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
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相关考题
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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 -
单项选择题
In the voyage, when carrying out abandon ship drill （） should be test every time.
A.the emergency lighting system for muster and abandon ship
B.air oil emergency shut-down
C.ME emergency operation
D.main auxiliary steering gear changing -
单项选择题
According to the ship emergency plan, when average accident happened and the captain made the decision to withdraw from the engine room before leaving the engine room, the wrong operation is that （）
A.the chief engineer leaves the engineer room with the engine room log book at first
B.releasing compressed air in the air receiver and closing the watertight door
C.stopping all the running machineries and electric devices
D.closing the quick-closing valves of all the oil tanks, stopping the boiler and releasing gas
