單項選擇題

Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）

A.Fuel supply line valve
B.Pressure registered on the accumulator gauge
C.Cold-spark voltage readings test lamp
D.Engine stop control

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單項選擇題

Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful（）.

A.to keep the boats covered at all times
B.not to leave steel or iron tools lying in or near these boats
C.to keep an electric charge on the hull at all times
D.to rinse these boats regularly with salt water

單項選擇題

All inflatable liferafts have（）.

A.safety straps from the overhead
B.built in seats
C.releasing hooks at each end
D.water stabilizing pockets

Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）

你可能感興趣的試題

Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful（）.

All inflatable liferafts have（）.

Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）