Agriculture MCQ
1. Animals if raised by the farmer himself can be a very cheap source of
a) transport power
b) cart power
c) farm power
d) bullock power
2. Acceptability of the tractor and power tiller is not very common because of high initial
a) price
b) coverage
c) investment
d) power requirement
3. The average capacity of a wind mill would be about
a) 2.0 hp
b) 1.5 hp
c) 1.0 hp
d) 0.5 hp
4. A wind mill having 3.6m diameter wheel mounted on 12 m tower is able to produce 0.1 to 0.9 hp with a wind velocity varying from
a) 2.4-27 kmph
b) 1.4 –37 kmph
(c ) 2.4-37 kmph
d) 3.4–47 kmph
5. Intake valves wear more than exhaust valves is probably due to performance by the
a) air nozzles
b) air cleaner
c) top dead center
d) bottom dead center
(Agriculture MCQ)
6. Intake valves wear more than
a) valve seats
b) valve grinding plates
c) exhaust valves
d) outlet valves
7. Tractor engine compression pressure goes down considerably after constant operation of about
a) 1000 hours
b) 1500 hours
c) 2000 hours
d) 2500 hours
8. Clearance between the rocker arm and valve stem is known as
a) rocker clearance
b) stem clearance
c) tappet valve clearance
d) liner clearance
9. The valve tappet clearance is adjusted when both the valves arc in
a) open position
b) close position
c) shut position
d) stem open position
10. A typical valve of tappet clearance is given as
a) 0 .28 mm
b) 0.38 mm
c) 0 .48 mm
d) 0 58 mm
(Agriculture MCQ)
11. The valve face is generally made of heat resisting material like
a) carbon steel
b) stainless steel
c) high carbon steel
d) special alloys
12. The top of the piston is called the crown and the lower section the
a) bottom cover
b) bottom space
( c ) skirt
d) brush
13. Piston and piston rings seal the cylinder and transmit the gas pressure to the
a) cam shaft
b) crank shaft
c) crank case
d) connecting rod
14. Close contact between the dry liner and the cylinder is absolutely necessary to reduce the resistance to
a) wear
b) tear
c) oil flow
d) heat flow
15. Weight of two stroke engine per hose power is
a) high
b) low
c) medium
d) optimum
(Agriculture MCQ)
16. Weight of four stroke engine per horse power is
a) low
b) high
c) optimum
d) medium
17. Type of two stroke engines are available only as
a) all speed
b) low speed
c) medium sped
d) high speed
18. Type of four stroke engine available through manufacturers are
a) only high speed
b) only low speed
c) medium spend
d) all speeds
19. Four stroke cycle engines can be operated in the direction of
( a ) only one
b) only opposite
c) clockwise
d) counterclockwise
20. Flywheel of four stroke cycle engine is comparatively
a) larger
b) smaller
c) medium
d) optimum
(Agriculture MCQ)
21. Flywheel of two stroke cycle engine is comparatively
a) smaller
b) large
c) medium
d) optimum
22. Thermal efficiency of two stroke cycle engine is comparatively
a) high
b) low
c) minimum
d) maximum
23.Thermal efficiency of four stroke cycle engine is comparatively
a) higher
b) lower
c) minimum
d) maximum
24. Operating cost of diesel engine is comparatively
a) high
b) very high
c) low
d) optimum
25. Operating cost of carburetor engine is comparatively
a) low
b) high
c) very high
d) maximum
(Agriculture MCQ)
26. Initial cost of diesel engine is comparatively
a) low
b) high
c) minimum
d) maximum
27. Diesel engine weight per horse power is
a) low
b) high
c) maximum
d) minimum
28. Weight of carburetor engine per horse power is comparatively
a) high
b) low
c) very low
d) very high
29. After being heavily loaded diesel engine develops more
a) draft
b) force
c) pull hour
d) torque
30. The top of the piston is called the crown and the lower section the
a) bottom cover
b) bottom space
c) skirt
d) brush
(Agriculture MCQ)
31. Piston and piston rings seal the cylinder and transmit the gas pressure to the
a) cam shaft
b) crank shaft
c) crank case
d) connecting rod
32. The ratio of the horse power output of an engine to the fuel horse power is known as
a) Mechanical efficiency
b) brake thermal efficiency
c) volumetric efficiency
d) fuel consumption
33. The quantity of fuel consumed by an oil engine on the basis of 1 horse power hour is known as
a) specific heat
b) thermal equilibrium
c) specific fuel consumption
d) air-fuel mixture
34. The ratio of the brake horse power to the indicated horse power is called
a) Brake thermal efficiency
b) volumetric efficiency
c) denial efficiency
d) mechanical efficiency
35. The horse power available at the crank shaft is called
a) crank horse power
b) brake horse power
c) horse power
d) indicated horse power
(Agriculture MCQ)
36. The total horse power developed by all the cylinders and needed piston, disregarding friction and losses within the engine is said to
a) horse power
b) indicated horse power
c) frictional horse power
d) brake horse power
37. The average net pressure in kg/m2 on the piston during the power stroke only is called
a) brake mean effective pressure
b) indicated mean effective pressure
c) engine pressure
d) cylinder pressure
38. Tractors are mostly equipped with
a) single cylinder engines
b) two cylinder engines
c) three cylinder engines
d) multiple cylinder engines
39. Tractor engine compression pressure generally goes down considerably after constant operation of about
a) 1000 hours
b) 1500 hours
c) 2000 hours
d) 2500 hours
40. Two stroke engine have very limited use on
a) dairy farm
b) cattle farm
c) general farms
d) specific farms
(Agriculture MCQ)
41. Multiple cylinder, high speed, vertical engines are mostly used as automotive engines on
a) farm truck
b) feed grinding machines
c) farm tractors
d) farm combines
42. Some of the small size garden tractors are equipped with
a) single cylinder engines
b) four stroke engines
c) two stroke engines
d) multiple cylinder engines
43. The thermostat opens widely at about
a) 75°C
b) 78°C
c) 80°C
d) 82°C
44. The cooling system of an internal combustion petrol engine maintains the engine temperature in the range of
a) 61 to 70°C
b) 71 to 80°C
c) 74 to 78°C
d) 78 to 82°C
45. For heavier fuels the cooling system of an internal combustion maintains the engine temperature at
a) 78 to 88°C
b) 😯 to 90°C
c) 88 to 90°C
d) 90 to 92°C
(Agriculture MCQ)
46. After release of press button diesel engine must start within
a) 10 sees
b)12 secs.
c) 15 secs
d) 17 secs
47. If the engine does not start on the first attempt, subsequent attempt should be made at an interval of about
a) one minute
b) two minutes
c) three minutes
d) four minutes
48. Magneto points need to be regapped alter operation of about
a) 100 to 200 hours
b) 150 to 300 hours
c) 200 to 300 hours
d) 250 to 500 hours
49. Using the pump for transporting oil in the system pressure develop in the lubricating system is about
a) 1.2 kg/sq.cm.
b) 1.5 kg/sq.cm.
c) 2.5 kg/sq.cm.
d) 3 kg/sq.cm.
50. Normally the thermostat begins to open at about 74°C and opens widely at about
a) 75°C
b) 78°C
c) 80°C
d) 82°C
(Agriculture MCQ)
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