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
Next Tests: