AGRICULTURAL ENGINEERING- PAGE 1
AGRICULTURAL ENGINEERING MCQS
1. Annual depreciation of a machine is included in
(a) Fixed cost (b) Variable cost (c) Hiring cost (d) None of the above
Ans: A
2. The size of an M.B. plough is expressed in terms of its
(a) Width of cut (b) Length of share (c) Depth of cut (d) None of the above
Ans: A
3. Which one from the below is a multipurpose tool ?
(a) Indigenous plough (b) M.B. Plough (c) Cultivator (d) Multipurpose tool bar carrier
Ans: D
4. Which type of seed drill is mostly used in our country ?
(a) Cup feed type (b) Variable orifice type (c) Disc type (d) Flutted roller type
Ans: D
5. A power tiller is most suited for
(a) Transport work (b) Stationary operation (c) Rotary cultivation (d) None of the above
Ans: C
6. An olpad thresher is operated
(a) by a tractor (b) by a pair of bullocks (c) by an electric motor (d) manually
Ans: B
7. Application rate of sprayer is affected by
(a) Rate of discharge (b) Number of nozzle (c) Forward speed (d) All of the above
Ans: D
8. Reaper is used for
(a) land preparation (b) sowing (c) harvesting (d) threshing
Ans: C
9. Farming operation which requires maximum energy :
(a) Harvesting (b) Interculture (c) Sowing (d) Tillage
Ans: D
10. Puddling is done to
(a) Reduce percolation of water (b) Level the field (c) Kill weeds (d) Increase percolation of water
Ans: A
11. One hectare equals to
(a) 100 sq. m (b) 1000 sq. m (c) 10000 sq. m (d) 100000 sq. m
Ans: C
12. Vertical suction of a plough influences
(a) Pulverization (b) Depth of cut (c) Width of cut (d) Direction of pull
Ans: B
13. Two primary tillage equipment are
(a) Mould board plough and disc harrow (b) Disc plough and disc harrow (c) Disc harrow and cultivator (d) M.B. plough and sub-soiler
Ans: D
14. The size of a seed drill is expressed by
(a) working capacity (b) No. of furrow opener (c) spacing between furrow opener (d) No. of furrow opener and spacing between them
Ans: D
15. Increasing the cylinder speed results in
(a) increase threshing efficiency (b) increase seed damage (c) reduce cylinder loss (d) All of the above
Ans: D
16. Tilt angle in a disc plough varies from
(a) 5 – 10 degree (b) 10 – 15 degree (c) 15 – 25 degree (d) 25 – 30 degree
Ans: C
17. An indigenous plough is
(a) a secondary tillage implement (b) a wet-land puddler (c) a multi-purpose implement (d) a primary tillage implement
Ans: D
18. Gears are used for
(a) changing the speed of rotation (b) changing direction of shafting (c) changing direction of rotation (d) All of the above
Ans: D
19. Which of the following tractor has the air cooled engine ?
(a) Eicher (b) HMT (c) Mahindra (d) Ford
Ans: A
20. Inflation pressure of front wheels of tractor (2 wheel drive)
(a) 0.8 – 1.2 kg/cm2 (b) 1.2 – 2.0 kg/cm2 (c) 2.0 – 2.5 kg/cm2 (d) > 2.5 kg/cm2
Ans: C
21. Connecting rod generally have (a) I – shape (b) T-shape (c) Angle shape (d) Flat shape
Ans: A
22. The estimated useful life of diesel engine is
(a) 8 years (b) 10 years (c) 12 years (d) 14 years
Ans: B
23. The common firing order of a 4 stroke 4 cylinder engine is given as
(a) 1 – 2 – 3 – 4 (b) 1 – 3 – 2 – 4 (c) 1 – 3 – 4 – 2 (d) 1 – 4 – 3 – 2
Ans: C
24. The first tractor plant in India was set up by
(a) Hindustan (b) Ford (c) HMT (d) Eicher
Ans: D
25. Compression ratio of diesel engine is
(a) 5 : 1 (b) 5 : 1 to 11 : 1 (c) 11 : 1 to 14 : 1 (d) 14 : 1 to 21 : 1
Ans: D
26. A cylinder block of tractor engine is normally made of
(a) Cast Iron (b) Cast steel (c) Heat treated steel alloy (d) Spring steel
Ans: A
27. B.H.P. of an engine indicates
(a) Power at PTO pulley (b) Power in cylinder (c) Power on fly wheel (d) Frictional power
