單項(xiàng)選擇題

When occurring a fire in the scavenge air box, the following measures should be taken except for（）

A.reducing speed to SLOW and asking bridge for permission to stop
B.stopping the fuel oil supply
C.switching-on the auxiliary blowers
D.putting the scavenge air box fire extinguishing equipment into function

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單項(xiàng)選擇題

On what do you depend having the air cooler of main engine chemically washed?（）

A.increased air pressure differenced before and aft air cooler
B.reduced exhaust temperature in all cylinders
C.reduced temperature difference between water inlet and outlet
D.both A and C

單項(xiàng)選擇題

In a four stroke engine, which process lasts the longest period?（）

A.exhaust and suction process
B.suction and compression process
C.combustion and exhaust process
D.working and exhaust process

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When occurring a fire in the scavenge air box, the following measures should be taken except for（）

你可能感興趣的試題

On what do you depend having the air cooler of main engine chemically washed?（）

In a four stroke engine, which process lasts the longest period?（）

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