Quiznetik
Agricultural Engineering | Set 15
1. Cleaning of material is done by
A. Washing
B. Screening
C. Handpicking
D. All are correct
Correct : D. All are correct
2. Biogas is used for
A. Cooking food
B. Operating engine
C. Burning gas stove
D. All are correct
Correct : D. All are correct
3. The area covered by dry land weeder is
A. 0.1 ha/day
B. 0.2 ha/day
C. 0.3 ha/day
D. 0.4 ha/day
Correct : B. 0.2 ha/day
4. Calorific value of biogas is
A. 450 Kcal/m3
B. 1000 Kcal/m3
C. 3000 Kcal/m3
D. 4500 Kcal/m3
Correct : D. 4500 Kcal/m3
5. The solar radiation receives from the sun after its direction has been changed is
A. Beam radiation
B. Diffuse radiation
C. Direct radiation
D. All are correct
Correct : B. Diffuse radiation
6. A type lubricator is used in steam engines is
A. Siphon type
B. Hydrostatic type
C. Mechanically operator lubricator
D. Both (b) & (c)
Correct : D. Both (b) & (c)
7. Critical diameter of clod takes place in the wind erosion is
A. 0.50 mm
B. 0.84 mm
C. 0.10 mm
D. 100 mm
Correct : B. 0.84 mm
8. An implement that attached to a tractor along hinge axis and controlled directly by tractor steering unit is
A. Trailed implements
B. Mounted implements
C. Semi mounted implements
D. All are correct
Correct : C. Semi mounted implements
9. The main purpose of piston rings is
A. To control combustion pressure
B. To control cylinder wall librication
C. To drain out excessive oil
D. All are correct
Correct : D. All are correct
10. Particles less than 0.1 mm diameter is moved by the action of
A. Suspension
B. Saltation
C. Surface creep
D. None of these
Correct : A. Suspension
11. In the reaper, whoe is provided with
A. One end of cutter bar
B. Each end of cutter bar
C. Middle of cutter bar
D. Each knife of cutter bar
Correct : B. Each end of cutter bar
12. The condition of soil that determines the optimum condition for tillage is
A. Plastic
B. Hard
C. Crumbly
D. Cemented
Correct : C. Crumbly
13. For belt conveying of paddy, the most suitable trough angle is
A. 10?C
B. 15?C
C. 20?C
D. 25?C
Correct : C. 20?C
14. The centre of plough load in a single bottom plough is
A. 7.5 cm to left of shin
B. At the shin
C. 7.5 cm to right of shin
D. None of these
Correct : C. 7.5 cm to right of shin
15. The belt speed for transportation of grams should not increase by
A. 3.5 m/s
B. 4.5 m/s
C. 5.0 m/s
D. 6.5 m/s
Correct : A. 3.5 m/s
16. A primary winding wire has resistance of
A. One ohm
B. Two ohms
C. Three ohms
D. Four ohms
Correct : C. Three ohms
17. Soil erosion refers to the gross amount of
A. Soil loss
B. Sediment yield
C. Both (a) and (b)
D. None of these
Correct : A. Soil loss
18. The piston speed of an engine is equal to
A. 2 LN
B. ALN
C. 4 LN
D. None of these
Correct : A. 2 LN
19. Chute spillways are constructed at
A. Gully head
B. Along the gully bed
C. Both (a) & (b)
D. None of these
Correct : A. Gully head
20. Starting motor is engaged with ring gear of engine with the help of
A. Bevel gear
B. Helical gear
C. Pinion gear
D. Sliding pinion gear
Correct : D. Sliding pinion gear
21. In power-operated sprayer, the pump works at a pressure of
A. 2-5 Kg/cm2
B. 3-8.5 Kg/cm2
C. 4-12 Kg/cm2
D. 5-15 Kg/cm2
Correct : B. 3-8.5 Kg/cm2
22. Vapour lock is associated with
A. Ignition system
B. Cooling system
C. Fuel supply system
D. Ignition system
Correct : C. Fuel supply system
23. The temperature in sun drying corresponding to black body is about
A. 3000?K
B. 4000?K
C. 5000?K
D. 6000?K
Correct : D. 6000?K
24. The Olpad thresher is mostly used for threshing
A. Paddy
B. Wheat
C. Oil seeds
D. All are correct
Correct : B. Wheat
25. Losses in fruits and vegetables generally varies from
A. 1-10%
B. 10-30%