Ans: C
28. Engine oil is changed in tractor after
(a) 80 hours (b) 120 hours (c) 200 hours (d) 300 hours
Ans: B
29. Which of the following has most crucial role in promoting farm mechanization ?
(a) Electric motor (b) Power tiller (c) Diesel engine (d) Tractor
Ans: D
30. Variable speed governors are used on
(a) Tractor engine (Diesel) (b) Stationary engine (Diesel) (c) Petrol engine (d) None of above
Ans: A
31. In combine, the length of rasp bar type cylinder varies from
(a) 2.0 – 2.5 m (b) 1.5 – 2.0 m (c) 1.4 – 1.5 m (d) Less than 1.4 m
Ans: C
32. Mostly the type of piston pin used is
(a) Semi-floating (b) Floating (c) Fixed (d) All above three
Ans: B
33. A connecting rod of a tractor engine is made of
(a) Forged steel (b) Mild steel (c) Cast steel (d) Cast iron
Ans: A
34. Stroke bore ratio for tractor engine is
(a) 1.25 (b) 1.45 (c) 1.75 (d) 2.00
Ans: A
35. The power generated in a windmill
(a) depends on the height of tower. (b) depends on wind velocity.
(c) can be increased by planting tall trees close to tower. (d) is more in rainy season.
Ans: B
36. Minimum wind velocity for working of a wind mill is
(a) 5 kmph (b) 12 kmph (c) 25 kmph (d) 50 kmph
Ans: B
37. Optimum solid-water ratio for highest gas production is
(a) 1 : 10 (b) 1 : 15 (c) 1 : 20 (d) 1 : 25
Ans: C
38. Which of the following is a non-renewable source of energy ?
(a) Fossil fuels (b) Wood (c) Sun (d) Wind
Ans: A
39. Where is the largest solar plant of India located ?
(a) Odisha (b) Rajasthan (c) Gujarat (d) Maharashtra
Ans: C
40. Main combustible constituent of biogas is
(a) Carbon dioxide (b) Ethane (c) Butane (d) Methane
Ans: D
41. The main component of a biogas plant is
(a) Digester (b) Gas holder (c) Slurry mixing tank (d) All of above
Ans: D
42. Which is the ultimate source of energy ?
(a) Water (b) Sun (c) Fossils fuels (d) Uranium
Ans: B
43. The rate of doing work is known as
(a) Energy (b) Power (c) Horse power (d) None of the above
Ans: B
44. The work which requires pulling or drawing such as ploughing, seeding/planting etc. is known as
(a) tractive work (b) stationary work (c) both of the above (d) None of the above
Ans: A
45. A normal human being develops about
(a) 1 HP (b) 0.50 HP (c) 0.30 HP (d) 0.10 HP
Ans: D
46. Power transmission from the source of power to the machines is done by the following system :
(a) Pullies and belts (b) Flat belts (c) V-belts (d) All of the above
Ans: D
47. The simplest form of dynamometer for measuring the draw bar power is
(a) Hydraulic dynamometer (b) Spring dynamometer (c) Distortion type dynamometer (d) Strain gauge dynamometer
Ans: B
48. Steam engines are
(a) Internal combustion engines (b) Semi-internal combustion engines (c) External combustion engines (d) None of the above
Ans: C
49. Piston position in the engine when it reaches the bottom is known as
(a) Crank and dead centre (b) Bottom dead centre (c) Both of the above (a) & (b) (d) None of the above
Ans: C
50. In diesel engine, the heat is taken in at
(a) constant pressure (b) constant volume (c) both (a) & (b) (d) None of the above
