單項選擇題A large oil fire on the deck of a ship can be fought most effectively with（）.

A.dry chemical
B.foam
C.high-velocity fog
D.water


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1.單項選擇題A life line must be conncted to the life raft（）.

A.at the bow
B.at the stern
C.in the middle
D.all around

2.單項選擇題A life raft which has inflated bottom-up on the water（）.

A.should be righted by standing on the carbon dioxide cylinder, holding the righting straps, and leaning backwards
B.should be righted by standing on the life line, holding the righting straps, and leaning backwards
C.will right itself when the canopy tubes inflate
D.must be cleared of the buoyant equipment before it will right itself

3.單項選擇題A load line of a ship is assigned by the（）.

A.minerals management service
B.Department of energy
C.corps of engineers
D.a recognized classification socitey approved

4.單項選擇題A new coil of nylon line should be opened by（）.

A.pulling the end up through the eye of the coil
B.taking a strain on both ends
C.uncoiling from the outside with the coil standing on end
D.unreeling from a spool

5.單項選擇題A preson who sees someone fall overboard should（）.

A.call for help and keep the individual in sight
B.run to the radio room to send an emergency message
C.immediately jump in the water to assist the individual
D.go to the bridge for the