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- Question
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
- Correct Answer
- pressure cap
- 1. 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
- 2. 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
- 3. The self ignition temperature of Diesel as compared to petrol is
Options- A. higher
- B. lower
- C. same
- D. depends on fuel quality Discuss
- 4. The ease with which petrol vapourizes is called its
Options- A. oxidation
- B. octane number
- C. volatility
- D. cetane number Discuss
- 5. 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
- 6. Tachometer in a vehicle measures
Options- A. speed
- B. distance
- C. engine r.p.m.
- D. fuel consumption Discuss
- 7. 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
- 8. 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
- 9. 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. Discuss
- 10. 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
Automobile Engineering problems
Search Results
Correct Answer: rear of the vehicle
Correct Answer: honing
Correct Answer: lower
Correct Answer: volatility
Correct Answer: reduction of exhaust noise
Correct Answer: engine r.p.m.
Correct Answer: lubrication performance
Correct Answer: returns blow-by gases from the crankcase to the intake system
Correct Answer: Headlights and other electrical devices are switched off.
Correct Answer: large changes in load make it necessary to have a large suspension stroke
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