Ans: A
(a) Fixed cost (b) Variable cost (c) Hiring cost (d) None of the above
Ans: A
2. The size of an M.B. plough is expressed in terms of its
(a) Width of cut (b) Length of share (c) Depth of cut (d) None of the above
Ans: A
3. Which one from the below is a multipurpose tool ?
(a) Indigenous plough (b) M.B. Plough (c) Cultivator (d) Multipurpose tool bar carrier
Ans: D
4. Which type of seed drill is mostly used in our country ?
(a) Cup feed type (b) Variable orifice type (c) Disc type (d) Flutted roller type
Ans: D
5. A power tiller is most suited for
(a) Transport work (b) Stationary operation (c) Rotary cultivation (d) None of the above
Ans: C
6. An olpad thresher is operated
(a) by a tractor (b) by a pair of bullocks (c) by an electric motor (d) manually
Ans: B
7. Application rate of sprayer is affected by
(a) Rate of discharge (b) Number of nozzle (c) Forward speed (d) All of the above
Ans: D
8. Reaper is used for
(a) land preparation (b) sowing (c) harvesting (d) threshing
Ans: C
9. Farming operation which requires maximum energy :
(a) Harvesting (b) Interculture (c) Sowing (d) Tillage
Ans: D
10. Puddling is done to
(a) Reduce percolation of water (b) Level the field (c) Kill weeds (d) Increase percolation of water
Ans: A
11. One hectare equals to
(a) 100 sq. m (b) 1000 sq. m (c) 10000 sq. m (d) 100000 sq. m
Ans: C
12. Vertical suction of a plough influences
(a) Pulverization (b) Depth of cut (c) Width of cut (d) Direction of pull
Ans: B
13. Two primary tillage equipment are
(a) Mould board plough and disc harrow (b) Disc plough and disc harrow (c) Disc harrow and cultivator (d) M.B. plough and sub-soiler
Ans: D
14. The size of a seed drill is expressed by
(a) working capacity (b) No. of furrow opener (c) spacing between furrow opener (d) No. of furrow opener and spacing between them
Ans: D
15. Increasing the cylinder speed results in
(a) increase threshing efficiency (b) increase seed damage (c) reduce cylinder loss (d) All of the above
Ans: D
16. Tilt angle in a disc plough varies from
(a) 5 – 10 degree (b) 10 – 15 degree (c) 15 – 25 degree (d) 25 – 30 degree
Ans: C
17. An indigenous plough is
(a) a secondary tillage implement (b) a wet-land puddler (c) a multi-purpose implement (d) a primary tillage implement
Ans: D
18. Gears are used for
(a) changing the speed of rotation (b) changing direction of shafting (c) changing direction of rotation (d) All of the above
Ans: D
19. Which of the following tractor has the air cooled engine ?
(a) Eicher (b) HMT (c) Mahindra (d) Ford
Ans: A
20. Inflation pressure of front wheels of tractor (2 wheel drive)
(a) 0.8 – 1.2 kg/cm2 (b) 1.2 – 2.0 kg/cm2 (c) 2.0 – 2.5 kg/cm2 (d) > 2.5 kg/cm2
Ans: C
21. Connecting rod generally have (a) I – shape (b) T-shape (c) Angle shape (d) Flat shape
Ans: A
22. The estimated useful life of diesel engine is
(a) 8 years (b) 10 years (c) 12 years (d) 14 years
Ans: B
23. The common firing order of a 4 stroke 4 cylinder engine is given as
(a) 1 – 2 – 3 – 4 (b) 1 – 3 – 2 – 4 (c) 1 – 3 – 4 – 2 (d) 1 – 4 – 3 – 2
Ans: C
24. The first tractor plant in India was set up by
(a) Hindustan (b) Ford (c) HMT (d) Eicher
Ans: D
25. Compression ratio of diesel engine is
(a) 5 : 1 (b) 5 : 1 to 11 : 1 (c) 11 : 1 to 14 : 1 (d) 14 : 1 to 21 : 1
Ans: D
26. A cylinder block of tractor engine is normally made of
(a) Cast Iron (b) Cast steel (c) Heat treated steel alloy (d) Spring steel
Ans: A
27. B.H.P. of an engine indicates
(a) Power at PTO pulley (b) Power in cylinder (c) Power on fly wheel (d) Frictional power
