单项选择题
Propulsion engines and the vast majority of auxiliary generator engines are designed to allow a generous through-flow of scavenge air in order to control （）
A.the lubricating oil consumption
B.the turbine blade temperature
C.the flow rate of fuel
D.scavenge air pressure
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相关考题
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单项选择题
The ship emergency plan item should not include （） Ⅰ.ifesaving,fire fighting, leakage blocking, abandon ship Ⅱ.irst aid Ⅲ.ntegration emergency
A.Ⅱ
B.Ⅲ
C.Ⅰ+Ⅲ
D.Ⅰ -
单项选择题
The alarm signal for engine room catching fire is a blast of random bell follow by （）
A.two knock
B.three knocks
C.four knocks
D.five knocks -
单项选择题
In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the （） emergency.
A.fire fighting
B.leakage blocking
C.abandon ship
D.integration
