The purpose of valve clearance is to(a) Allow the valve to expand(b) Allow the sliding of valve in the guide(c) Ensure that the valve closes fully(d) Ensure that the crankshaft is free to rotateThis question was posed to me in an interview for job.This interesting question is from Engine Valves and their Mechanisms topic in section Internal Combustion Engines of Automobile Engineering

The purpose of valve clearance is to(a) Allow the valve to expand(b) A

1.	The purpose of valve clearance is to(a) Allow the valve to expand(b) Allow the sliding of valve in the guide(c) Ensure that the valve closes fully(d) Ensure that the crankshaft is free to rotateThis question was posed to me in an interview for job.This interesting question is from Engine Valves and their Mechanisms topic in section Internal Combustion Engines of Automobile Engineering
Answer» The correct option is (c) Ensure that the VALVE CLOSES fully The EXPLANATION: Valve CLEARANCE ENSURES that valve closes completely.

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