Automobile Engineering - Set 11

Practice Test: Question Set - 11


1. The combustion process in a Diesel engine is a
    (A) Constant volume process
    (B) Constant pressure process
    (C) Constant temperature process
    (D) Adiabatic process

2. The damper fluid leakage typically occur from
    (A) Upper damper mounting
    (B) Bottom of damper
    (C) Clearance between inner and outer tubes of damper
    (D) Coil spring mounting

3. The tyre rotation is generally done at
    (A) 1000 km
    (B) 4000 km
    (C) 6000 km
    (D) 10,000 km

4. The function of a proportioning control valve (PCV) in a brake system is to
    (A) Ensure that equal pressure is supplied to the front and rear brakes throughout every braking operation
    (B) Reduce the brake fluid pressure when the brakes approach their lockup point
    (C) Cause less brake fluid pressure to act on the front brakes than on the rear brakes when the fluid pressure exceeds a predetermined level
    (D) Cause less brake fluid pressure to act on the rear brakes than on the front brakes when the fluid pressure exceeds a predetermined level

5. An under-inflated tyre will wear the tread most
    (A) Near the centre
    (B) Near the edges
    (C) In the lateral direction
    (D) In the cross direction

6. The purpose of a cylinder head gasket is to
    (A) Prevent the combustion gases from leaking from the joint between the cylinder block and the cylinder head
    (B) Prevent engine oil from going into combustion chamber
    (C) Removes impurities from cylinder head lubricating oil
    (D) None of the above

7. During suction stroke, the inside pressure of cylinder is
    (A) More than the atmospheric pressure
    (B) Less than the atmospheric pressure
    (C) Equal to the atmospheric pressure
    (D) None of these

8. The function of an oil control orifice is that it
    (A) Returns cylinder head lubricating oil to the oil pan at high speed
    (B) Turns oil into fine mist for spray lubrication
    (C) Regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
    (D) Removes impurities from cylinder head lubricating oil

9. Which of the following parameter can be adjusted by modifying the tie rod attachment length?
    (A) Camber
    (B) Caster
    (C) Toe
    (D) Steering gear ratio

10. The lubrication oil flow in an engine is in the order as
    (A) Oil strainer, oil pump, relief valve, oil filter, cylinder block, cylinder head and oil pan
    (B) Oil pump, oil strainer, relief valve, oil filter, cylinder block, cylinder head and oil pan
    (C) Oil strainer, oil filter, relief valve, oil pump, cylinder block, cylinder head and oil pan
    (D) Oil strainer, oil pump, relief valve, oil filter, cylinder head, cylinder block and oil pan

11. A three way catalytic converter
    (A) Re-circulates exhaust gases
    (B) Burns fuel vapour gases
    (C) Reduces N₂, H₂O, and CO₂ emission levels
    (D) Removes CO, HC, and NO₂ from the exhaust gases passing through it

12. The fuel pump in the programmed fuel injection (PFI) system is located
    (A) Between the fuel filler pipe and fuel tank
    (B) In the fuel tank
    (C) On the distributor mounting in the engine compartment
    (D) On the engine compartment bulkhead

13. The basic purpose of tyre rotation on automobiles is to
    (A) Avoid ply separation
    (B) Equalize wear
    (C) Get better ride
    (D) None of these

14. Which of the following is not an automobile?
    (A) Motor cycle
    (B) Passenger car
    (C) Aeroplane
    (D) Truck

15. The ignition in a spark ignition engine takes place when the piston is
    (A) Exactly at the T.D.C. position on its compression stroke
    (B) Approaching the T.D.C. position on its compression stroke
    (C) Leaving the T.D.C. position on its compression stroke
    (D) Approaching the T.D.C position on its exhaust stroke

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Automobile Engineering:
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