Automobile Engineering problems
- 1. The temperature indicating instrument in vehicles indicates the temperature of
Options- A. engine piston
- B. engine cylinder
- C. lubricating oil
- D. jacket cooling water Discuss
Correct Answer: jacket cooling water
- 2. The main function of an exhaust muffler is the
Options- A. optimisation of exhaust efficiency
- B. reduction of exhaust noise
- C. reduction of nitrogen oxide in the exhaust gases
- D. reduction of the exhaust gas volume Discuss
Correct Answer: reduction of exhaust noise
- 3. The ease with which petrol vapourizes is called its
Options- A. oxidation
- B. octane number
- C. volatility
- D. cetane number Discuss
Correct Answer: volatility
- 4. The self ignition temperature of Diesel as compared to petrol is
Options- A. higher
- B. lower
- C. same
- D. depends on fuel quality Discuss
Correct Answer: lower
- 5. The reconditioning process used to give cylinder bore surfaces a cross-hatch pattern, is known as
Options- A. honing
- B. porous plating
- C. boring
- D. shot peening Discuss
Correct Answer: honing
- 6. 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
Correct Answer: rear of the vehicle
- 7. 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
Correct Answer: pressure cap
- 8. Tachometer in a vehicle measures
Options- A. speed
- B. distance
- C. engine r.p.m.
- D. fuel consumption Discuss
Correct Answer: engine r.p.m.
- 9. 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
Correct Answer: lubrication performance
- 10. 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
Correct Answer: returns blow-by gases from the crankcase to the intake system
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