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- Question
The function of a proportioning control valve (PCV) in a brake system is to
Options- A. ensure that equal pressure is supplied to the front and rear brakes throughout every braking operation
- B. reduce the brake fluid pressure when the brakes approach their lockup point
- C. cause less brake fluid pressure to act on the front brakes than on the rear brakes when the fluid pressure exceeds a predetermined level
- D. cause less brake fluid pressure to act on the rear brakes than on the front brakes when the fluid pressure exceeds a predetermined level.
- Correct Answer
- cause less brake fluid pressure to act on the rear brakes than on the front brakes when the fluid pressure exceeds a predetermined level.
- 1. The main function of a resonator is that it
Options- A. regulates the intake air flow rate
- B. reduces the intake air noise .
- C. enhances intake efficiency
- D. regulates the intake air temperature Discuss
- 2. A laminated glass upon cracking
Options- A. bursts into sharp edged fragments
- B. bursts into granular pieces
- C. sandwiched layer traps the fragments
- D. breaks into the form of crystals Discuss
- 3. Caster is a
Options- A. forward tilt of the kingpin
- B. backward tilt of the kingpin
- C. either 'a' or 'b'
- D. none of these Discuss
- 4. When the top of the wheel is tilted outward, then it is called
Options- A. positive camber
- B. negative camber
- C. positive caster
- D. negative caster Discuss
- 5. An oil filter bypass valve opens when the
Options- A. engine is cold
- B. engine overheats
- C. oil filter becomes clogged
- D. engine runs at high speed Discuss
- 6. A basic difference between the spark ignition engine and the Diesel engine is that the
Options- A. Diesel engine compresses air alone instead of an air-fuel mixture
- B. air temperature ignites the fuel in the Diesel engine
- C. fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke
- D. all of the above Discuss
- 7. When indicated power (I.P.) and frictional power (F.P.) are known, we can calculate
Options- A. brake power
- B. compression ratio
- C. specific air consumption
- D. mean effective pressure Discuss
- 8. The lubrication oil flow in an engine is in the order as
Options- A. oil strainer - oil pump - relief valve - oil filter - cylinder block - cylinder head - oil pan
- B. oil pump - oil strainer - relief valve - oil filter - cylinder block - cylinder head - oil pan
- C. oil strainer - oil filter - relief valve - oil pump - cylinder block - cylinder head - oil pan
- D. oil strainer - oil pump - relief valve - oil filter - cylinder head - cylinder block - oil pan Discuss
- 9. The mechanical efficiency (?m) of an I.C. engine is equal to (where I.P. = Indicated power, B.P. = Brake power and F.P. = Frictional power)
Options- A. I.P/B.P.
- B. B.P/I.P.
- C. B.P/F.P
- D. F.P./B.P. Discuss
- 10. The compression ratio of a petrol engine is nearly
Options- A. 4:1
- B. 8:1
- C. 15:1
- D. 20:1 Discuss
Automobile Engineering problems
Search Results
Correct Answer: reduces the intake air noise .
Correct Answer: sandwiched layer traps the fragments
Correct Answer: either 'a' or 'b'
Correct Answer: positive camber
Correct Answer: oil filter becomes clogged
Correct Answer: all of the above
Correct Answer: brake power
Correct Answer: oil strainer - oil pump - relief valve - oil filter - cylinder block - cylinder head - oil pan
Correct Answer: B.P/I.P.
Correct Answer: 8:1
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