Discussion
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- Question
The function of a radiator fan in the cooling system is that
Options- A. it blows air through the radiator when necessary
- B. it is turned by wind force as the vehicle moves forward, and its rotation drives the water pump
- C. it cools the engine by blowing air onto the cylinder block
- D. it draws heat out of the engine compartment
- Correct Answer
- it blows air through the radiator when necessary
- 1. The petrol engine works on
Options- A. Otto cycle
- B. Carnot cycle
- C. Diesel cycle
- D. Rankine cycle Discuss
- 2. The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as
Options- A. supercharging
- B. auto-ignition
- C. scavenging
- D. detonation Discuss
- 3. The torque converter uses __________ to transfer torque.
Options- A. air
- B. automatic transmission fluid (ATF)
- C. gears
- D. steel belt Discuss
- 4. The composition of the electrolyte in a fully charged battery is that
Options- A. the electrolyte is pure distilled water
- B. the electrolyte is pure sulphuric acid
- C. the electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
- D. the electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight Discuss
- 5. The exhaust gas from petrol engine contains
Options- A. petrol vapours
- B. water vapours
- C. carbon monoxide
- D. all of these Discuss
- 6. The main purpose of an engine's air cleaner is that it
Options- A. controls the engine's air intake volume
- B. reduces the engine's air intake noise
- C. prevents rain water from entering the engine
- D. prevents dust and other foreign matter from entering the engine Discuss
- 7. In case of a Diesel car, the pressure at the end of compression is of the order of
Options- A. 15 bar
- B. 25 bar
- C. 35 bar
- D. 45 bar Discuss
- 8. The purpose of a balancer shaft is to
Options- A. balance the timing in the movement of the two groups of pistons
- B. increase inertia force of the rotating crankshaft
- C. reduce vibrations caused by the crankshaft rotation
- D. adjust the timing of the intake and exhaust valve openings Discuss
- 9. The ignition coil is used to
Options- A. step up current
- B. step down current
- C. step up voltage
- D. step down voltage Discuss
- 10. The purpose of a thermostat in an engine cooling system is to
Options- A. prevent the coolant from boiling
- B. allow the engine to warm up quickly
- C. indicate the coolant temperature
- D. pressurise the system to raise the boiling point Discuss
Automobile Engineering problems
Search Results
Correct Answer: Otto cycle
Correct Answer: supercharging
Correct Answer: automatic transmission fluid (ATF)
Correct Answer: the electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
Correct Answer: all of these
Correct Answer: prevents dust and other foreign matter from entering the engine
Correct Answer: 45 bar
Correct Answer: reduce vibrations caused by the crankshaft rotation
Correct Answer: step up voltage
Correct Answer: allow the engine to warm up quickly
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