Quiznetik

Agricultural Engineering | Set 15

1. Cleaning of material is done by

Correct : D. All are correct

2. Biogas is used for

Correct : D. All are correct

3. The area covered by dry land weeder is

Correct : B. 0.2 ha/day

4. Calorific value of biogas is

Correct : D. 4500 Kcal/m3

5. The solar radiation receives from the sun after its direction has been changed is

Correct : B. Diffuse radiation

6. A type lubricator is used in steam engines is

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

7. Critical diameter of clod takes place in the wind erosion is

Correct : B. 0.84 mm

8. An implement that attached to a tractor along hinge axis and controlled directly by tractor steering unit is

Correct : C. Semi mounted implements

9. The main purpose of piston rings is

Correct : D. All are correct

10. Particles less than 0.1 mm diameter is moved by the action of

Correct : A. Suspension

11. In the reaper, whoe is provided with

Correct : B. Each end of cutter bar

12. The condition of soil that determines the optimum condition for tillage is

Correct : C. Crumbly

13. For belt conveying of paddy, the most suitable trough angle is

Correct : C. 20?C

14. The centre of plough load in a single bottom plough is

Correct : C. 7.5 cm to right of shin

15. The belt speed for transportation of grams should not increase by

Correct : A. 3.5 m/s

16. A primary winding wire has resistance of

Correct : C. Three ohms

17. Soil erosion refers to the gross amount of

Correct : A. Soil loss

18. The piston speed of an engine is equal to

Correct : A. 2 LN

19. Chute spillways are constructed at

Correct : A. Gully head

20. Starting motor is engaged with ring gear of engine with the help of

Correct : D. Sliding pinion gear

21. In power-operated sprayer, the pump works at a pressure of

Correct : B. 3-8.5 Kg/cm2

22. Vapour lock is associated with

Correct : C. Fuel supply system

23. The temperature in sun drying corresponding to black body is about

Correct : D. 6000?K

24. The Olpad thresher is mostly used for threshing

Correct : B. Wheat

25. Losses in fruits and vegetables generally varies from

Correct : B. 10-30%

26. Heavy draft of a disc harrow is due to

Correct : D. All are correct

27. The discs mounted on Olpad thresher for threshing are

Correct : C. 20

28. In disc harrow, the penetration of disc improves by

Correct : D. All are correct

29. In petrol engines thermostat valve fully opens at

Correct : C. 82?C

30. In tractor weight transfer is greater when

Correct : C. Pull is higher

31. The capacity of moral type storage structure is about

Correct : B. 3.5 to 18 tonnes

32. Todal power is dissipated by

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

33. Natural air-drying needs dehumidification if the atmospheric humidity exceeds

Correct : C. 70%

34. Maximum noise level from a tractor mear the operator's ear should not exceed

Correct : B. 90dB

35. To convert the point of rainfall value at various stations into an average value over a catchment area is possible by

Correct : D. All are correct

36. In solar furnace temperature can be raised upto

Correct : C. 3000?C

37. The syndicator type thresher is termed as

Correct : D. All are correct

38. Rational formula is only appicable to small size catchments which has an area

Correct : A. Less than 50 km2

39. Battery consists of

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

40. In precision planting, the height of seed drop should be

Correct : A. Close to ground

41. Hammer mill and Burr grinder are used for grinding the

Correct : A. Grain

42. The shape of perforated deck used in specific gravity separator is

Correct : A. Triangular

43. Per hectare application rate of high volume sprayer is

Correct : A. Less than 400 litres

44. A container of battery is made of

Correct : C. Rubber

45. The plough bottom as combined unit consists of

Correct : A. Share, landside, frog and MB

46. The complete path of power from engine to wheel is called

Correct : B. Power train

47. In a tractor centre of gravity is located at

Correct : A. 1/3 of wheelbase ahead of rear axle

48. Manually operated push type harvester is commonly called

Correct : B. Hand dropper

49. A latitude for wave energy in both Northern and Southern Hemispheres is between

Correct : D. 40 and 60?

