Clearance volume in actual reciprocating compressors is essential __________________?

Compressors, Gas Turbines and Jet Engines 14/08/2021

A. to accommedate Valves in the cylinder head
B. to provide cushioning effect
C. to attain high volumetric efficiency
D. to avoid mechanical bang of piston with cylinder head
E. to provide cushioning effect and also to avoid mechanical bang of piston with cylinder head

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