1) Engine oil should be changed at every: a. 50 hours b. 100 hours c. 120 hours d. 150 hours
|
||||
2) Tractor transmission oil should be changed at every: a. 100 hours b. 300 hours c. 500 hours d. 750 hours
|
||||
3) Slogging or lugging ability is associated with: a. Engine speed b. Engine torque c. Engine load d. All are correct
|
||||
4) A device to control the engine speed within specific limit is called: a. Carburetor b. Governor c. Radiator d. Differential
|
||||
5) The useful life of tractor is: a. 8,000 hours b. 10,000 hours c. 12,000 hours d. 15,000 hours
|
||||
6) A part that connects piston with connection rod is: a. Piston ring b. Gudgen pin c. Safety pin d. Camshaft
|
||||
7) Power tiller operates most satisfactorily with: a. Rotary tools b. Ploughs c. Transport wheel d. Harrows
|
||||
8) In an adiabatic process system: a. Temperture is constant b. Pressure is constant c. Heat is constant d. Volume is constant
|
||||
9) Weight transfer of tractor is directly affected by: a. Pull b. Hitch height c. Both (a) & (b) d. Wheel base
|
||||
10) Compression ratio of diesel engine is: a. 4;1 b. 6;1 c. 15;1 d. 25;1
|
||||
11) Maximum torque in a tractor is generated at: a. Rated rpmb b. Less than rated rpm c. Rated horsepower d. Maximum idling
|
||||
12) Brake works on principle of: a. Friction b. Vibration c. Sliding d. Suction
|
||||
13) Soil texture represent the: a. Size and proportion of particles making a soil b. Arrangement of soil particles c. Both (a) & (b) d. None of these
|
||||
14) Brake fluid used in hydraulic brake is a mixture of: a. Glycerin and alcohol b. Alcohol and methane c. Glycerin and methane d. None of these
|
||||
15) When brake is applied the kinetic energy of body is converted into: a. Electrical energy b. Heat energy c. Chemical energy d. Mechanical energy
|
||||
16) The optimum engine temperature is about: a. 60 deg. b. 82 deg. c. 100 deg. d. 120 deg.
|
||||
17) Cetane number for commercial diesel fuel varies from: a. 20-40 b. 30-60 c. 60-90 d. 90-100
|
||||
18) Loss of value of machine with passage of time is: a. Depreciation b. Interest c. Hiring cost d. None of these
|
||||
19) Pressure due to radiator cap: a. Raises boiling temperature b. Reduces boiling temperature c. Cools the water d. None of these
|
||||
20) The voltage in spark plug at the time of spark is: a. 300-400 V b. 100-200 V c. 1000-10000 V d. 20000 V
|
||||
21) Heavy smoking in an engine during operation may be due to: a. Rich mixture b. Overloading c. Late injection d. All are correct
|
||||
22) Relative movement of the wheel in direction of travel for given distance under load and no load condition is: a. Wheel slip b. Coefficient of traction c. Coefficient of rolling resistance d. Tractive efficiency
|
||||
23) BHP of the engine indicates: a. Power in cylinder b. Power on flywheel c. Power drawbar d. Power at PTO pulley
|
||||
24) Which of the following is transmission dynamometer? a. Torsion dynamometer b. Froude's hydraulic dynamometer c. Belt dynamometer d. Prony brake dynamometer
|
||||
25) Turbo chargers are driven by: a. Engine b. Dynamo c. Exhaust d. PTO shaft
|
||||
26) Centre of gravity of tractor is determined by: a. Suspension method b. Balancing method c. Weighing method d. All are correct
|
||||
27) The PTO HP of a tractor is: a. Less than drawbar b. More than engine HP c. More than drawbar HP d. Less than friction HP
|
||||
28) The most commonly used method for determination of centre of gravity of tractor is: a. Suspension method b. Balancing method c. Weighing method d. All are correct
|
||||
29) Main constitute is: a. Methane b. Ethane c. Butane d. Carbon dioxide
|
||||
30) In SI engine, intake opens about: a. 10 deg before TDC b. At TDC c. 10 deg after TDC d. 20 deg after TDC
|
||||
31) The base function of governor in an engine is to regulate the: a. Fuel consumption b. Power development c. Engine speed d. None of these
|
||||
32) The ratio of rolling resistance to dynamic load is: a. Coefficient of traction b. Tractive efficiency c. Coefficient of rolling resistance d. Rolling resistance
|
||||
33) The power developed by an average pair of bullocks varies from: a. 0.0-5 hp b. 0.5-1.0 hp c. 1.0-1.5 hp d. 1.5-2.0 hp
