单选

The clearance volume for a single stage compressor is defined as the space created between the _____.

A.top of the piston and bottom side of head, with the piston at BDC
B.piston and head, including the space around the piston to the top of the upper ring and under the valves, with the piston at TDC
C.bottom of the piston and bottom side of the head at TDC, regardless of upper ring location and valve placement
D.top of the piston and bottom side of the head at TDC as compared to that which exists between the top of the piston and bottom side of head at BDC

试题出自试卷《海船船员适任证书三管轮模拟试题5(轮机英语)》

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