Question 15 of 30
Function of a cylinder head relief valve is to
A
Release excessive pressure
B
Reduce the speed of the engine
C
Stop the engine
D
Prevent crankcase explosion
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Answer & Explanation
The correct answer is Option A: Release excessive pressure.
A cylinder head relief valve is a safety device designed to automatically open and release excessive pressure that may build up inside the engine cylinder during operation. This prevents damage to the cylinder head and liner and potential engine failure.