2. The percent of edible oil in rice bran is about
Correct : C. 18-20
3. Viscosity of oil expressed at two temperatures is
Correct : A. ?18?C and 99?C
4. The rising limb of a hydrograph is also known as
Correct : B. Concentration curve
5. The indicated horsepower of an engine was measured by
Correct : C. Indicator
6. A geological formation which is neither porous nor permeable and there are no interconnected openings hence it cannot transmit water is called
Correct : C. Aquifuge
7. In angle bar cylinder type thresher, the clearance between cylinder and concave unit at the end
Correct : D. 6-9 mm
8. A seed drill of size 10 x 20 cm has seed drop in one revolution is 40 gram. The area covered by seed drill in one revolution 9.42 m2. The seed rate (kg/h) is
Correct : B. 22 K
9. ML-light servvice, MM. medium service and MS- severe service are service classes for the
Correct : A. SI engines
10. A device that is used to adjust the lateral movement of plough is
Correct : D. Horizontal clevis
11. The variation in engine speed is observed at full load and no load is approximate
Correct : A. 100 rpm
12. The specific gravity of fuel is measured by
Correct : C. Hydrometer
13. In disc plough, the angle at which the plane of cutting edge of disc is inclined to the vertical line is
Correct : B. Tilt angle
14. Melting point of aluminium is about
Correct : C. 660?C
15. The arrangements of valves used in the engine may be
Correct : D. All are correct
16. Primary coil has
Correct : A. Small number of turns of heavy wire
17. The device that permits one of the rear wheels of tractor to rotate faster than the other at the turning is called
Correct : C. Differential lock
18. If the pH range of slurry is between 4 and 6 the slurry is
Correct : A. Acidic
19. A hydrograph produced by a continuous effective rainfall at a constant rate for an infinite period is known as
Correct : A. S-hydrograph
20. The material that is left by te harvesting machine in row is
Correct : A. Swath
21. Gully erosion is the advance stage of
Correct : C. Rill erosion
22. Cetane rating of commercial diesel fuel is
Correct : A. 30-60
23. Positive plate of lead-acid battery is made of
Correct : A. PbO2
24. F-type valves are used in engines has
Correct : A. Pre-combustion chamber
25. The quantity of gas produced by one kg of dry dung is about
Correct : D. 0.186 m3
26. Engine requires overhauling in case of
Correct : C. Both (a) & (b)
