單項(xiàng)選擇題

In order to release CO₂ to the machinery spaces from a fixed fire extinguishing system, you must（）.

A.actuate an alarm and open the engine room control valve
B.actuate an alarm and open the engine room CO₂releasing valve
C.open the engine room control valve and shut off engine room ventilation fans
D.open the engine room control valve and then the CO₂releasing valve

你可能感興趣的試題

單項(xiàng)選擇題

To prevent the overflow of cargo tanks due to expansion, you should top off （）.

A.to the bottom of the expansion trunk
B.to within 1% to 3% of its capacity
C.to within 1% to 3% inches of its capacity
D.1 to 3 inches from top of the vent pipe

單項(xiàng)選擇題

After taking on fuel oil, the hoses should be disconnected and （）.

A.draped over the fantail to dry out
B.drained over the side and washed out
C.drained into the bilges and washed out
D.drained into buckets or fuel tanks

In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must（）.

你可能感興趣的試題

To prevent the overflow of cargo tanks due to expansion, you should top off （）.

After taking on fuel oil, the hoses should be disconnected and （）.

In order to release CO₂ to the machinery spaces from a fixed fire extinguishing system, you must（）.