|
||||
34) Ratio of total force output of the traction device in direction of travel to dynamic weight on traction device is: a. Tractive efficiency b. Coefficient of traction c. Coefficient of rolling resistance d. Wheel slip
|
||||
35) The rear part of a tractor is heavier than the front part of tractor to get: a. Higher tractive efficiency b. Lower tractive efficiency c. Less wheel slip d. All are correct
|
||||
36) An engine is called I head engine when: a. Valves are immediately above the cylinder b. Both valves are on one side c. Valves are in opposite direction d. None of these
|
||||
37) A steam engine is an: a. Spark ignition engine b. Compression ignition engine c. External combustion engine d. IC engine
|
||||
38) In hydraulically control hitching system, the equpment vibrates due to: a. Lower oil level b. Clogging of oil filter c. Trapping of air in oil filter d. All are correct
|
||||
39) Engine in which heat is taken at one constant pressure and rejected at another constant pressure is: a. Otto cycle b. Auto cycle c. Diesel cycle d. Petrol cycle
|
||||
40) The total swept volume of all pistons during power strokes occurring in one minute is: a. Piston volume b. Clearance volume c. Displacement volume d. None of these
|
||||
41) When crankshaft of the engine completes one cycle, the camshaft completes: a. Two revolution b. Half revolution c. Equal revolution of crankshaft d. None of these
|
||||
42) The camshaft gear is called: a. Two time gear b. One time gear c. Halftime gear d. None of these
|
||||
43) Tractive efficiency is affected by: a. Slope of land b. Wheel size c. Height of hitch d. All are correct
|
||||
44) In hydraulically controlled hitching system, the implement does not remain in lifted position due to: a. Defective valve b. Oil leakage c. Both (a) & (b) d. Lower oil lever
|
||||
45) The stroke bore of tractor engine varies from: a. 1 to 1.45 b. 1 to 2 c. 1.45 to 2 d. 2 to 2.45
|
||||
46) The permissible slip for wheel type tyre during slippage testing is: a. 3 to 5% b. 7 to 10% c. 15 to 20% d. 20 to 30%
|
||||
47) The permissible slip for crawler tractor during slippage testing is: a. 3 to 5% b. 7 to 10% c. 15 to 20% d. 20 to 30%
|
||||
48) Traction can be be increased by: a. Rubber tyre with grooves b. Placing chain c. Putting Luigs d. All are correct
|
||||
49) The operation to perform to open any cultivable land is: a. Primary tillage b. Secondary tillage c. Minimum tillage d. Reduced tillage
|
||||
50) Finer operation performed for seedbed preparation is: a. Primary tillage b. Secondary tillage c. Strip tillage d. Rotary tillage
|
||||
51) Indigenous plough is: a. Primary tillage tool b. Secondary tillage tool c. Multi-purpose tool d. All are correct
|
||||
52) Of the following, which are the primary tillage implements? a. Chisel plough and disc harrow b. Chisel plough and subsoiler c. Disc plough and disc harrow d. Leveler and clod crusher
|
||||
53) A cultivar wholw tynes swings back when obstacle encounter is: a. Spike tooth cultivator b. Spring type cultivator c. Rigid type cultivator d. All are correct
|
||||
54) A bullock drawn implement has: a. Higher speed and higher working capacity b. Lower speed and lower working capacity c. Higher speed and lower working capacity d. Lower speed and higher working capacity
|
||||
55) Tractor drawn implements have: a. High speed and higher working capacity b. Lower speed and lower working capacity c. Higher speed and lower working capacity d. Lower speed and higher working capacity
|
||||
56) An implement that pulled and guided by single hitch point of a tractor is: a. Trailed implement b. Mounted implement c. Semi mounted implements d. All are correct
|
||||
57) 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
|
||||
58) An implement that fully supported by the tractor is: a. Trailed implement b. Mounted implement c. Semi mounted implements d. All are correct
|
||||
59) Ploughing is done to a. Improve soil aeration b. Destroy weeds c. Increase water-holding capacity d. All are correct
|
||||
60) 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
|