Practice Test: Question Set - 05
1. An engine has a clearance volume of 100 cm³ and a swept volume of 800 cm³. The compression ratio is
- (A) 7 : 1
- (B) 8 : 1
- (C) 9 : 1
- (D) 10 : 1
2. If the engine coolant leaks into the engine oil, then engine oil
- (A) Appears
milky
- (B) Become
foamy
- (C) Turns
black
- (D) None
of these
3. A clutch is usually designed to transmit maximum torque which is
- (A) Equal
to the maximum engine torque
- (B) 80% of the maximum engine torque
- (C) 150% of the maximum engine torque
- (D) None
of these
4. In a four stroke engine for each crankshaft revolution, the camshaft revolves
- (A) One
half turn
- (B) One
turn
- (C) Two turns
- (D) Four
turns
5. The component of the oil filter that prevents the passage of metal particles and sludge is
- (A) Element
- (B) Relief
valve
- (C) Check
valve
- (D) Case
6. The torque available at the contact between driving wheels and road is known as
- (A) Brake effort
- (B) Tractive
effort
- (C) Clutch
effort
- (D) None
of these
7. During braking, the brake shoe is moved outward to force the lining against the
- (A) Wheel
piston or cylinder
- (B) Anchor
pin
- (C) Brake
drum
- (D) Wheel
rim or axle
8. The main function of an exhaust muffler is the
- (A) Optimization of exhaust efficiency
- (B) Reduction
of exhaust noise
- (C) Reduction
of nitrogen oxide in the exhaust gases
- (D) Reduction
of the exhaust gas volume
9. The basic purpose of tyres is to
- (A) Grip
the road and provide good traction
- (B) Substitute
for springs
- (C) Act
as brake
- (D) None
of these
10. In Diesel engines, during suction stroke, _________ is drawn in the cylinder.
- (A) Air and fuel
- (B) Only
fuel
- (C) Only air
- (D) None
of these
11. In automobiles G.V.W. refers to
- (A) Gross
vehicle width
- (B) Gross
vehicle weight
- (C) Gross
vehicle wheel base
- (D) Gross
vehicle wheel track
12. The clutch is located between the transmission and the
- (A) Engine
- (B) Rear
axle
- (C) Propeller
shaft
- (D) Differential
13. In a ventilated disc brake
- (A) A duct
directs air towards the caliper for cooling while the vehicle is moving
- (B) Caliper
is covered with cooling fins
- (C) Disc
contains many small holes for optimum cooling performance
- (D) Disc
contains radial vanes between its rubbing surfaces for optimum cooling
performance
14. The size of engine cylinder is referred in terms of its
- (A) Diameter
and bore
- (B) Displacement
and efficiency
- (C) Bore
and stroke
- (D) Bore
and length
15. The engine oil level should be checked
- (A) Immediately
after the ignition switch is turned off
- (B) While
the engine is running
- (C) A few
minutes after the ignition switch is turned off
- (D) While
the engine is running at high idle speed
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