Ans: C
28. Engine oil is changed in tractor after
(a) 80 hours (b) 120 hours (c) 200 hours (d) 300 hours
Ans: B
29. Which of the following has most crucial role in promoting farm mechanization ?
(a) Electric motor (b) Power tiller (c) Diesel engine (d) Tractor
Ans: D
30. Variable speed governors are used on
(a) Tractor engine (Diesel) (b) Stationary engine (Diesel) (c) Petrol engine (d) None of above
Ans: A
31. In combine, the length of rasp bar type cylinder varies from
(a) 2.0 – 2.5 m (b) 1.5 – 2.0 m (c) 1.4 – 1.5 m (d) Less than 1.4 m
Ans: C
32. Mostly the type of piston pin used is
(a) Semi-floating (b) Floating (c) Fixed (d) All above three
Ans: B
33. A connecting rod of a tractor engine is made of
(a) Forged steel (b) Mild steel (c) Cast steel (d) Cast iron
Ans: A
34. Stroke bore ratio for tractor engine is
(a) 1.25 (b) 1.45 (c) 1.75 (d) 2.00
Ans: A
35. The power generated in a windmill
(a) depends on the height of tower. (b) depends on wind velocity.
(c) can be increased by planting tall trees close to tower. (d) is more in rainy season.
Ans: B
36. Minimum wind velocity for working of a wind mill is
(a) 5 kmph (b) 12 kmph (c) 25 kmph (d) 50 kmph
Ans: B
37. Optimum solid-water ratio for highest gas production is
(a) 1 : 10 (b) 1 : 15 (c) 1 : 20 (d) 1 : 25
Ans: C
38. Which of the following is a non-renewable source of energy ?
(a) Fossil fuels (b) Wood (c) Sun (d) Wind
Ans: A
39. Where is the largest solar plant of India located ?
(a) Odisha (b) Rajasthan (c) Gujarat (d) Maharashtra
Ans: C
40. Main combustible constituent of biogas is
(a) Carbon dioxide (b) Ethane (c) Butane (d) Methane
Ans: D
41. The main component of a biogas plant is
(a) Digester (b) Gas holder (c) Slurry mixing tank (d) All of above
Ans: D
42. Which is the ultimate source of energy ?
(a) Water (b) Sun (c) Fossils fuels (d) Uranium
Ans: B
43. The rate of doing work is known as
(a) Energy (b) Power (c) Horse power (d) None of the above
Ans: B
44. The work which requires pulling or drawing such as ploughing, seeding/planting etc. is known as
(a) tractive work (b) stationary work (c) both of the above (d) None of the above
Ans: A
45. A normal human being develops about
(a) 1 HP (b) 0.50 HP (c) 0.30 HP (d) 0.10 HP
Ans: D
46. Power transmission from the source of power to the machines is done by the following system :
(a) Pullies and belts (b) Flat belts (c) V-belts (d) All of the above
Ans: D
47. The simplest form of dynamometer for measuring the draw bar power is
(a) Hydraulic dynamometer (b) Spring dynamometer (c) Distortion type dynamometer (d) Strain gauge dynamometer
Ans: B
48. Steam engines are
(a) Internal combustion engines (b) Semi-internal combustion engines (c) External combustion engines (d) None of the above
Ans: C
49. Piston position in the engine when it reaches the bottom is known as
(a) Crank and dead centre (b) Bottom dead centre (c) Both of the above (a) & (b) (d) None of the above
Ans: C
50. In diesel engine, the heat is taken in at
(a) constant pressure (b) constant volume (c) both (a) & (b) (d) None of the above
Ans: A
51. The amount of water vapour present in a unit weight of dry air under a given set of conditions is known as
(a) humidity (b) absolute humidity (c) relative humidity (d) None of the above
Ans: B
52. The temperature at which a mixture of air and water vapour has to be cooled at constant humidity to make it saturated is known as
(a) Dry bulb temperature (b) Wet bulb temperature (c) Dew point temperature (d) Ambient temperature
Ans: C
53. A good rice huller does the following work :