C. 30-40%
D. 40-50%
Correct : B. 10-30%
26. Heavy draft of a disc harrow is due to
A. Blunt disc
B. Furrow too wide
C. Loose bearing
D. All are correct
Correct : D. All are correct
27. The discs mounted on Olpad thresher for threshing are
A. 10
B. 15
C. 20
D. 25
Correct : C. 20
28. In disc harrow, the penetration of disc improves by
A. Increasing disc angle
B. Lowering hitch point
C. Regulating optimum speed
D. All are correct
Correct : D. All are correct
29. In petrol engines thermostat valve fully opens at
A. 72?C
B. 78?C
C. 82?C
D. 85?C
Correct : C. 82?C
30. In tractor weight transfer is greater when
A. Speed is greater
B. Speed is less
C. Pull is higher
D. All are correct
Correct : C. Pull is higher
31. The capacity of moral type storage structure is about
A. 2.5 to 15 tonnes
B. 3.5 to 18 tonnes
C. 4.5 to 20 tonnes
D. 5 to 25 tones
Correct : B. 3.5 to 18 tonnes
32. Todal power is dissipated by
A. Friction
B. Eddies current
C. Both (a) & (b)
D. None of these
Correct : C. Both (a) & (b)
33. Natural air-drying needs dehumidification if the atmospheric humidity exceeds
A. 30%
B. 50%
C. 70%
D. 80%
Correct : C. 70%
34. Maximum noise level from a tractor mear the operator's ear should not exceed
A. 85 dB
B. 90dB
C. 95 dB
D. 100 dB
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
A. Arithmetical-mean method
B. Thiessen-polygon methon
C. Isohyetal method
D. All are correct
Correct : D. All are correct
36. In solar furnace temperature can be raised upto
A. 1000?C
B. 20000?C
C. 3000?C
D. 4000?C
Correct : C. 3000?C
37. The syndicator type thresher is termed as
A. Hammer mill type thresher
B. Rasp bar type thresher
C. Chaff cylinder type thresher
D. All are correct
Correct : D. All are correct
38. Rational formula is only appicable to small size catchments which has an area
A. Less than 50 km2
B. More than 50 km2
C. Less than 5000 km2
D. More than 5000 km2
Correct : A. Less than 50 km2
39. Battery consists of
A. Positive plate
B. Negative plate
C. Both (a) & (b)
D. None of these
Correct : C. Both (a) & (b)
40. In precision planting, the height of seed drop should be
A. Close to ground
B. At least 50 cm from ground
C. More than 50 cm from ground
D. None of these
Correct : A. Close to ground
41. Hammer mill and Burr grinder are used for grinding the
A. Grain
B. Oil seed
C. Pulse
D. All are correct
Correct : A. Grain
42. The shape of perforated deck used in specific gravity separator is
A. Triangular
B. Rectangulr
C. Circular
D. Hexagonal
Correct : A. Triangular
43. Per hectare application rate of high volume sprayer is
A. Less than 400 litres
B. 400 litres
C. More than 400 litres
D. None of these
Correct : A. Less than 400 litres
44. A container of battery is made of
A. Steel
B. Cast iron
C. Rubber
D. Plastic
Correct : C. Rubber
45. The plough bottom as combined unit consists of
A. Share, landside, frog and MB
B. Coulter, jointer and frog
C. Beam, handle and MB
D. None of these
Correct : A. Share, landside, frog and MB
46. The complete path of power from engine to wheel is called
A. Power system
B. Power train
C. Gear unit
D. All are correct
Correct : B. Power train
47. In a tractor centre of gravity is located at
A. 1/3 of wheelbase ahead of rear axle
B. 2/3 of wheelbase ahead of rear axle
C. 1/4 of wheelbase ahead of rear axle
D. All are correct
Correct : A. 1/3 of wheelbase ahead of rear axle
48. Manually operated push type harvester is commonly called
A. Reaper
B. Hand dropper
C. Sickle
D. None of these
Correct : B. Hand dropper
49. A latitude for wave energy in both Northern and Southern Hemispheres is between
A. 10 and 20?
B. 20 and 30?
C. 30% and 50?
D. 40 and 60?
Correct : D. 40 and 60?
