Question

17. The space between the top of the valve stem and the rocker arm is called the

A. end play.

B. valve clearance.

C. bearing thrust.

D. valve margin.

Answer 1

Answer- B (Valve Clearance)

The space between the rocker arm and the top of the valve stem is known as the Valve Clearance, which is also called Valve Lash. When the valve clearance is within the normal range (the normal range is usually stated in the overhaul engine manual), it indicates good internal health of the valve train.