m2/br (d) None of these
30. Which soil has a higher angle of repose?
(a) Sandy soil (b) Clay soil
(c) Sandy loam soil (d) Clay loam soil
31. Depth of open ditch for surface drainage varies from:-
(a) 60 to 100 cm (b) 100 to 150 cm
(c) 150 to 250 cm (d) 30 to 60 cm
32. Spacing of mole drain generally varies from:-
(a) 5 to 7.5 m (b) 7 to 15 m
(c) 2to5m (d) 2to lOrn
33. The value of recession constant (kr) is:-.
(a) I (b) <1
(c) >1 (d) -1
34. The value of circulatory ratio of watershed varies from:-
(a) 0.2 to 0.8 (b) 0.4 to 1.0
(c) 1.5 to 2.0 (d) 4to4.5
35. Which of the following describes the best meaning of Ergonomics?
(a) Crop sciences (b) Machine economics
(c) Worker and working environment (d) None of these
36. Thermodynamic equilibrium of a system does not require:-
(a) Mechanical equilibrium (b) Thermal equilibrium
(c) Optical equilibrium (d) Chemical equilibrium
37. Horizontal to vertical side slope in a cipolette weir is:-
(a) 1:2 (b) 1:4
(c) 2:1 (d) 4:1
ESE-li (8) Series-B
Text of page 10
38. If 'H' is the head over the crest of a triangular weir, the discharge will be proportional to
(a) H112 (b) H312
(c) H512 (d) H2
39. The dimensions of transmissibility of an aquifer will be
(a) LIT (b) L2IT
(c) LIT2 (d) None of these
40. The distance between the centre of a well and the outer point of the cone of depression is
called :-
(a) Well radius (b) Aquifer radius
(c) Radius of draw down (d) Radius of influence
41. To raise the temperature of a unit mass of a substance by one degree, the energy required is
known as :-
(a) Specific gravity (b) Specific heat
(c) Latent heat (d) Specific temperature
42. Direction of rotation can be reversed in :-
(a) 2- stroke engine (b) 4- stroke engine
(c) Both (a) and (b) (d) None of these
43. If the forward speed of a tractor drawn seed drill is increased twice, then the seed rate delivered
will be
(a) Reduced to half (b) Double
(c) Increased by four time (d) Remains the same
44. Which of the following is a correct match?
(a) Mole drain = pump drainage
(b) Vertical drainage = well drainage
(c) Pipe drain = well drainage
(d) Horizontal drain = bio-drainage
45. Which of the following is the most correct match?
(a) Manning's formula = Estimation of seepage loss in a canal
(b) Kennedy theory = Open channel flow
(c) Darcy-weisbach formula = Friction factor
(d) Seepage meter = Design of open channel
ESE-lI (10) Series-B
Text of page 12
46. If the hydraulic radius is more than 5.0m, then for designing an open ditch, the value of
Manning's 'n' should be taken as :-
(a) 0.002 — 0.030 (b) 0.04 0.045
(c) 0.035 — 0.040 (d) 0.040 0.045
47. The development of a tube well should be started from :-
(a) Middle of screen (h) Top of screen
(c) Bottom of screen (d) Bottom of casing pipe
48. Which type of gully is formed on flat land?
(a) U-shaped (b) V-shaped
(c) L-shaped (d) T-shaped
49. Check dams are provided with the main objective of :-
(a) Ponding of water (b) Causing upstream sedimentation
(c) Reducing channel (gully) slope (d) All above
50. Dimension of leakage factor is equivalent to
(a) Time (b) Velocity
(c) Resistance (d) Length
51. Contour farming is recommended for lands having slope
(a) Less than 1% (b) 2-7%
(c) 7-12% (d) More than 12%
52. If rainfall occurs on a perfectly. impermeable surface (such as glass), then the Curve Number
(CN) for computing runoff will be assumed to be :-
(a) 50 (b) 75
(c) 100 .(d) 25
53. The average soil loss in India from agricultural lands is about :-
(a) 6-8 t/halyear (b) 10-12t/ha/year
(C) 20-3 0 t/ha/year (d) 80-100 t/ha/year
54. In light sandy soil, with slope I to 5%, the maximum water application rate of a sprinkler
irrigation system is
(a) 2.0 cm/hr (b) 2.5 cm/hr
(c) 3.0 cm/hr (d) 3.5 cm/hr
