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- Question
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
- Correct Answer
- 45 bar
- 1. 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
- 2. 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 Discuss
- 3. The petrol engine works on
Options- A. Otto cycle
- B. Carnot cycle
- C. Diesel cycle
- D. Rankine cycle Discuss
- 4. 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
- 5. The torque converter uses __________ to transfer torque.
Options- A. air
- B. automatic transmission fluid (ATF)
- C. gears
- D. steel belt Discuss
- 6. 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
- 7. The ignition coil is used to
Options- A. step up current
- B. step down current
- C. step up voltage
- D. step down voltage Discuss
- 8. 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
- 9. The gradient resistance to a vehicle having a mass of 980 kg moving on an incline of 10° is
Options- A. 1.6694 N
- B. 16.694 N
- C. 166.94 N
- D. 1669.4 N Discuss
- 10. In aluminium cylinder blocks, the cylinder liners are made of
Options- A. aluminium
- B. ceramic
- C. brass
- D. cast iron Discuss
Automobile Engineering problems
Search Results
Correct Answer: prevents dust and other foreign matter from entering the engine
Correct Answer: it blows air through the radiator when necessary
Correct Answer: Otto cycle
Correct Answer: supercharging
Correct Answer: automatic transmission fluid (ATF)
Correct Answer: reduce vibrations caused by the crankshaft rotation
Correct Answer: step up voltage
Correct Answer: allow the engine to warm up quickly
Correct Answer: 1669.4 N
Correct Answer: cast iron
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