(a) Removes the husk from the paddy (b) Does not break the rice (c) Produce good quality rice (d) All of the above
Ans: D
54. There is high percentage of breakage of rice grain in
(a) Disc type hullers (b) Roller type hullers (c) Both (a) & (b) (d) None of the above
Ans: C
55. The process of husking or dehusking is also known as
(a) Shelling (b) Bruising (c) Scalping (d) None of the above
Ans: A
56. The first phase of seed processing consists of
(a) scalping (b) debearding (c) hulling (d) All of the above
Ans: D
57. The second phase of processing in which removal of weed seeds, broken seeds and inert materials are involve, is done by
(a) Air screen (b) Air screen cleaner (c) Aspirator (d) Scalper
Ans: B
58. When the paddy is shelled, brown coloured rice is obtained, which is known as
(a) Par boiled rice (b) Brown rice (c) Both (a) & (b) (d) None of the above
Ans: B
59. Average weight of 1000 wheat grains ranges between
(a) 30 – 35 gms (b) 35 – 45 gms (c) 45 – 50 gms (d) None of the above
Ans: B
60. By processing soyabean seeds, various products which are prepared can help in
(a) certain cancer diseases (b) cardio-vascular diseases (c) both (a) & (b) (d) None of the above
Ans: C
61. Pneumatic separation of fruits by grader depends on
(a) size and shape of the fruit (b) density of the fruit (c) surface resistance of the fruits (d) All of the above
Ans: D
62. In order to extract juices from sugarcane crushers, the king roller is fitted in
(a) Bullock drawn crusher at the top of the roller gear. (b) Power driven cane-crusher, it is fitted separately above the axle of the roller
(c) None of these (d) Both (a) & (b)
Ans: D
63. Equivalent moisture content of food grains is measured in
(a) Dry weight basis (b) Wet weight basis (c) Measuring instruments (d) All of the above
Ans: D
64. Design of a grain dryer aims at
(a) finding the dimensions of the equipment (b) drying agent and heat requirement
(c) both of above (a) & (b) (d) None of the above
Ans: C
65. Indian farmers are adopting latest farm mechanization techniques in order to
(a) Achieve the timelines in farm operations (b) Reduction in loss of crops and food products
(c) Reduction in drudgery and labour (d) All of the above
Ans: D
66. Tillage is the preparation of soil to provide
(a) conditions favourable to plant growth for flood (b) weed free field during plant growth during flood
(c) both of (a) & (b) (d) None of the above
Ans: C
67. Bullock operated mould board ploughs are
(a) Single bottom (b) Double bottom (c) Multiple bottom (d) None of these
Ans: A
68. Gunnel is a part of
(a) Indigenous plough (b) Mould board plough (c) Cultivator (d) None of the above
Ans: B
69. Materials which are used for making shares of the plough are
(a) plain steel (b) soft centre steel (c) chilled cast iron (d) Both (a) and (c)
Ans: C
70. The manual rotary paddy weeder is used for
(a) weeding the paddy field by uprooting the weeds (b) burying weeds in wet soils (c) None of the above (d) Both (a) & (b)
Ans: D
71. During the threshing of crops as far as possible ensure that
(a) threshing yard should be away from the residential area (b) it should be located near the railway track
(c) adequate fire protection services must be provided (d) both of the (a) & (c)
Ans: D
72. Wind mills can be used for
(a) water pumping (b) electricity generation (c) both of (a) & (b) (d) None of these
Ans: C
73. Gur (Jaggery) making process from sugarcane involves
(a) crushing of sugarcane (b) heating of the sugarcane juice to make it semi-solid
(c) cooling down and make jaggery (d) All of the above process
Ans: D
74. If the moisture content on wet basis is 20%, then what would be the moisture content on dry basis ?
(a) 20 % (b) 25 % (c) 30 % (d) 15 %
Ans: B
75. Sucrose content in sugarcane is about
(a) 5 – 10 percent (b) 10 – 15 percent (c) 15 – 20 percent (d) None of the above
Ans: B
76. The largest sugarcane producing country in the world is
(a) Canada (b) India (c) Russia (d) America
Ans: B
77. Disc separators separate grain by
(a) Shape (b) Weight (c) Colour (d) Size
Ans: D
78. To separate mustard seed from wheat, the best type of separator is
(a) Specific gravity separator (b) Spiral separator (c) Centrifugal separator (d) All of the above
Ans: B
79. A scalper is used for
(a) grading the material (b) removing of stones (c) fine separation of materials (d) rough separation of materials
Ans: D
80. Crushing capacity of power operated cane crusher is
(a) < 60 % (b) 70 % (c) > 80 % (d) None of the above
Ans: C
81. The number of holes per square inch in a 20 mesh screen will be
(a) 800 (b) 400 (c) 200 (d) 20
Ans: B
82. During seed processing, the moisture content of seed should be
(a) < 15 percent (b) 15 – 20 percent (c) 20 – 25 percent (d) > 25 percent
Ans: A
83. Which one of the following energy sources is not renewable ?
(a) Solar energy (b) Wind energy (c) Coal energy (d) Nuclear energy
Ans: C
84. When the engine cycle is completed in two revolutions of the crankshaft, the engine is known as
(a) two stroke cycle engine (b) four stroke cycle engine (c) eight stroke cycle engine (d) None of the above
Ans: B
85. Hot spark plugs are used in
(a) Slow speed engine (b) Low compression engine (c) Two stroke petrol engine (d) All of the above
Ans: D
86. Fly wheel of the engine helps
(a) to run the engine smoothly (b) stores energy during power stroke (c) returns the energy during idle stroke (d) All of the above
Ans: D
87. Carburettor is found in
(a) Petrol engine (b) Diesel engine (c) Both of these (d) None of these
Ans: A
88. Biogas plants which are generally used for gas production are generally made of
(a) Bricks (b) Steel (c) Both of (a) & (b) (d) None of these
Ans: C
89. Solar energy can be converted into
(a) Thermal energy (b) Electrical energy (c) Mechanical energy (d) All of the above
Ans: D
90. In houses active system of solar energy
(a) uses solar collectors for warming the space (b) heating is done either by water or air
(c) works on natural convection (d) both of the (a) & (b)
Ans: D
91. Electricity from solar energy can be produced by
(a) solar power production system (b) solar photo-voltaic cells (c) Both of the (a) and (b) (d) None of these
Ans: C
92. Wind energy is available in the form of
(a) kinetic energy (b) potential energy (c) both of the above (a) and (b) (d) None of these
Ans: A
93. Which of the following do not apply in case of wind energy ?
(a) Wind energy is variable. (b) Wind energy is steady. (c) Wind energy is irregular. (d) Wind energy is intermittent.
Ans: B
94. Advantages of electrical power over other sources are
(a) highest efficiency (b) adaptive to varying speeds (c) adaptable to all farm operations (d) Both (a) and (b)
Ans: D
95. Depreciation of an IC engine is included in
(a) Fixed cost (b) Variable cost (c) Both (a) and (b) (d) None of the above
Ans: A
96. Within a given HP range, the selection of tractor is based on
(a) primary cost (b) resale value (c) running cost (d) All the above three
Ans: D
97. Manufacture of Massey Fergusson Tractor is
(a) HMT, Pinjore (b) Sonalika, Hoshiarpur (c) TAFE, Chennai (d) PTL, Mohali
Ans: C
98. In IC engine, the diameter of cylinder is known as
(a) Bore (b) Stroke (c) Piston displacement (d) None of the above
Ans: A
99. Main advantages of mechanical power are
(a) requires frequent rest periods (b) available in different sizes (c) not affected by hot or cold weather (d) Both (b) & (c)
Ans: D
100. The back sight of 1.258 m was observed for the bench mark (BM) at reduced level (RL) of 48 m. The corresponding fore sight on the staff held vertically inverted to the underside of a bridge beam is 4.645 m. The RL at the underside of the bridge beam in m is
