Quiznetik

Agricultural Engineering | Set 8

1. Gear drive is recommended when two shafts are

Correct : A. Close

2. Plate of burr grinder is made of

Correct : D. Chilled iron

3. The tripping method of threshing is used for

Correct : B. Paddy

4. The dibbling method of sowing reduces seed rate by

Correct : B. 1/3rd

5. In cup food metering device, the seed rate is controlled by

Correct : C. Size of cups

6. Splash erosion takes place when rainfall intensity exceeds the

Correct : A. Infiltration rate

7. In hummer mill, the force applied on grains is cut by

Correct : B. Impact

8. In artesian aquifer, te imaginary surface representing artesian pressure is

Correct : D. Piezometric surface

9. Dry talc powder required to add to rice by weight of

Correct : A. 1-1.2 %

10. The temperature for gelatinization is about

Correct : B. 70?C

11. In vertical conveyer reaper, crop is held in vertical position with the help of

Correct : B. Springs

12. General formula of Nphthenes is

Correct : A. CnH2n

13. The maximum size of rain drops about

Correct : C. 6 mm

14. In disc plough, the angle at which the plane of cutting edge of disc is inclined to the direction of travel

Correct : A. Disc angle

15. Two wind mills equivalent to

Correct : A. 1.0 hp

16. Positive plate of battery is made of

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

17. Excessive oil consumption in engines is due to

Correct : B. Excess going of oil into combustion chamber

18. A gear used in the tractor hydraulic system normally is

Correct : D. Spur type

19. The carburetor of an engine is used to mix fuel with

Correct : A. Air

20. Negative plate of battery is made of

Correct : A. Spongy Lead

21. Average body surface area of a man will be

Correct : C. 2.0 m2

22. The velocity required to operate wind mill is more than

Correct : B. 10 km ph

23. The solid cone nozzle is used for

Correct : A. Weedicides application

24. The piston skirt clearance at room temperature is

Correct : B. 0.04 mm

25. In lead acid battery, percentage of sulphuric acid is about

Correct : A. 35%

26. The size of most common type burr grinder is

Correct : B. 30 cm diameter

27. Ignition delay of low-speed engine

Correct : B. 0.002 second

28. The storage life of non-perishable fruits exceed by

Correct : C. 12 weeks

29. If the viscosity of fluid is high then flow will be

Correct : B. Slowly

30. For harvesting of agricultural crops most widely used element action is

Correct : B. Two element scissors action

31. The speed of high-speed engine

Correct : D. More than 1000 rpm

32. Power tiller operates most satisfactorily with

Correct : A. Rotary tools

33. In hydraulic press ghani, the percent oil loss (left in cake) is

Correct : B. 7-8%

34. A hrrow whose tynes swing back when obstacle encountered is

Correct : B. Spring tyne harrow

35. In manual harvesting, a man-hour needed to harvest one dectare of paddy is about

Correct : C. 170-200

36. Multiple disc type clutches are mostly used in

Correct : B. Crawler tractor

37. In batch type or the maximum drying air temperature is

Correct : D. 45?C

38. The capillary water is held between tensions of about

Correct : B. 31 atm

39. A geological formation through which only seepage is possible is called

Correct : B. Aquitard

40. Of the following, which are the primary tillage implements?

Correct : B. Chisel plough and subsoiler

41. Rice yield can be increased with improved mechanical drying method by

Correct : C. 2%

42. Land shaping becomes necessary where often the following implement is used

Correct : B. 5-10 cm

43. A pump used in force feed lubricating system is

Correct : D. All are correct

44. The output capacity of treading with bullock is

Correct : B. 120 kg/h

45. Advantages of swinging drawbar is

Correct : D. All are correct

46. The work of accumulator is

Correct : B. To keep constant pressure

47. A bearing used in belt conveyor is

Correct : B. Antifriction

48. The (dismeter) of disc used in Olpad thresher for threshing is

Correct : D. 45 cm

49. The gasket sealing is the most difficult problem at

Correct : A. Head

50. An implement that fully supported by the tractor is

Correct : B. Mounted implement

51. The process of removal of burnt gases from the engine cylinder is

Correct : A. Scavenging