55. The water present in the soil between field capacity and permanent wilting point is known
as:-
(a) Ground water (b) Gravitational water
(c) Hygroscopic water (d) Available water
ESE-il (12) Series-B
Text of page 14
56. Improper wheel balancing results in :-
(a) Excessive tyre pressure (b) Excessive tyre speed
(c) Excessive tyre wear (d) All above
57. In which of the following tractor components, the speed reduction takes place?
(a) Gear box (b) Differential
(c) Final drive (d) All above
58. Which is the most pertinent variable in selecting a machine?
(a) Height of machine (b) Colour of machine
(c) Size of machine (d) Ground clearance
59. Concentration of nitrate in unpolluted surface water is generally less than
(a) I ppm (b) lOppm
(c) 15 ppm (d) 20 ppm
60. The unit draft in silt loam (moist) soil varies from :-
(a) 0.21 to 0.24 Kg/cm2 (b) 0.71 to 0.89 Kg/cm2
(c) 0.64 to 0.71 Kg/cm2 (d) 0.36 to 0.43 Kg/cm2
61. Water loss through seepage in earthen channels amounts to about :-
(a) 15% (b) 20%
(c) 25% (d) 30%
62. Contour bunds are adopted :-
(a) In low rainfall regions
(b) In highly pervious soils
(c) In high rainfall regions
(d) Where conservation of moisture is needed
63. If a soil sample has porosity of 40%, its void ratio will be
(a) 0.06 (b) 0.60
(c) 0.40 (d) 0.30
64. The upper limit of a tensiometer for soil moisture tension measurement is :-
(a) 0.85 centibar (b) 8.5 centibar
(c) 85 centibar (d) 1 00 centibar
ESE-li (14) Series-B
Text of page 16
.65. The use of a power tiller is considered economical when it is utilized for :-
(a) 800 hrs/year (b) 1000 hrs/year
(c) 1200 brs/year (d) 1400 hrs/year
66. Thermal efficiency of a diesel engine varies from :-
(a) 25 to 32% (b) 32 to 38%
(c) 40 to 45% (d) 45 to 50%
67. Tilt angle in a disc plough varies from
(a) 15to25° (b) 5 to 10°
(c) 25 to 30° (d) lOtol5°
68. Combustion is which type of process?
(a) Isothermic (b) Endothermic
(c) Isopleth (d) Exothermic
69. Hydraulic ram is
(a) A centrifugal pump (b) An impulse pump
(c) A volute pump (d) A rotary pump
70. Subsurface drains removes :-
(a) Gravitational water (b) Capillary water
(c) Hygroscopic water Cd) All above
71. As compared to an electrical motor driven pump, the cost of lifting water by an engine driven
pump is higher by
(a) 5to10% (b) l0tol5%
(c) 15to25% (d) 25 to 40%
72. If the velocity of overland flow is doubled, the erosive capacity is increased as:-
(a) 2 times (b) 4 times
(c) 6 times (d) 32 times
ESE-li (16) Series-B
Text of page 18
73. The direction of rotation of the rotor shaft of a rotavator is:-
(a) Opposite to the rotation of tractor wheels
(b) Same as rotation of tractor wheels
(c) Transverse to the rotation of tractor wheels
(d) None of these
74. While operating a combine harvester, the grain not collected by the machine is called:-
(a) Field loss (b) Shattering loss
(c) Gathering loss (d) Reel loss
75. The energy of a raindrop causing erosion is expressed in:-
(a) rn-mg / ha.mm (b) m.mg/ha
(c) m.t/ha (d) t/ha-m
76. Evaporation pan coefficient of class 'A' pan is generally taken as :-
(a) 7.0 (b) 0.7
(c) 0.007 (d) 5.5
77. The kinetic energy of raindrops compared to that of runoff is :-
(a) 100 times more (b) 100 times less
(c) 250 times more (d) 30 times more
78. Dicken's formula is used to determine :-
(a) Peak discharge (b) Monthly runoff
(c) Periodic runoff (d) Fortnightly runoff
79. Tension on a hydraulic structure develops because of :-
(a) Load of water (b) Action of uneven forces
(c) Structural weight (d) None of these
80. Erodibility is basically associated to :-
(a) Soil properties (b) Rainfall properties
(c) Crops (d) Cultural practices
ESE-il (18) Series-B
Text of page 20
81. One hectare is equal to :-
(a) 10,000 sq.m. (bl) 100.000 sq.m.