50. Specific gravity separator works on the principle of

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

51. A machine that cuts the crops and ties them into a knot and uniform sheaves is called

Correct : C. Reaper binder

52. The function of seed drill is

Correct : D. All are correct

53. An oscillatory motion of mechanical system is called

Correct : B. Vibration

54. The specific gravity of gasoline ranges from

Correct : B. 0.70 to 0.78

55. The percent saving of water in bed sowing of wheat as compared to flat sowing is

Correct : D. 40%

56. The API gravity of petrol is

Correct : A. 61

57. A zero till seed-cum-fertilizer drill is designed for sowing

Correct : B. Wheat

58. The type of belt used in bucket elevator is

Correct : D. All are correct

59. Brake mean effective pressure of an engine depends upon its

Correct : C. Torque

60. In line system of injection, the pump used is

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

61. In two-stroke cycle engine, one power stroke is obtained after every

Correct : B. One revolution of crankshaft

62. Tractor brake test should be carried out at speed of

Correct : C. 25 kmph

63. The wire (standard wire gauge used in primary coil is of

Correct : C. 20 SWG

64. The second butterfly valve of carburetor is

Correct : B. Choke

65. Tidal energy is associated with

Correct : C. Sea

66. Air cooling system is generally found in

Correct : A. Single-cylinder engines

67. The radiation of equilibrium relative humidity with moisture content of grain at a particular temperature is expressed by a curve known as

Correct : A. Grain isotherm

68. The disc angle of disc plough influences

Correct : B. Width of cut

69. Specific yield is the property of

Correct : C. Unconfined aquifer

70. The Japanese type rotary thresher used for threshing

Correct : A. Paddy

71. Solar energy can be directly converted into electrical energy, by a method is

Correct : D. All are correct

72. A plough that works effectively in hard, dry and sticky soil is

Correct : B. Disc plough

73. The disc force into the ground by

Correct : D. Weight

74. In case of raw rice, the average yield obtained from huller is

Correct : B. 56%

75. The two-way plough are designed to turn furrow slices to

Correct : B. Only right

76. The bearing used on disc harrows are

Correct : D. All are correct

77. The frequency range of human ear extends from as low as

Correct : B. 16 Hz

78. A 24-litre capacity bucket is filled in 12 seconds by the discharge of Persian wheel, then the rate of flow is

Correct : C. 120 lit/min

79. In air-cooled engine, purpose of fans is to

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

80. The separation of grain in magnetic separator is carried out on the basis of

Correct : B. Surface texture

81. Gaskets are made of

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

82. In oil extraction unit, the most commonly used solvent is

Correct : A. n-hexane

83. Which would be more effective for erosion

Correct : A. Combination of crops, trees and livestock

84. Percentage of endosperm in the paddy

Correct : B. 70-72%

85. The blade used for harvesting in rotary power scythe is

Correct : B. Aserrated disc

86. Hill-type bench terraces are the

Correct : A. Terraces with reverse grade towards hill

87. In pressurized parboiling method, the temperature of soaking water is about

Correct : A. 75?C - 80?C

88. Crushers are reducing the size of grains by

Correct : A. Squeezing and pressing

89. Clutch works on principle of

Correct : A. Friction

90. Self-propelled combine harvester is provided with

Correct : C. Diesel engine

91. The volatility of fuel effects

Correct : C. Speed of engine

92. The procedure of testing seed drill for correct seed rate is

Correct : B. Calibration

93. The furrow opener used in black cotton soil is

Correct : D. Hoe type

94. Electrolyte is consists of

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

95. When knife and pitman run in a straight line, then cutter bar is in

Correct : C. Proper alignment

96. Working temperature of petrol engine ranges from

Correct : B. 82-88?C

97. The plough used for deep ploughing is

Correct : B. Standard disc plough

98. In vertical disc plough, the numbers of disc varies from

Correct : C. 2?32

99. Friction clutch is most commonly used in

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

100. The cotton stripper is used for

Correct : C. Harvesting tuber crop