Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine ?

inlet valve closing after bottom dead centre

inlet valve opening before top dead centre

exhaust valve closing after top dead centre

inlet valve closing before bottom dead centre

Which one of the following event would reduce volumetric efficiency of

1.	Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine ?
A.	inlet valve opening before top dead centre
B.	exhaust valve closing after top dead centre
C.	inlet valve closing before bottom dead centre
D.	inlet valve closing after bottom dead centre
Answer» D. inlet valve closing after bottom dead centre