(c) 1000 sq.m. (d) 100 sq.m.
82. The unit of draft of implement is
(a) Horse power (b) mm
(c) foot (d) kilogram force
83. The ratio of total volume of water delivered to a crop, to area on which it has been spread is
called :-
(a) duty (b) delta
(c) critical path (d) specific volume
84. The relationship between bench width (W) and depth of cut (D) in bench terraces is given
by:-
IOOD loos
(a) W— (b) W=
S D
200D
(c) W— (d) None of above
85. The unit of delta is :-
(a) cm (b) cm'2
(c) cm 2 (d) cm2
86. Spacing of drains in flat land under parallel field drain system varies from :-
(a) 150-300m (b) 100-500m
(c) 100-200m (d) 300-450m
87. Spacing of mole drains varies from :-
(a) 2to5m (b) 5 to 7.5 rn
(c) 7to15m (d) 2to10m
88. Dimension of leakage factor is :-
(a) L (b) LIT
-2
(c) T 2 (d) LI
89. Velocity Measurement of stream flow is carried out by the device called
(a) Current meter (b) Planirneter
(c) Tachometer (d) Hydrometer
ESE-li (20) Series-B
Text of page 21
81. T 9[q cii
(a) 10.000 pf 41. (b) 100.000 Pf 41.
(c) i000'f 41. (d) 100 Pf 41.
82. T1 1ii cti *:—
(a) 3Pc1IId (b) fk41.
(c) 9 (d) f'JT. T
83. q,ue1 Ritii cj, {4 1J i ziiici'i TT fT14c1 .1:I1 I9e1
3I4Ici qc1 :-
(a) (b) cI
(c) j[cp ijpf (d) 3JI1 fT 3IIic1'1
84.
100D IOOS
(a) ' (b) W D
200D
(c) W= (d) jqacçi 4 c1 ' .l)
85. T 4t :--
(a) .41. (b)
41_1/2
(c) 41-2 (d)
412
86. .19c14 jr I1Ii1 fcpii c1icfl iuifl 4 1ctii ii1ii ii cj) lcll
(a) 150 — 300 41. (b) 100 — 500 41.
(c) 100 — 200 4 (d) 300 — 450 41.
87.
(a) 2 5 41. (b) 5 7.5 41.
(c) 7i11541. (d) 21041.