(A) 44.613
(B) 46.936
(C) 51.581
(D) 53.903
Ans: D
(a) humidity (b) absolute humidity (c) relative humidity (d) None of the above
Ans: B
52. The temperature at which a mixture of air and water vapour has to be cooled at constant humidity to make it saturated is known as
(a) Dry bulb temperature (b) Wet bulb temperature (c) Dew point temperature (d) Ambient temperature
Ans: C
53. A good rice huller does the following work :
(a) Removes the husk from the paddy (b) Does not break the rice (c) Produce good quality rice (d) All of the above
Ans: D
54. There is high percentage of breakage of rice grain in
(a) Disc type hullers (b) Roller type hullers (c) Both (a) & (b) (d) None of the above
Ans: C
55. The process of husking or dehusking is also known as
(a) Shelling (b) Bruising (c) Scalping (d) None of the above
Ans: A
56. The first phase of seed processing consists of
(a) scalping (b) debearding (c) hulling (d) All of the above
Ans: D
57. The second phase of processing in which removal of weed seeds, broken seeds and inert materials are involve, is done by
(a) Air screen (b) Air screen cleaner (c) Aspirator (d) Scalper
Ans: B
58. When the paddy is shelled, brown coloured rice is obtained, which is known as
(a) Par boiled rice (b) Brown rice (c) Both (a) & (b) (d) None of the above
Ans: B
59. Average weight of 1000 wheat grains ranges between
(a) 30 – 35 gms (b) 35 – 45 gms (c) 45 – 50 gms (d) None of the above
Ans: B
60. By processing soyabean seeds, various products which are prepared can help in
(a) certain cancer diseases (b) cardio-vascular diseases (c) both (a) & (b) (d) None of the above
Ans: C
61. Pneumatic separation of fruits by grader depends on
(a) size and shape of the fruit (b) density of the fruit (c) surface resistance of the fruits (d) All of the above
Ans: D
62. In order to extract juices from sugarcane crushers, the king roller is fitted in
(a) Bullock drawn crusher at the top of the roller gear. (b) Power driven cane-crusher, it is fitted separately above the axle of the roller
(c) None of these (d) Both (a) & (b)
Ans: D
63. Equivalent moisture content of food grains is measured in
(a) Dry weight basis (b) Wet weight basis (c) Measuring instruments (d) All of the above
Ans: D
64. Design of a grain dryer aims at
(a) finding the dimensions of the equipment (b) drying agent and heat requirement
(c) both of above (a) & (b) (d) None of the above
Ans: C
65. Indian farmers are adopting latest farm mechanization techniques in order to
(a) Achieve the timelines in farm operations (b) Reduction in loss of crops and food products
(c) Reduction in drudgery and labour (d) All of the above
Ans: D
66. Tillage is the preparation of soil to provide
(a) conditions favourable to plant growth for flood (b) weed free field during plant growth during flood
(c) both of (a) & (b) (d) None of the above
Ans: C
67. Bullock operated mould board ploughs are
(a) Single bottom (b) Double bottom (c) Multiple bottom (d) None of these
Ans: A
68. Gunnel is a part of
(a) Indigenous plough (b) Mould board plough (c) Cultivator (d) None of the above
Ans: B
69. Materials which are used for making shares of the plough are
(a) plain steel (b) soft centre steel (c) chilled cast iron (d) Both (a) and (c)
Ans: C
70. The manual rotary paddy weeder is used for
(a) weeding the paddy field by uprooting the weeds (b) burying weeds in wet soils (c) None of the above (d) Both (a) & (b)
Ans: D
71. During the threshing of crops as far as possible ensure that
(a) threshing yard should be away from the residential area (b) it should be located near the railway track
(c) adequate fire protection services must be provided (d) both of the (a) & (c)
Ans: D
72. Wind mills can be used for
(a) water pumping (b) electricity generation (c) both of (a) & (b) (d) None of these
Ans: C
73. Gur (Jaggery) making process from sugarcane involves
(a) crushing of sugarcane (b) heating of the sugarcane juice to make it semi-solid