27. A rotary power scythe is operated by
Correct : D. Human
28. Thermostat valve begins open at
Correct : A. 70-75?C
29. A time required by parboiled rice to attain same level of softness in cooking needs for as compared to raw rice is
Correct : B. Double
30. Valve timing diagram is a function of
Correct : B. Engine speed
31. The optimum moisture content (wb) for wheat harvesting is
Correct : C. 16-18%
32. The group of number of discs that is mounted on a gang axle is
Correct : A. Gang
33. For air bone sounds the reference sound pressure is
Correct : B. 0.00002 N/m2
34. If strokes bore ratio increases then thermal efficiency
Correct : B. Increses
35. Rainfall intensity is the ratio of
Correct : B. Rainfall amount to time
36. Broad base terrace is also known as
Correct : C. Drainage type terrace
37. Which of the following instruments is connected with stream flow measurement?
Correct : D. All are correct
38. In richest mixture the air fuel ratio is about
Correct : B. 8;1
39. Forward speed of crawler tractor is restricted to about
Correct : D. Both (b) & (c)
40. The density of wheat is about
Correct : B. 998-1238 kg/m3
41. In MB plough, a small irregular piece of metal has similar shape to ordinary plough bottom is
Correct : A. Jointer
42. Swirl plate is a part of
Correct : B. Cone nozzle
43. Front wheel of tractor is smaller than rear wheel that helps
Correct : C. Sharp turning
44. The speed of roller in huller mill is
Correct : B. 600-900 rpm
45. The value of angle of repose for wheat is between
Correct : B. 23-28 degree
46. The moisture tension of a soil at permanent wilting point ranges from
Correct : C. 7 to 32 atm
47. Tractive efficiency is affected by
Correct : D. All are correct
48. In forced circulation system, a thermostat valve is placed at
Correct : A. Forward end of cylinder head
49. The anti-knock quality of petrol fuel is determined by
Correct : B. Octane number
50. The equipment that has no driven/moving component is
Correct : C. Implemented
51. The application of Darcy's Law is limited by the condition that flow through the porous medium must be
Correct : A. Laminar
52. A gang mower is a group of
Correct : A. Two cylincrical mower
53. The furrow opener used for planting cotton seeds in areas where the uncertainty of favourable weather for germination is
Correct : A. Variable depth furrow opener
54. The expected life and useful hours of cultivator is
Correct : B. 12 years, 3000 hours
55. The main objective of tillage is
Correct : D. All are correct
56. A tractor-drawn harrow mostly has
Correct : B. Flexible tynes
57. The camshaft in an engine is always mounted
Correct : C. Parallel to the crankshaft
58. The device used to sow seeds, which are larger in size and cannot be sown by usual seed drill is
Correct : A. Planter
59. Amount of liquid that a man can spray in a day is
Correct : D. 90 litres liquid
60. The power of engine transmitted to rear wheel of tractor is connected and disconnected by
Correct : B. Clutch
61. In six cylinder in-line engine, the power impulse occurs after every
Correct : D. 120 of crankshaft rotation
62. The threshing efficiency of thresher depends on
Correct : D. All are correct
63. Angle between centre line of kingpin of trctor and vertical line is called
Correct : C. Caster angle
64. The horizontal component of pull perpendicular to the direction of travel is
Correct : C. Side draft
65. R' pocket type disc separators are used for separation of
Correct : A. Broken rice from whole rice
66. Planters are used for sowing
Correct : B. Bolder seeds
67. Insecticide capsule are used at
Correct : D. All are correct
68. An instrument used for measuring the solar radiation is
Correct : B. Pyrheliometer
69. In disc harrow, a device used to provide a distance between two discs mounted on same gang axle is
Correct : C. Spool
70. In drizzle the size of droplet is
Correct : A. Less than 0.5 mm
71. The pressure of radiator cap is about
Correct : A. 0.3 to 0.4 kg/cm2
72. A pounding method of rice milling requires
Correct : C. Human power
73. In comparison to raw rice bran, parboiled rice bran contains
Correct : A. Less starch and more oil
74. The MB plough works on the principle of
Correct : C. Suction
75. Crop management system reduces the
Correct : C. Both (a) & (b)
76. For biological materials, the relationship between EMC and RH has been given by
Correct : C. Henderson
77. The compression ratio of petrol engine is
Correct : A. 4 to 8:1
78. The most relevant flow to cause soil erosion is
Correct : C. Turbulent flow
79. Traction can be be increased by
Correct : D. All are correct
80. A ten human power equals to
Correct : C. 1.0 hp
81. A rotary cutter has knives to rotate in
Correct : B. Horizontal plane
82. The battery used on tractor consists of
Correct : A. Three or six cell
83. Tractor seat suspension should have its natural frequency of
Correct : B. 0.5 to 2.0 cycles per second
84. The specific heat (Kcal/kg?C) of grains ranges from
Correct : C. 0.35-0.45
85. The inlet valve of four-stroke engine opens at
Correct : A. 5" before TDC
86. Spark advance is associated to
Correct : C. High sped engine
87. General formula of armatics is
Correct : B. Cn H2n-6
88. Heat flow in the ground is measured in bore holes to a depth of about
Correct : D. 100 metres
89. A two-way plough left field nearly level for
Correct : A. Drainage and Irrigation
90. If diesel fuel contains high sulphur content the best class of lubricating oil for use is
Correct : A. DS lubricating oil
91. Ignition circuit gets current from the
Correct : B. Battery
92. To and fro motion of piston is converted to
Correct : B. Rotary motion
93. A cultivar wholw tynes swings back when obstacle encounter is
Correct : B. Spring type cultivator
94. Lublication reduces
Correct : D. All are correct
95. In reaper, lead generally recommended for alignment purpose is of
Correct : C. 2 cm per metre length
96. S disc harrow with four gangs in which set of two gangs follow behind the set of other two gang is