88. 41ctii 1ii c11 *
(a) L (b) L/T
(c) T 2 (d) LT 2
89. ule11?.1I'I lI1 T 1ii ?1d 1 iitii iicii 4 ct, e1Ic1I
(a) (b) 1141
(c) tuil1 (d) i4k
ESE-li (21) Series-B
Text of page 22
90. In large watersheds, the peak discharge (Q) is computed by :-
(a) QocA (b) QocijF
(c) Qoc logA (d) QocA
91. The first law of thermodynamics is a statement about :-
(a) Conservation of energy (b) Conservation of momentum
(c) Conservation of heat (d) Conservation of work
92. Unconfined aquifer is also called as
(a) Semi-confined aquifer (b) Water table aquifer
(c) Aquifuge (d) All of above
93. Inward slope of a bench terrace is in the range of:-
(a) 1 - 5 Percent (b) 5 - 10 Percent
(c) 2 - 10 Percent (d) 8 - 20 Percent
94. If a soil sample has porosity of 40 percent, its void ratio will be :-
(a) 0.06 (b) 0.28
(c) 0.40 (d) 0.66
95. The uppermost line of seepage in an earth embankment is called :-
(a) Phreatic line (b) Lower most flow line
(c) Runoff line (d) Water pressure line
96. Soil erosion will be more in :-
(a) Clay soil (b) Loam soil
(c) Sandy soil (d) Silty clay soil
•
97. As per BIS recommendation, the shape of lined channels should be :-
(a) Semi -circular (b) Trapezoidal
(c) Parabolic (d) Rectangular
98. The maximum rate of emission by drippers under normal working condition is :-
(a) 15 lit /hr (b) 10 lit/hr
(c) Slit/hr (d) 20 lit /hr
99. Operating speed of power sprayer varies from :-
(a) 2 - 5 km /hr (b) 4.8 - 8 km /hr
(c) 10-20km/hr (d) 20-35km/hr
ESE-il (22) Series-B
Text of page 24
100. Bakhar is a type of harrow
(a) Disc harrow (b) Blade harrow
(c) Spring tooth harrow (d) Spike tooth harrow
101. Usually mould boards are made from :-
(a) Mild steel (b) Soft center steel
(c) Chilled steel (d) Hardened carbon steel
102. The most commonly used implement for clod crushing is :-
(a) Grubber (b) Blade harrow
(c) Pata / Patela / Planker (d) None of above
103. Frogisapartof:-
(a) M. B. Plough (b) Disc Plough
(c) Disc harrow (d) Indigeneous plough
104. The angle between the axis of gang and line perpendicular to the direction of motion of disc
harrow is called :-
(a) General angle (b) Disc angle
(c) Gang angle (d) Tilt angle
105. High speed engines have :-
(a) 1000 or less r.p.m. (b) 1000 or more r.p.m.
(c) 500 r.p.m. (d) 300-500 r.p.m.
106. The oil pressure in lubricating system of tractor engine is around :-
(a) 1.0 kg/cm2 (b) 1.5 kg/cm2
(c) 2.0 kg/cm2 (d) 3.0 kg/cm2
107. Diesel cycle is also known as :-
(a) Combination cycle (b) Constant volume cycle
(c) Constant pressure cycle (d) (a) and (b) both
108. Multi crop thresher is equipped with :-
(a) Rasp-bar cylinder (b) Spike tooth cylinder
(c) Both (a) and (b) (d) Beater type cylinder
109. A reaper is used for :-
(a) Cutting crop (b) Cutting wood
(c) Cutting and threshing (d) Threshing
ESE-li (24) Series-B
Text of page 26
110. The S.l. unit of torque is
(a) Jule (b) Paskal
(c) Newton-Meter (d) Watt
111. If drainage canal discharge is 0.2 m3/sec and the drainage area is 250
hectares, then the
drainage coefficient will be :-
(a) 70 cm (b) 70 mm
(c) 0.5 cm (d) 7mm
112. The effect of gravity force upon the state of flow is represented by
(a) Reynold's number (b) Darcy's number
(c) Kennedy's number (d) Froude's number
113. A petrol engine is easily identified by seeing
(a) Spark plug (b) Oil cleaner
(c) Fly wheel (d) Injector
114. Brake lining is mounted on
