Automobile Engineering - Set 13

Practice Test: Question Set - 13

1. The commonly used antifreeze solution in automobiles is
    (A) Carbon disulphide
    (B) Ethylene glycol
    (C) Ammonium chloride
    (D) Freon-12

2. The indicated power of a four stroke engine (in watts) is equal to (where P = Mean effective pressure in N/m², L = Length of stroke in metres, A = Cross-sectional area of the piston in m², and N = Speed of the engine in revolutions per second (r.p.s)
    (A) P.L.A.N/2
    (B) P.L.A.N
    (C) 2 × P.L.A.N
    (D) P.L.A.N/4

3. Engine misfiring is likely to result from
    (A) Spark plug gap too small
    (B) Spark plug gap too wide
    (C) Vapours lock in the fuel only
    (D) Incorrect fuel air mixture

4. If the valve clearances are excessively large, the problem that can arise is
    (A) Overheating of the engine
    (B) Incomplete valve closure
    (C) Fouling of spark plug by gasoline
    (D) None of these

5. The power source for a brake booster is
    (A) Exhaust manifold pressure
    (B) Electricity
    (C) The pressure difference between the atmospheric pressure and the vacuum pressure in the intake manifold
    (D) Hydraulic pump

6. The Diesel engines are also known as
    (A) Spark ignition (S.I.) engines
    (B) Compression ignition (C.I.) engines
    (C) Steam engines
    (D) None of these

7. The specific gravity of acid in a fully charged battery is generally
    (A) 1.00
    (B) 1.28
    (C) 1.82
    (D) 2.81

8. The gear shift lever requires two separate motions to shift gears, and the first movement
    (A) Moves the synchronizer
    (B) Selects the synchronizer
    (C) Meshes the gears
    (D) Operates the clutch

9. Two speed reverse gear arrangements is generally provided in case of
    (A) Passenger cars
    (B) Matadors
    (C) Tractors
    (D) Trucks

10. Which of the following bulb in a car will have the least wattage?
    (A) Head light bulb
    (B) Stop light bulb
    (C) Parking light bulb
    (D) Ignition warning bulb

11. Wheel base of a vehicle is the
    (A) Distance between the centres of the front and rear wheels
    (B) Distance between the centres of the front tyres
    (C) Distance between the centres of the rear tyres
    (D) Extreme length of the vehicle

12. Which of the following oil is more viscous?
    (A) SAE 30
    (B) SAE 40
    (C) SAE 70
    (D) SAE 80

13. A heat treated glass generally used in automobiles bursts into ________ upon cracking,
    (A) Sharp edged fragments
    (B) Small particles
    (C) Large particles
    (D) None of these

14. The negative terminal post on the top of a battery is
    (A) Smaller than the positive terminal post
    (B) Larger than the positive terminal post
    (C) Of the same size as the positive terminal post
    (D) None of these

15. The effect of having excess camber is
    (A) Excessive steering alignment torque
    (B) Hard steering
    (C) Too much traction
    (D) Uneven tyre wear

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Automobile Engineering:
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