52. A contracted trapezoidal weir in which each side of the notch has a slope of horizontal 1 to 4 vertical is

Correct : B. Cipoletti weir

53. Control of gully erosion can be achieved by sue of

Correct : D. None of these

54. BHP of the engine indicates

Correct : B. Power on flywheel

55. The capillary rise of the dry range of soil moisture content is

Correct : B. Much slower than wet range

56. Oil filters are made of

Correct : D. All are correct

57. Angle of repose for paddy ranges between

Correct : C. 30-45 degree

58. The IHP of an engine is always

Correct : B. More than BHP

59. Starting motor consists of

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

60. Essential feature of good clutch is

Correct : D. All are correct

61. Diesel engine is

Correct : A. Compression ignition engine

62. The specific heat of diesel is nearly

Correct : B. 1.9 KJ/Kg?C

63. In constant mesh transmission system, the gear used to control the noise is

Correct : C. Helical gear

64. Kinetic energy of raindrop depends on

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

65. Spline shafts are used when the torque transmission is in

Correct : B. Large amount

66. The hand operated compressed air sprayer utilizing the pressure from

Correct : B. 1.75-5.0 kg/cm2

67. A reflector used in solar power plant to reflect sunlight is

Correct : B. Concave reflector

68. The clearance volume is the volume of air or mixture left in the cylinder when piston is at

Correct : B. TDC

69. When brake is applied the kinetic energy of body is converted into

Correct : B. Heat energy

70. Nozzle spacing on boom is governed by

Correct : D. All are correct

71. Revolution of an engine (engine speed) is measured by

Correct : A. Tachometer

72. In power thresher, a semi-circular disc is inserted between cylinder and straw thrower to achieve

Correct : A. Higher threshing efficiency

73. The number of winding in the stator of alternator is

Correct : C. 3

74. Friction plate is part of

Correct : A. Clutch

75. Wind is a source of

Correct : A. Inexhaustible energy

76. The capacity of thermal dryer depends on the

Correct : C. Rate of heat and mass transfer

77. An angular distance of the sunrays north (or south) of the equator is

Correct : C. Declination

78. A wooden pitman is generally used in

Correct : B. Mower

79. The optimum moisture content (wb) for paddy harvesting is

Correct : D. 20-22%

80. For air-drying the recommended normal air temperature is

Correct : B. 40-50?C

81. The speed of hammer tip of a Rietz mill varies from

Correct : B. 5.2-111 m/s

82. Denudation rate is expressed in the unit of

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

83. The cutter bar used in cutting unit of combine is

Correct : A. Mower type

84. Coefficient of traction is defined as

Correct : C. Ratio of drawbar pull to dynamic loads

85. A group of solar cell is

Correct : B. Solar panel

86. The capacity of tractor-operated vertical conveyer reaper is about

Correct : A. 0.2-0.4 ha/h

87. Contour trenching is done mainly in

Correct : A. Low rainfall areas for moisture conservation

88. Thermal conductivity of air is

Correct : B. 0.02 Kcal/mhr. ?C

89. The power produced from a wind speed 6.4 to 37 km ph by windmill varies from

Correct : B. 0.1 to 0.9 hp

90. USLE was developed for

Correct : C. American condition

91. The lowest temperature at which fuel begins to crystallize is

Correct : C. Cloud point

92. Two bullocks weighing 750 Kg each are pulling an implement with speed of 2 km/h. The hp that required pulling an implenment is

Correct : A. 1.11 hp

93. Maximum torque in a tractor is generated at

Correct : B. Less than rated rpm

94. A type of cylinders used on power wheat threshers is

Correct : C. Spike tooth and hammer mill

95. A vertical between the projection of the sun's rays on the horizontal plane and direction of sun's rays is

Correct : B. Solar altitude

96. Wind erosion is more in

Correct : B. Non-cohesive soils

97. A steam engine is an

Correct : C. External combustion engine

98. Gravity test is done by using the

Correct : B. Hygrometer

99. The planters are suitable for maintaining distance between

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

100. The primary purpose of ring expander is to

Correct : A. Make up for cylinder, wear