Quiznetik

Agricultural Engineering | Set 10

1. The spike tooth harrows are used mainly for

Correct : C. Surface finishing

2. In diesel cycle engine heat is added at

Correct : A. Constant pressure

3. Unit of noise is

Correct : B. Decible

4. The firing interval of 2-stroke engine is determined by

Correct : C. 360?/No. of cylinder

5. The most commonly used method for determination of centre of gravity of tractor is

Correct : A. Suspension method

6. Oil rings on the piston are located

Correct : D. Both (a) & (b)

7. Breaking of knives of cutter bar in reaper is due to

Correct : C. Both (a) & (b)

8. An action involve in threshing of crops are

Correct : D. All are correct

9. Lean air fuel mixture is required for

Correct : B. Cruising

10. The specific heat of petrol is nearly

Correct : A. 2.1 KJ/Kg?C

11. The counter weight on a crankshaft is located opposite to

Correct : B. Big end bearing

12. Viscosity measured in

Correct : D. All are correct

13. The knife moves on the

Correct : C. Ledger plate

14. When the bulk density of medium to fine textured subsoil exceeds about 1.7 g/cc the value of hydraulic conductivity of soil is

Correct : A. Low

15. I-head type valves are generally used in

Correct : D. Both (a) & (b)

16. Back furrow and dead furrows are left while ploughing with

Correct : B. Two-way plough

17. For impact cutting, a single element sharp edge requires a velocity of

Correct : B. 10 m/sec

18. A mirror used to reflect sublight in box type solar cooker is

Correct : C. Plane

19. The firing interval of 2-stroke two-cylinder engine is

Correct : B. 360

20. Surface planting with conservation feature of contour listing is

Correct : C. Ridge planting

21. The main advantage of LSU dryer is

Correct : D. All are correct

22. The boiling range of kerosene is

Correct : B. 200 to 300?C

23. The specific gravity of high-speed diesel is

Correct : B. 0.87

24. The permissible slip for crawler tractor during slippage testing is

Correct : B. 7 to 10%

25. Bomb calorimeter is used for determining

Correct : A. Calorific value of fuel

26. A noise level for eight hours of working is

Correct : B. 90 dB

27. In splash erosion the raindrop energy acts in form of

Correct : A. Kinetic energy

28. Runoff coefficient is the ratio of

Correct : B. Runoff to rainfall

29. The intensity of drizzle is

Correct : A. 1.0 mm/h

30. Jointer and coulter are the parts of

Correct : D. MB Plough

31. The forward end of cutting edge that actually penetrates into the soil and cuts the soil is

Correct : A. Share point

32. Range of transmissibility for satisfactory performance is

Correct : A. 0.5 to 0.65

33. Petroleum lubricants are less expensive and suitable for

Correct : B. IC engines

34. A raised left at centre of the strip of land when ploughing is started from center to side is

Correct : C. Back furrow

35. For attaining a raindrop to terminal velocity, the fall height should be

Correct : B. At least 7 m

36. A bullock drawn harrows mostly have

Correct : A. Rigid tynes

37. The dung requirement for a small size of Gobar gas plant per day is

Correct : C. 30 kg

38. Natural dying needs dehumidification if atmospheric humidity is

Correct : D. Exceed 70%

39. The expected annual use of seed-cum-fertilizer drill is

Correct : C. 1200 hours

40. The frequency range of human ear extends from as high as

Correct : C. 20000 Hz

41. Centrifugal governor is directly connected with

Correct : C. Fuel injection pump

42. In single boiling method, paddy is soaked in water for

Correct : C. 24-72 hours

43. Alternator of a tractor engine is driven by

Correct : B. V-belt system

44. In freeze-drying, the liquid phase comes at the pressure above

Correct : D. 4.7 mm

45. The fluctuation of engine speed during a cycle depends upon

Correct : A. Mass of flywheel

46. Grease is used as lubricant in the

Correct : D. Both (b) & (c)

47. One-way plough requires laying out a field land, starting with

Correct : A. Back Furrow

48. In the reaper, a space between knife clips and wearing plate is about

Correct : C. 20-30 cm

49. The tank capacity of airplane duster varies from

Correct : C. 220-900 kg

50. The vertical disc plough is

Correct : C. Both (a) & (b)