(a) Wheel cylinder (b) Brake drum
(c) Brake shoe (d) Master cylinder
115. The S.I. unit of pressure is :-
(a) Kg / cm2 (b) mm of Hg column
(c) Pascal (d) Bar
116. The constant volume cycle is also called :-
(a) Carnot cycle (b) Otto cycle
(c) Diesel cycle (d) Rankine cycle
117. The efficiency of a Carnot engine depends on :-
(a) Design of engine (b) Temperature difference
(c) Type of material used (d) Capacity of engine
118. For an engine running at 1500 r.p.m. the cam shaft speed will be :-
(a) 750 r.p.m (b) 1500 r.p.m
(c) 2250 r.p.m (d) 3000 r.p.m
ESE-il (26) Series-B
Text of page 28
119. In ploughs, rear furrow wheels are provided to :-
(a) Reduce side thrust on the plough
(b) Control depth of cut
(c) Transport Machines
(d) None of these
120. An aspirator uses the following principle to separate chaff from grain
(a) Difference in size (b) Difference in weight
(c) Difference in colour (d) Difference in terminal velocity
121. Sub irrigation is useful in a situation where :-
(a) Saline water is used for irrigation
(b) Soil is heavy clay to permit capillary rise
(c) Capillary movement is rapid around roots
(d) No hard pan is present
122. The difference between a shallow tube-well and a deep tube well is made on the basis of:-
(a) Depth of aquifer (b) Depth of tube-well
(c) Position of water table (d) Type of aquifer
123. The brake horse power of a centrifugal pump has a direct relationship with:-
(a) The speed of the impeller (b) The square of the speed of impeller
(c) The cube of the speed of impeller (d) None of these
124. Most common method for irrigating the potato crop is :-
(a) Sprinkler method (b) Check-basin method
(c) Furrow method (d) Border method
125. Chute spillway is superior to drop inlet spillway when :-
(a) Large discharge is required
(b) No opportunity to provide temporary storage
(c) Channel is to be brought down a steep slope
(d) All of these
126. Sheet of water which overflows a weir is called :-
(a) Head (b) Static head
(c) Nappe (d) None of these
127. Infiltration rate during irrigation :-
(a) Increases (b) Decreases
(c) Both (a) and (b) (d) None of these
ESE-lI (28) Series-B
Text of page 30
128. Darcy's law is valid under the conditon of:-
(a) Laminar flow with Reynold's number> 10.0
(b) Reynold's number < 1.0
(c) Newtonian flow
(d) Steady uniform flow
129. The ratio of volume of voids to the total soil volume iscalled :-
(a) Porosity (b) Void ratio
(c) Dry bulk density (d) Wet bulk density
130. The sprinkler system operates at following pressure range :-
(a) I - 4 kg / cm2 (b) 4 8 kg / cm2
(c) 4 - 12 kg / cm2 (d) 8 - 12 kg / cm2
131. The wells in which the water levels remain at the water table level are :-
(a) Non-artesian wells (b) Artesian wells
(c) Confined wells (d) Tube wells
132. The soluble soil matters are :-
(a) Sand and silt (b) Clay and organic matter
(c) Sand, silt, clay and organic matter (d) None of these
133. The minimum wind velocity required to initiate movement of soil particles is knows as :-
(a) Critical velocity (b) Dynamic velocity
(c) Intrinsic velocity (d) Threshold velocity
134. The minimum water content at which the soil just begins to crumble when rolled into threads
is known as :-
(a) Liquid limit (b) Plastic limit
(c) Shrinkage limit (d) Permeability limit
135. A soil has hydraulic conductivity in horizontal and vertical directions as K1 and 1(2, then its