50. Specific gravity separator works on the principle of
A. Characteristics of grain to flow down over an inclined surface
B. Flotation of the particles due to upward movement of air
C. Both (a) and (b)
D. None of these
Correct : C. Both (a) and (b)
51. A machine that cuts the crops and ties them into a knot and uniform sheaves is called
A. Combine
B. Reaper
C. Reaper binder
D. All are correct
Correct : C. Reaper binder
52. The function of seed drill is
A. To carry seeds
B. To meter seeds
C. To deposit seeds in furrow
D. All are correct
Correct : D. All are correct
53. An oscillatory motion of mechanical system is called
A. Noise
B. Vibration
C. Both (a) & (b)
D. None of these
Correct : B. Vibration
54. The specific gravity of gasoline ranges from
A. 0.70 to 0.72
B. 0.70 to 0.78
C. 0.72 to 0.82
D. 0.72 to 0.92
Correct : B. 0.70 to 0.78
55. The percent saving of water in bed sowing of wheat as compared to flat sowing is
A. 10%
B. 20%
C. 30%
D. 40%
Correct : D. 40%
56. The API gravity of petrol is
A. 61
B. 65
C. 70
D. 80
Correct : A. 61
57. A zero till seed-cum-fertilizer drill is designed for sowing
A. Paddy
B. Wheat
C. Potato
D. Vegetable
Correct : B. Wheat
58. The type of belt used in bucket elevator is
A. Duck type
B. Solid woven cotton
C. Striched canvas type
D. All are correct
Correct : D. All are correct
59. Brake mean effective pressure of an engine depends upon its
A. Speed
B. Power
C. Torque
D. All are correct
Correct : C. Torque
60. In line system of injection, the pump used is
A. Constant stroke type
B. Lapped-plunger type
C. Both (a) & (b)
D. None of these
Correct : C. Both (a) & (b)
61. In two-stroke cycle engine, one power stroke is obtained after every
A. Half revolution of crankshaft
B. One revolution of crankshaft
C. Two revolution of crankshaft
D. Three revolution of crankshaft
Correct : B. One revolution of crankshaft
62. Tractor brake test should be carried out at speed of
A. 15 kmph
B. 20 kmph
C. 25 kmph
D. All are correct
Correct : C. 25 kmph
63. The wire (standard wire gauge used in primary coil is of
A. 10 SWG
B. 15 SWG
C. 20 SWG
D. 25 SWG
Correct : C. 20 SWG
64. The second butterfly valve of carburetor is
A. Carburetor
B. Choke
C. Plug
D. All are correct
Correct : B. Choke
65. Tidal energy is associated with
A. Wind
B. Sun
C. Sea
D. None of these
Correct : C. Sea
66. Air cooling system is generally found in
A. Single-cylinder engines
B. Multi-cylinder engines
C. Both (a) & (b)
D. None of these
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
A. Grain isotherm
B. Relative humidity
C. Equilibrium moisture content
D. All are correct
Correct : A. Grain isotherm
68. The disc angle of disc plough influences
A. Depth of cut
B. Width of cut
C. Both (a) & (b)
D. None of these
Correct : B. Width of cut
69. Specific yield is the property of
A. Confined aquifer
B. Semi confined aquifer
C. Unconfined aquifer
D. All are correct
Correct : C. Unconfined aquifer
70. The Japanese type rotary thresher used for threshing
A. Paddy
B. Wheat
C. Sunflower
D. Safflower
Correct : A. Paddy
71. Solar energy can be directly converted into electrical energy, by a method is
A. Thermoelectric
B. Thermionic
C. Magneto hydrodynamic
D. All are correct
Correct : D. All are correct
72. A plough that works effectively in hard, dry and sticky soil is
A. Mould board plough
B. Disc plough
C. Harrow plough
D. Indigenous plough
Correct : B. Disc plough
73. The disc force into the ground by
A. Suction
B. Slicing
C. Scouring
D. Weight
Correct : D. Weight
74. In case of raw rice, the average yield obtained from huller is
A. 52%
B. 56%
C. 60%
D. 65%
Correct : B. 56%
75. The two-way plough are designed to turn furrow slices to
A. Right and left
B. Only right
C. Only left
D. All are correct
