Automobile Engineering Objective Questions with Answers - Set 16

Practice Test: Question Set - 16

1. The temperature indicating instrument in vehicles indicates the temperature of
    (A) Engine piston
    (B) Engine cylinder
    (C) Lubricating oil
    (D) Jacket cooling water

2. Two general types of tyres are
    (A) Tube type and tubeless
    (B) Solid and tubeless
    (C) Air and pneumatic
    (D) Split rim and drop centre

3. How many cells are used in a 12 volt car battery?
    (A) 2
    (B) 4
    (C) 6
    (D) 8

4. The motion of the cam is transferred to the valves through
    (A) Pistons
    (B) Rocker arms
    (C) Camshaft pulley
    (D) Valve stems

5. The power actually developed inside the engine cylinder is called as
    (A) Indicated power
    (B) Brake power
    (C) Frictional power
    (D) None of these

6. If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is about
    (A) 17:1
    (B) 15:1
    (C) 13:1
    (D) 10:1

7. Petrol that detonates easily is called
    (A) High octane petrol
    (B) Low octane petrol
    (C) Unleaded petrol
    (D) Blended fuel

8. The advantage of a tubeless tyre over tube type tyre is
    (A) Slow air leakage
    (B) Better fuel efficiency
    (C) Less chances of running flat
    (D) All of these

9. In a single dry plate clutch, torsional vibrations are absorbed by
    (A) Coil springs known as torsional springs
    (B) Cushion springs
    (C) Central hub
    (D) Clutch pedal

10. The battery is an electrochemical device, which means battery
    (A) Makes chemicals by mechanical means
    (B) Uses chemical action to provide electricity
    (C) Has curved plates instead of flat plates
    (D) Does not use an electrolyte

11. An overinflated tyre will wear the tread most near the
    (A) Edges
    (B) Corners
    (C) Centre
    (D) None of these

12. The calorific value of Diesel is about
    (A) 36.5 MJ/kg
    (B) 38.5 MJ/kg
    (C) 42.5 MJ/kg
    (D) 45.5 MJ/kg

13. The function of oil control rings is that it
    (A) Lubricates the cylinder wall by releasing oil from its hole
    (B) Keeps the cylinder wall lubricated by holding oil in its channel
    (C) Prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
    (D) Maintains a seal and prevents escape of burned gases and oil leakage

14. Two advantages of using helical gears rather than spur gears in a transmission system are
    (A) Strength and cost
    (B) Strength and less end thrust
    (C) Noise level and strength
    (D) Noise level and economy

15. The correct flow of power through the drive train is
    (A) Engine drive shafts, clutch, main shaft, counter shaft, final driven gear, wheels
    (B) Engine clutch, main shaft, counter shaft, final driven gear, drive shafts, wheels
    (C) Engine clutch, counter shaft, main shaft, final driven gear, drive shafts, wheels
    (D) Engine main shaft, counter shaft, clutch, final driven gear, drive shafts, wheels

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Automobile Engineering:
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