Automobile Engineering - Set 08

Practice Test: Question Set - 08


1. The ignition coil is used to
    (A) Step up current
    (B) Step down current
    (C) Step up voltage
    (D) Step down voltage

2. The process of removing the burnt gases from the engine cylinder by the fresh charge coming into the engine cylinder from the crankcase, is known as
    (A) Cleaning
    (B) Priming
    (C) Scavenging
    (D) Detonation

3. The self ignition temperature of Diesel as compared to petrol is
    (A) Higher
    (B) Lower
    (C) Same
    (D) Depends on fuel quality

4. With the increase of battery temperature, the specific gravity of electrolyte
    (A) Increases
    (B) Decreases
    (C) Remains the same
    (D) None of these

5. The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as
    (A) Supercharging
    (B) Auto ignition
    (C) Scavenging
    (D) Detonation

6. In aluminium cylinder blocks, the cylinder liners are made of
    (A) Aluminium
    (B) Ceramic
    (C) Brass
    (D) Cast iron

7. The purpose of a balancer shaft is to
    (A) Balance the timing in the movement of the two groups of pistons
    (B) Increase inertia force of the rotating crankshaft
    (C) Reduce vibrations caused by the crankshaft rotation
    (D) Adjusts the timing of the intake and exhaust valve openings

8. Free pedal play in car clutches is about
    (A) 15 mm
    (B) 25 mm
    (C) 40 mm
    (D) 60 mm

9. The caster is called positive when the top of the king pin is inclined to the
    (A) Rear of the vehicle
    (B) Front of the vehicle
    (C) Left of the vehicle
    (D) Right of the vehicle

10. In Spark Ignition Engine
    (A) Only air is introduced into the cylinder
    (B) The mixture of air and fuel is introduced into the cylinder from carburettor
    (C) Both (A) and (B)
    (D) None of these

11. The caster is called positive when the top of the king pin is inclined to the
    (A) Rear of the vehicle
    (B) Front of the vehicle
    (C) Left of the vehicle
    (D) Right of the vehicle

12. The main purpose of an engine's air cleaner is that it
    (A) Controls the engine's air intake volume
    (B) Reduces the engine's air intake noise
    (C) Prevents rain water from entering the engine
    (D) Prevents dust and other foreign matter from entering the engine

13. The device for smoothening out the power impulses from the engine is called
    (A) Clutch
    (B) Differential
    (C) Flywheel
    (D) Torque converter

14. The main function of a master cylinder is to
    (A) Adjust the extent of brake pedal free play
    (B) Boost the force applied to brake pedal
    (C) Convert brake pedal force into hydraulic pressure
    (D) Ensure that all the wheel brakes are supplied with the same amount of fluid pressure

15. The exhaust gas from petrol engine contains
    (A) Petrol vapours
    (B) Water vapours
    (C) Carbon monoxide
    (D) All of these

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Automobile Engineering:
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