Correct : B. Only right
76. The bearing used on disc harrows are
A. Ball bearing
B. Taper roller bearing
C. Wooden bearing
D. All are correct
Correct : D. All are correct
77. The frequency range of human ear extends from as low as
A. 10 Hz
B. 16 Hz
C. 20 Hz
D. None of these
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
A. 2 lit/min
B. 20 lit/min
C. 120 lit/min
D. None of these
Correct : C. 120 lit/min
79. In air-cooled engine, purpose of fans is to
A. Increase contact area
B. Cooling the engine
C. Both (a) & (b)
D. None of these
Correct : C. Both (a) & (b)
80. The separation of grain in magnetic separator is carried out on the basis of
A. Specific gravity
B. Surface texture
C. Roundness
D. Relative length
Correct : B. Surface texture
81. Gaskets are made of
A. Copper
B. Asbestos
C. Fibre
D. Both (a) & (b)
Correct : D. Both (a) & (b)
82. In oil extraction unit, the most commonly used solvent is
A. n-hexane
B. n-heptane
C. Nepthene
D. All are correct
Correct : A. n-hexane
83. Which would be more effective for erosion
A. Combination of crops, trees and livestock
B. Combination of crop and livestock
C. Combination of trees and livestock
D. None of these
Correct : A. Combination of crops, trees and livestock
84. Percentage of endosperm in the paddy
A. 68-70%
B. 70-72%
C. 72-74%
D. 74-78%
Correct : B. 70-72%
85. The blade used for harvesting in rotary power scythe is
A. A plane blade
B. Aserrated disc
C. Both (a) & (b)
D. None of these
Correct : B. Aserrated disc
86. Hill-type bench terraces are the
A. Terraces with reverse grade towards hill
B. Terraces with reverse grade outside the hill
C. Level bench terrace
D. None of these
Correct : A. Terraces with reverse grade towards hill
87. In pressurized parboiling method, the temperature of soaking water is about
A. 75?C - 80?C
B. 80?C - 85?C
C. 85?C - 90?C
D. 90?C - 95?C
Correct : A. 75?C - 80?C
88. Crushers are reducing the size of grains by
A. Squeezing and pressing
B. Impact and crushing
C. Impact and shearing
D. Shearing and crushing
Correct : A. Squeezing and pressing
89. Clutch works on principle of
A. Friction
B. Cohesion
C. Adhesion
D. All are correct
Correct : A. Friction
90. Self-propelled combine harvester is provided with
A. Powering engine
B. Petrol engine
C. Diesel engine
D. Kerosene engine
Correct : C. Diesel engine
91. The volatility of fuel effects
A. Efficiency of engine
B. Power of engine
C. Speed of engine
D. All are correct
Correct : C. Speed of engine
92. The procedure of testing seed drill for correct seed rate is
A. Metering
B. Calibration
C. Calculation
D. None of these
Correct : B. Calibration
93. The furrow opener used in black cotton soil is
A. Disc type
B. Shoe type
C. Reversible shovel type
D. Hoe type
Correct : D. Hoe type
94. Electrolyte is consists of
A. Sulphuric acid
B. Distilled water
C. Both (a) & (b)
D. None of these
Correct : C. Both (a) & (b)
95. When knife and pitman run in a straight line, then cutter bar is in
A. Proper registration
B. Improper registration
C. Proper alignment
D. Improper alignment
Correct : C. Proper alignment
96. Working temperature of petrol engine ranges from
A. 71-82?C
B. 82-88?C
C. 75-80?C
D. None of these
Correct : B. 82-88?C
97. The plough used for deep ploughing is
A. MB plough
B. Standard disc plough
C. Vertical disc plough
D. None of these
Correct : B. Standard disc plough
98. In vertical disc plough, the numbers of disc varies from
A. 2?12
B. 2?22
C. 2?32
D. 2?42
Correct : C. 2?32
99. Friction clutch is most commonly used in
A. Two wheel drive tractor
B. Four wheel drive tractor
C. Both (a) & (b)
D. None of these
Correct : C. Both (a) & (b)
100. The cotton stripper is used for
A. Pod picking
B. Ginning
C. Harvesting tuber crop
D. Threshing
Correct : C. Harvesting tuber crop