海船船员考试

单选题Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?（）A compression must be low for effective spark ignitionB compression must be low for required horsepower and torque

题目
单选题
Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?（）
A

compression must be low for effective spark ignition

B

compression must be low for required horsepower and torque generation

C

compression must be low to prevent pre-ignition

D

compression must be low to have effective pre-ignition

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Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?

A.compression must be low for effective spark ignition

B.compression must be low for required horsepower and torque generation

C.compression must be low to prevent pre-ignition

D.compression must be low to have effective pre-ignition


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解析：
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