Which of the following reasons represents why the designed c

【名词&注释】

救生艇(boat)

[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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学习资料：

[单选题]Dry powder is used to put out ________

A. electrical fire
B. oil fire
C. common fires
D. all kinds of fires

[单选题]The ship security officer shall have knowledge and have received training, taking into account the guidance given in Part B of ____ .

A. the ISM Code
B. the ISPS Code
C. the IBC Code
D. the IGC Code

[单选题]饮水在保管良好的情况下能保存：

A. 20～30天
B. 40～60天
C. 60～80天

[单选题]救生艇的长度规定为：

A. 大于3.5M、小于8.5M
B. 大于7.5M、小于8.5M
C. 大于3.5M、小于7.5M
D. 大于3.5M、小于7.0M

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