3. The capacity of power tiller operated vertical conveyer reaper is
Correct : B. 0.25-0.35 ha/h
4. The main drawback of thermo syphon cooling is that
Correct : A. Cooling depends on only temperature and independent of engine
5. The carburetor is main part of
Correct : C. Petrol engine
6. Mineral lubricants are most popular for
Correct : B. Engines and Machines
7. The position of seepage line is influenced by
Correct : C. Both (a) and (b)
8. The variation in viscosity of oil with change in temperature is measured by
Correct : B. Viscosity index
9. The energy wind is converted into
Correct : B. Mechanical energy
10. Single disc or single plate type clutch is
Correct : A. Dry type
11. Crankcase breather is used for
Correct : C. Removing water vapour from crankcase
12. Renewable source of energy can be renewed by
Correct : D. All are correct
13. Wind velocity varies with
Correct : A. Temperature
14. All speed governors is directly connected with
Correct : C. Both (a) & (b)
15. In multi-blade rotor the number of blades varies from
Correct : C. 12?20
16. A coulter attachment is used with
Correct : C. MB plough
17. In an engine, the angle between the cylinder axes and the crankshaft centre line is
Correct : B. 90?
18. For sowing of wheat seed, a suitable metering mechanism is
Correct : C. Fluted roller
19. The number of holes per square inch in a 20-mesh screen will be
Correct : B. 400
20. Biogas can be used to operate
Correct : C. Both SI and CI engine
21. In individual pump system, fuel is delivered to injector at a high pressure of
Correct : D. 10000-20000 Kpa
22. A bullock-drawn mower, the power transmitted to the axle is through
Correct : A. Transport wheel
23. A sheet of water, which overflows a weir, is
Correct : B. Nape
24. Main function of fuel injection system is
Correct : D. All are correct
25. The L-shaped blade of rotary tillers are used for seed bed preparation in
Correct : A. Hard and sticky soil
26. The efficiency of IC engines varies from
Correct : C. 35 to 40 per cent
27. The value of angle of repose for millets is about
Correct : B. 20-25 degree
28. In IC engines the method used for ignition of fuel is
Correct : D. All are correct
29. Terminal velocity of wheat grain is
Correct : B. 9-11.5 m/s
30. Supercharger of an engine is driven by
Correct : B. Crankshaft
31. The thermal efficiency of CI engine is
Correct : A. Higher than SI engine
32. Engine is a device, which converts
Correct : A. Chemical energy into mechanical
33. In force feed lubrication system pump is driven by
Correct : A. Camshaft
34. The gas holder used in floating gas type biogas plant is
Correct : C. Inverted drum
35. The part of seed drill that conveys seed or fertilizer from deliver tube to furrow is
Correct : B. Boot
36. ONK-B sprayer duster is used as
Correct : A. Spraying of liquid
37. The threshing cylinder used in groundnut thresher is
Correct : A. Spike tooth type
38. The two-stroke engine is
Correct : C. Petrol engine
39. The combine harvester is a machine designed for
Correct : D. All are correct
40. In an adiabatic process system
Correct : C. Heat is constant
41. Direct runoff is made up of
Correct : B. Surface runoff and prompt inter flow
42. Specific speed of pump expresses relationship between
Correct : D. All are correct
43. A governor based on the principle that the change of pressure in one part of system produces an opposite change of much greater magnitude in other part is called
Correct : C. Hydraulic governor
44. Tidal energy is the
Correct : A. Renewable energy
45. The downward movement of water through saturated or nearly saturated soil is response to force of gravity is
Correct : B. Percolation
46. A cylinder block is normally made of
Correct : B. Cast iron
47. The biogas production stops at an atmospheric temperature of
Correct : B. 10?C
48. The ratio of the speed at the tip of rotor to the wind speed is called
Correct : C. Tip speed ratio
49. The firing order of eight-cylinder engine is
Correct : A. 1 ? 5 ? 4 ? 2 ? 6 ? 3 ? 7 ? 8
50. Centre of resistance of plough lie at a distance of
Correct : B. 3/4rd size of plough from share wing
51. Downstream section of straight drop spillway is called as
Correct : C. Both (a) & (b)
52. In thin layer drying, the depth of grain layer should be
Correct : B. Less than 20 cm
53. The term harvesting is associated with
Correct : D. All are correct
