The function of a proportioning control valve (PCV) in a brake system is to

Mechanical Engineering : Automobile Engineering - Quiz(MCQ)

reduce the brake fluid pressure when the brakes approach their lockup point

cause less brake fluid pressure to act on the rear brakes than on the front brakes when the fluid pressure exceeds a predetermined level.

ensure that equal pressure is supplied to the front and rear brakes throughout every braking operation

cause less brake fluid pressure to act on the front brakes than on the rear brakes when the fluid pressure exceeds a predetermined level

Correct Answer : Option (B) : cause less brake fluid pressure to act on the rear brakes than on the front brakes when the fluid pressure exceeds a predetermined level.

Recently Updated in Automobile Engineering Questions

Which of the following terms is used to express Ignition advance?

Crank angle

Time in milliseconds

Millimetres of piston travel before TDC

All of the above

Correct Answer : All of the above

Explanation : Ignition advance can be expressed in terms of any of the following.

Which of the following material is used to make connecting rod?

Forged steel

Tool steel

Cast iron

Mild steel

Correct Answer : Forged steel

Explanation : Connecting rod is made of forged steel.

Which of the following is defined as the escape of burned gases from the combustion chamber past the pistons and into the crankcase?

Gas loss

By pass

Blow by

Passed gas

Correct Answer : Blow by

Explanation : Blow by is the surging of burned gases from the combustion chamber into the crankcase.

Mechanical Engineering MCQ's

Theory of Machines

Engineering Mechanics

Machine Design

Strength of Materials

Engineering Materials

Automobile Engineering

Steam Boilers and Engines