Discussion
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- Question
In which of the following conditions, the idle CO percentage should be measured with the vehicle?
Options- A. Headlights and other electrical devices are switched off.
- B. Headlights and other electrical devices are switched on.
- C. Headlights and other lights are switched off.
- D. Headlights are switched on.
- Correct Answer
- Headlights and other electrical devices are switched off.
- 1. The function of positive crankcase ventilation (PCV) system is that it
Options- A. mixes fuel with air
- B. promotes combustion by creating a swirling movement in the air-fuel mixture
- C. returns blow-by gases from the crankcase to the intake system
- D. feeds blow-by gases to the exhaust manifold Discuss
- 2. The characteristic that is enhanced by the honing of cylinder sleeves inner surface is
Options- A. cooling efficiency
- B. resistance to wear
- C. lubrication performance
- D. none of these Discuss
- 3. Tachometer in a vehicle measures
Options- A. speed
- B. distance
- C. engine r.p.m.
- D. fuel consumption Discuss
- 4. The component in the radiator of an automobile that increases the boiling point of water is
Options- A. drain plug
- B. water jacket
- C. vacuum valve
- D. pressure cap Discuss
- 5. The caster is called positive when the top of the king pin is inclined to the
Options- A. rear of the vehicle
- B. front of the vehicle
- C. left of the vehicle
- D. right of the vehicle Discuss
- 6. The rigid suspension is beneficial when
Options- A. it is desired to reduce the unsprung mass
- B. it is desired to have more flexibility in design
- C. it is desired to improve tyre-to-ground contact characteristics
- D. large changes in load make it necessary to have a large suspension stroke Discuss
- 7. An under-inflated tyre will wear the tread most
Options- A. near the centre
- B. near the edges
- C. in the lateral direction
- D. in the cross direction Discuss
- 8. The discharged lead-acid battery has on its plates
Options- A. lead peroxide (PbO2)
- B. spongy lead (Pb)
- C. lead sulphate (PbSO4)
- D. sulphuric acid (H2SO4) Discuss
- 9. The most effective method of controlling S.I. engine exhaust emission is by
Options- A. recirculating exhaust
- B. using catalytic converter
- C. using some additives in the fuel
- D. none of these Discuss
- 10. The included angle is the sum of the
Options- A. camber and castor
- B. castor and S.A.I
- C. camber and S.A.I.
- D. camber and toe-in Discuss
Automobile Engineering problems
Search Results
Correct Answer: returns blow-by gases from the crankcase to the intake system
Correct Answer: lubrication performance
Correct Answer: engine r.p.m.
Correct Answer: pressure cap
Correct Answer: rear of the vehicle
Correct Answer: large changes in load make it necessary to have a large suspension stroke
Correct Answer: near the edges
Correct Answer: lead sulphate (PbSO4)
Correct Answer: using catalytic converter
Correct Answer: camber and S.A.I.
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