54. A long mould board with gentle curvature used in tough soil full of grasses is
Correct : B. Breaker type MB
55. The threshing of crop by stripping is done with the help of
Correct : C. Both (a) & (b)
56. Bench terracing is also called as
Correct : B. Staircase farming
57. The stubble type of mould board is mostly suitable for
Correct : A. Grassy land
58. The depth measured at the centre of the disc by placing its concave side down on a flat surface is
Correct : B. Concavity
59. Constant speed engine is used in
Correct : D. Electric generator
60. The seed tubes are made of
Correct : D. All are correct
61. Drying temperature for using batch-bin dyers is
Correct : B. 60?C
62. Chemically correct air mixture ratio for Otto cycle engine is
Correct : C. 15;1
63. The rate of doing work is equal to
Correct : D. All are correct
64. A point at which the resultant of all horizontal and vertical forces acts is
Correct : B. Centre of resistance
65. Ratio of net pull produced for the dynamic normal load on traction device is called
Correct : C. Net traction coefficient
66. Air injection pumps are mostly used in
Correct : D. Heavy duty stationary engine
67. The viscosity of oil denoted by a number is
Correct : C. SAE number
68. Gears are generally made of
Correct : D. Alloy steel
69. The purpose of harrowing is to
Correct : D. All are correct
70. The solar cells used in solar panel are used to convert solar energy into
Correct : C. Electrical energy
71. The thermal efficiency of diesel engine varies between
Correct : B. 32 and 38 per cent
72. The press wheel used for compaction of soil around the seeds in high moisture conditions are
Correct : A. Open centre wheel
73. In wind erosion movement of particle is carried out by
Correct : C. Saltation, suspension and surface creep
74. Ratio of total force output of the traction device in direction of travel to dynamic weight on traction device is
Correct : B. Coefficient of traction
75. A disadvantage of air-cooling system is
Correct : C. Both (a) & (b)
76. Surface creep is carried out by the action of
Correct : B. Rolling or sliding
77. The mowers are designed to cut
Correct : A. Wheat
78. The major controlling factor in separation of grain by fluidized bed separator is
Correct : A. Air velocity and weight of grain
79. Suitable lubricant for 2-stroke engines is
Correct : C. Mineral lubricant
80. The work timing gear is to
Correct : D. All are correct
81. The six-cylinder engine with possible number of firing orders is
Correct : B. 4
82. A machine used to cut crops and deliver them in a uniform manner in a row is
Correct : D. Windrower
83. The percentage of healthy grain obtained from all outlets with respect to healthy grains received from main outlet by weight is
Correct : B. Sieve loss
84. The volume of water discharged per unit time is
Correct : B. Well yield
85. Leakage factor is the property of
Correct : B. Semi-confined aquifer
86. The solar radiation received directly from the sun is
Correct : A. Beam radiation
87. The particle size of silt according to USWA is
Correct : C. 0.002 to 0.05 mm
88. When the soil moisture and rainfall are inadequate during the growing season to support healthy crop growth to maturity is called
Correct : C. Agricultural drought
89. In dry milling process, the following operations are done prior to oil treatment is
Correct : B. Pitting
90. The lines on a map through places having equal depth of evapotranspiration is called
Correct : C. Isopleths
91. In the cylinder sorter, the inclination of cylinder for dry granular material is kept up to
Correct : C. 125 mm/m
92. In diesel engines, fuel injected in the cylinder is through
Correct : C. Fuel injector
93. The size of seed drill expressed by
Correct : C. Number of furrow opener x spacing between two furrow openers
94. The ratio of reel peripheral speed to forwards speed of combine is termed as
Correct : B. Reel index
95. The sequence of gears and shafts through which the engine power transmitted to tractor wheel is called
Correct : B. Transmission
96. Kinetic energy of raindrop depends on
Correct : D. All are correct
97. Volumetric efficiency of air-cooled engines in comparison to water-cooled engines is
Correct : B. Lower
98. In anaerobic digestion, biogas production by bacterial decomposition is
Correct : B. Absence of oxygen
99. Traction coefficient is maximum in a field when