单项选择题

When the air charge contacts with the cylinders and pistons and mixes with the residual gases, it will（）

A.increase in temperature
B.lose its energy partly
C.expand and do work
D.begin to be compressed

相关考题

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A.a modern diesel engine；a turbine wheel
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C.a compressor；an exhaust gas turbocharger
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A.the use of a poor quality oil
B.the deterioration of its properties
C.the formation of deposits
D.the reduction in heat transfer ability

船舶电气与船舶安全

When the air charge contacts with the cylinders and pistons and mixes with the residual gases, it will（）