Answer / bejoy

clearance volume of a compressor actually should be minimum
enought 2 avoid piston from striking the head(thermal
expansion and valve clearance should be given)..it should
be minimum bcos greater the clearance more compressed gas
tht left in the cylinder after each compression stroke, so
tht leads to energy loss and lower efficiency..(volumetric
efficiency goes down)..

Answer / harshit

Due to clearance volume that much amount of air remains
entrapped with in the cylinder and is not delivered. Which
expands during the downward movement of piston and less air
is sucked in due to presence of this air when it is
compared with ideal compressor cycle having no clerance
volume.

Answer / arvind yeram

because of clearance volume the piston will not strike to
the cylinder head

Answer / ajay

Increase in clearance volume(Vc) decreases the performance
of the engine.

Answer / ravi raja naidu

clearance volume Vs has effect on swept volume,Free air
delivery and Volumetric eficiency , compression ratio of
compressor

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