effective hydraulic conductivity would be :-
(a) K1 +K, (b) K/I(2
(c) K, x K2 (d) (K, x K2)"2
ESE-li (30) Series-B
Text of page 32
136. If a fourth order watershed has bifurcation ratio as 4. the number of second order streams
would be :-
(a) 4 (b) 8
(c) 16 (d) 32
137. The average water extraction of plants from the first 25% of soil depth is:-
(a) 50% (b) 45%
(c) 40% (d) 35%
138. In coarse sand and fine gravel layers free from silt and clay, the radius of influence of wells
ranges from :-
(a) 300-600m (b) 180-300m
(c) 90-180m (d) 30-90m
139. In treatment of catchment area of gullies, contour bunds are recommended for lands with
slopes upto
(a) 4% (b) 6%
(c) 8% (d) 10%
140. At field capacity, soil moisture tension is :-
(a) 10 - 30 centi bar (b) 10-30bar
(c) 7 - 32 centi bar (d) 7 - 32 bar
141. Power developed by an average pair of bullocks is about :-
(a) 750 kW (b) 75 kW
(c) 750 W (d) 75 W
142. Soil formation that have the maximum specific yield is :-
(a) Clay (b) Sand
(c) Gravel (d) Sand stone
143. Runoff coefficient will be higher in :-
(a) Sandy soil (b) Sandy loam soil
(c) Clay and silt loam (d) Stiff clay
144. Froude's number is the ratio of the :-
(a) Inertia force to the shearforce (b) Inertia force to the viscous force
(c) Inertia force to the gravity force (d) Viscous force to the gravity force
ESE-li (32) Series-B
Text of page 34
145. The ratio of the basin area to the area of circle having the same perimeter as the basin is
known as :-
(a) Circulatory ratio (b) Elongation ratio
(c) Compactness coefficient (d) Farm factor
146. A practical method of reducing sheet erosion from slopy land is :-
(a) Keep the land fallow (b) Farming on contour strips
(c) Construction of small reservoir (d) Use plastic sheet
147. The percentage of soil particles transported by saltation process in case of wind erosion
varies from :-
(a) 3to40% (b) 50to75%
(c) 80to90% (d) 5to25%
148. The average firing interval for 6 cylinder, 4 cycle engine is :-
(a) 120° (b) 180°
(c) 240° (d) 360°
149. The drip irrigation is very effective for
(a) Water conservation
(b) Management of large cultivable land for high production
(c) Energy conservation
(d) All above
150. Irrigation interval of drip irrigation varies from :-
(a) 3 -4days (b) l-3days
(c) 7 days (d) 15 days
151. Blade diameter of gear type hand operated winnowing fan is :-
(a) 0.50m (b) 0.25 m
(c) 0.75 m (d) l.05m
ESE-li (34) Series-B
Text of page 36
152. The device used to apply liquids in a crop is called:-
(a) Duster (b) Ridger
(c) Sprayer (d) Pump
153. In seed drill, kind of device used to transmit power from ground wheel to seed metering
mechanism is:-
(a) Gear (b) Chain and sprocket
(c) Belt and pulley (d) Rope and wheel
154. Emitters are used in:-
(a) Sprinkler irrigation (b) Surface irrigation
(c) Drip irrigation (d) Sub-surface irrigation
155. The form of water which is not available to plants, is:-
(a) Unavailable water (b) Hygroscopic water
(c) Capillary water (d) Free water
156. Functions of a planter are:-
(a) Open the furrow (b) Meter the seed
(c) Place the seed in furrow (d) All of these
157. The weight of 1Kg mass on the earth will be:-
(a) 1 Kg (b) 9.8 Kg
(c) 98Kg (d) 9.8N
158. A tractor with 21 splines P.T.O. shaft will have standard speed of:-
(a) 540 r.p.m. (b) 1000 r.p.m.
(c) 1540 r.p.m. (d) 1800 r.p.m.
