Automobile Engineering - Set 05 - ObjectiveBooks

Automobile Engineering - Set 05

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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