Automobile Engineering – Set 12

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All questions answers in the last paragraph

Q1. When the front wheels of a vehicle are locked during braking, then

(A) Stopping distance becomes extremely long
(B) Front tyres skid across the road surface, and the vehicle spins around
(C) Rear tyres skid across the road surface, and the vehicle spins around
(D) Driver loses control over the steering, and the vehicle continues moving in its current direction

Q2. 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

Q3. When turning a corner

(A) The front wheels are toeing out
(B) The front wheels are turning on different angles
(C) The inside front wheels has a greater angle than the outside wheel
(D) All of the above

Q4. A battery can be charged by

(A) Adding distilled water
(B) Adding sulphuric acid
(C) Applying voltage in the reverse direction to that of charging
(D) Applying a voltage in the same direction to that of charging

Q5. 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

Q6. The material generally used for cylinder sleeves is

(A) Aluminium
(B) Ceramic
(C) Cast iron
(D) Fibre reinforced plastic

Q7. The timing belt is attached to the camshaft pulley and

(A) Timing belt drive pulley
(B) Distributor
(C) Radiator fan pulley
(D) Alternator pulley

Q8. 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

Q9. Vulcanizing means

(A) Heating rubber under pressure
(B) Spraying with special paint
(C) Melting rubber while stirring it
(D) None of these

Q10. A front stabilizer bar is used to

(A) Increase vehicle load carrying capacity
(B) Provide a softer ride
(C) Control suspension movement and body roll
(D) All of the above

Q11. Which of the following is not an automobile?

(A) Motor cycle
(B) Passenger car
(C) Aeroplane
(D) Truck

Q12. The included angle is the sum of the

(A) Camber and castor
(B) Castor and S.A.I.
(C) Camber and S.A.I.
(D) Camber and toe in

Q13. Caster is a

(A) Forward tilt of the kingpin
(B) Backward tilt of the kingpin
(C) Either ‘A’ or ‘B’
(D) None of these

Q14. 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

Q15. The materials used for cylinder block are

(A) Cast iron and steel
(B) Cast iron and aluminium alloy
(C) Steel and aluminium alloy
(D) Brass and steel

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