159. In a combine harvester, the reel index should normally be:-
(a) 0.75to1.0 (b) 1.50 to 1.75
(c) 1.75 to 2.0 (d) 1.25 to 1.50
160. A thresher causes more seed damage if:-
(a) Cylinder speed is increased (b) Cylinder clearance is increased
(c) Aspirator speed is increased (d) All of the above
161. A combine harvester discharges grains left on heads can be corrected by:-
1. Increasing the cylinder speed
2. Decreasing the cylinder concave clearance
(a) Only statement '1' is correct
(b) Only statement '2' is correct
(c) Statement '1' and '2' both are correct
(d) Neither statement '1' nor '2' is correct
ESE-il (36) Series-B
Text of page 38
162. In irrigation, tensiometer is used for:-
(a) The measurement of soil moisture content
(b) The measurement of soil moisture tension
(c) Irrigation scheduling
(d) Both (b) and (c) are correct
163. 20-40 rule is used to compute:-
(a) Head loss in a drainage pipe
(b) Slope of drainage ditch
(c) Design discharge below the junction point of ditches
(d) Hydraulic radius of drainage ditch
164. A geological formation, which has more water holding capacity but impermeable for flow of
water, is known as:-
(a) Aquifer (b) Aquifuge
(c) Aquitard (d) Aquiclude
165. To ensure surface drainage, a minimum furrow grade needed is:-
(a) 0.5% (b) 0.05%
(c) 5% (d) 10%
166. The air standard efficiency of a Otto cycle compared to diesel cycle for the given compression
ratio is:-
(a) Same (b) Less
(c) More (d) Unpredictable
167. The pressure and temperature at the end of compression stroke in a petrol engine are of the
order of:-
(a) 4-6 Kg/cm2 and 200-250°C
(b) 6-12 Kg/cm2 and 250-350°C
(c) 12-20 Kg/cm2 and 3 50-450°C
(d) 20-30 Kg/cm2 and 450-500°C
168. For an engine running at 1500 r.p.m., the cam shaft speed is:-
(a) 750 r.p.nl. (b) 1500 r.p.m.
(c) 2250 r.p.m. (d) 3000 r.p.m.
169. The temperature gauge on the tractor dashboard indicates the temperature of:-
(a) Coolant circulating in the engine
(b) Engine running at standard speed
(c) Lubricating oil in the sump
(d) Ideal engine running temperature
170. The hydrostatic hydraulic system of a tractor is based on:-
(a) Bernoulli's theorem (b) Archimede's principle
(c) Pascal's law (d) None of these
ESE-li (38) Series-B
Text of page 40
171. The boundary line along a topographic ridge sep&atjng two adjacent drainage basins is called
as:-
(a) Contour line (b) Drainage divide
(c) iso bath (d) Iso chrome
172. Rolling resistance of a traction device can be reduced by:-
(a) Increasing the diameter of the device
(b) Increasing normal load on the device
(c) Increasing sinkage due to device
(d) None of these
173. Spraying of crops is usually avoided on windy days because:-
(a) Drif increases
(b) Gets inhaled by the operator
(c) Cause the chemical to break down
(d) None of these
174. A thresher sieve allows the following to pass through its perforations:-
(a) Clean grain (b) Chaff for blowing away
(c) Dust particles (d) Both grain and dust
175. If all other parameters are fixed, then doubling the diameter of a tubewell increases the
discharge by:-
(a) 75% (b) 50%
(c) 20% (d) 10%
176. The sum of static suction head and static discharge head is called:-
(a) Pressure head (b) Velocity head
(c) Total static head (d) Total discharge head
177. For a given condition, a high intensity rain produces:-
(a) Less splash (b) More infiltration
(c) More splash (d) Crusting of soil
178. At optimum moisture content, the dry density of soil will be:-
(a) Minimum (b) Maximum
(c) Average (d) Zero
179. Soil degradation takes place due to:-
(a) Geological erosion (b) Accelerated erosion
(c) Glacial erosion (d) Tidal erosion
1 80. Steady infiltration rate is called:-
(a) Basic intake rate (b) Seepage rate
(c) Percolation rate (d) Cumulative infiltration rate
ESE-il (40) Series-B
Official key not published for this paper.
Page 1 of 41
Source: Uttarakhand Public Service Commission. Question paper published by Uttarakhand Public Service Commission.