(c) cooling down and make jaggery (d) All of the above process
Ans: D
74. If the moisture content on wet basis is 20%, then what would be the moisture content on dry basis ?
(a) 20 % (b) 25 % (c) 30 % (d) 15 %
Ans: B
75. Sucrose content in sugarcane is about
(a) 5 – 10 percent (b) 10 – 15 percent (c) 15 – 20 percent (d) None of the above
Ans: B
76. The largest sugarcane producing country in the world is
(a) Canada (b) India (c) Russia (d) America
Ans: B
77. Disc separators separate grain by
(a) Shape (b) Weight (c) Colour (d) Size
Ans: D
78. To separate mustard seed from wheat, the best type of separator is
(a) Specific gravity separator (b) Spiral separator (c) Centrifugal separator (d) All of the above
Ans: B
79. A scalper is used for
(a) grading the material (b) removing of stones (c) fine separation of materials (d) rough separation of materials
Ans: D
80. Crushing capacity of power operated cane crusher is
(a) < 60 % (b) 70 % (c) > 80 % (d) None of the above
Ans: C
81. The number of holes per square inch in a 20 mesh screen will be
(a) 800 (b) 400 (c) 200 (d) 20
Ans: B
82. During seed processing, the moisture content of seed should be
(a) < 15 percent (b) 15 – 20 percent (c) 20 – 25 percent (d) > 25 percent
Ans: A
83. Which one of the following energy sources is not renewable ?
(a) Solar energy (b) Wind energy (c) Coal energy (d) Nuclear energy
Ans: C
84. When the engine cycle is completed in two revolutions of the crankshaft, the engine is known as
(a) two stroke cycle engine (b) four stroke cycle engine (c) eight stroke cycle engine (d) None of the above
Ans: B
85. Hot spark plugs are used in
(a) Slow speed engine (b) Low compression engine (c) Two stroke petrol engine (d) All of the above
Ans: D
86. Fly wheel of the engine helps
(a) to run the engine smoothly (b) stores energy during power stroke (c) returns the energy during idle stroke (d) All of the above
Ans: D
87. Carburettor is found in
(a) Petrol engine (b) Diesel engine (c) Both of these (d) None of these
Ans: A
88. Biogas plants which are generally used for gas production are generally made of
(a) Bricks (b) Steel (c) Both of (a) & (b) (d) None of these
Ans: C
89. Solar energy can be converted into
(a) Thermal energy (b) Electrical energy (c) Mechanical energy (d) All of the above
Ans: D
90. In houses active system of solar energy
(a) uses solar collectors for warming the space (b) heating is done either by water or air
(c) works on natural convection (d) both of the (a) & (b)
Ans: D
91. Electricity from solar energy can be produced by
(a) solar power production system (b) solar photo-voltaic cells (c) Both of the (a) and (b) (d) None of these
Ans: C
92. Wind energy is available in the form of
(a) kinetic energy (b) potential energy (c) both of the above (a) and (b) (d) None of these
Ans: A
93. Which of the following do not apply in case of wind energy ?
(a) Wind energy is variable. (b) Wind energy is steady. (c) Wind energy is irregular. (d) Wind energy is intermittent.
Ans: B
94. Advantages of electrical power over other sources are
(a) highest efficiency (b) adaptive to varying speeds (c) adaptable to all farm operations (d) Both (a) and (b)
Ans: D
95. Depreciation of an IC engine is included in
(a) Fixed cost (b) Variable cost (c) Both (a) and (b) (d) None of the above
Ans: A
96. Within a given HP range, the selection of tractor is based on
(a) primary cost (b) resale value (c) running cost (d) All the above three
Ans: D
97. Manufacture of Massey Fergusson Tractor is
(a) HMT, Pinjore (b) Sonalika, Hoshiarpur (c) TAFE, Chennai (d) PTL, Mohali
Ans: C
98. In IC engine, the diameter of cylinder is known as
(a) Bore (b) Stroke (c) Piston displacement (d) None of the above
Ans: A
99. Main advantages of mechanical power are
(a) requires frequent rest periods (b) available in different sizes (c) not affected by hot or cold weather (d) Both (b) & (c)
Ans: D
100. The back sight of 1.258 m was observed for the bench mark (BM) at reduced level (RL) of 48 m. The corresponding fore sight on the staff held vertically inverted to the underside of a bridge beam is 4.645 m. The RL at the underside of the bridge beam in m is
(A) 44.613
(B) 46.936
(C) 51.581
(D) 53.903
Ans: D