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单选题
Which statement about diesel engine combustion is true?（）
A
Combustion does not begin until the piston starts down on the power stroke
B
Maximum combustion pressure is reached before TDC
C
Turbulence in the cylinder causes a delay in ignition
D
Maximum cylinder firing pressure is not developed until the piston passes TDC
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更多 “单选题Which statement about diesel engine combustion is true?（）A Combustion does not begin until the piston starts down on the power strokeB Maximum combustion pressure is reached before TDCC Turbulence in the cylinder causes a delay in ignitionD Maximum cylinder firing pressure is not developed until the piston passes TDC” 相关考题
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