51. Tractor operation in lower gear causes

Correct : B. More pull

52. The held typo thresher originated in

Correct : B. Japan

53. A metering mechanism that does not required cut-off device is

Correct : D. All are correct

54. American Petroleum Institute adopted the classification of engine oils in the year

Correct : C. 1952

55. Discharge rate of centrifugal pump varies at

Correct : B. Square of speed

56. In sack drying, a maximum air temperature should be

Correct : C. 43.3?C

57. Of the following, the precision planter is

Correct : C. Dibbler

58. Viscosity of oil is measured in terms of

Correct : A. Its resistance to flow

59. A cutter bar of mower is able to cut grass from ground satisfactory upto a height of

Correct : C. 100 mm

60. Differential lock helps to

Correct : A. Developing full traction in both drive & wheel

61. The soil moisture between field capacity and permanent wilting point is

Correct : C. Available moisture

62. The gas production per unit volume of digester capacity will be maximum when the diameter to depth ratio of digester will be in the range of

Correct : A. 0.66 to 1.00

63. The most common method in irrigated areas and high rainfall areas to improve surface drainage is

Correct : B. Ridge planting

64. In pressurized parboiling, the soaking time of method is about

Correct : C. 40 minutes

65. The saturated flow in soil occurs when

Correct : B. Water is not under tension

66. Spiral separator separates the grains on the basis of

Correct : C. Roundness

67. The percentage of methane in biogas is

Correct : C. 65 per cent

68. Function of carburector is

Correct : D. All are correct

69. The colour of negative plate of lead acid battery is

Correct : B. Grey

70. Of the following, the impact cutting principle is applied in

Correct : C. Both (a) & (b)

71. The part of indigenous plough that helps in stabilizing and blancing the plough while operation is

Correct : B. Shoe

72. A stubble type mould board of MB plough gives

Correct : C. Tharow pulverization

73. A granular structured soil is

Correct : A. Less erodible

74. Solar radiation reaches the earth in the form of

Correct : C. Beam and defuse radiation

75. The high temperature limit for the drying of seed grains is considered as

Correct : D. 80?C

76. For sowing mustard seeds, the most suitable seed drill is

Correct : B. Pneumatic seed drill

77. A spring mass damper system vibrates with

Correct : B. 6 degree of freedom

78. Compression ratio of diesel engine is

Correct : A. 4;1

79. The wet process of biomass digestion involves

Correct : D. Anaerobic digestion and fermentation

80. Variation in engine speed at full load and no load is called

Correct : B. Speed drop

81. The method of ploughing in which the plough works round the strip of ploughed land is

Correct : A. Gathering

82. Farm tractor is

Correct : C. Both (a) & (b)

83. What the stroke: bore rati of an engine increases, the volumetric efficiency of the engine

Correct : A. Decreases

84. The percentage of carbon in medium carbon varies from

Correct : C. 0.25 to 0.5 %

85. The useful life of tractor is

Correct : B. 10,000 hours

86. In rotary knife cutter, a horizontal rotor rotates

Correct : B. 200-900 rpm

87. Brake fluid used in hydraulic brake is a mixture of

Correct : A. Glycerin and alcohol

88. The velocity of flow in open channel is determined by

Correct : A. Darcy's formula

89. Generally tractor speed in the top gear varies from

Correct : C. 18-24 kmph

90. PTO shaft drive taken from engine transmission the speed of PTO will be

Correct : B. Inversely proportional to engine speed

91. Detonation refers to the

Correct : A. Engine knocking

92. The minimum soil manipulation is essential for crop production in

Correct : B. Minimum tillage

93. Primary winding of ignition coil consists of

Correct : B. Thick wire

94. The cutting platform of combine operated at height above ground is

Correct : B. 7.5-9 cm

95. The total swept volume of all pistons during power strokes occurring in one minute is

Correct : C. Displacement volume

96. Capacity of battery is expressed in tenns of

Correct : C. Amp-hour

97. According to colling, the draft of MB plough due to furrow slice is

Correct : A. 34%

98. The width of cut of animal drawn reaper is

Correct : D. 900 mm

99. Chute spillways are used at

Correct : B. Steep slope

100. In tractor engines, a commonly used thermostat valve is

Correct : C. Both (a) & (b)