單項選擇題

A passenger vessel is required to have a supervised patrol when（）.

A.there are passengers berthed on board
B.navigating in excess of eight hours
C.the vessel has substantial wood in its construction
D.there is no automatic fire-detection system installed

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單項選擇題

A marine chemist issues gas free certificates and is certified by the（）.

A.Mine Safety Appliance Association
B.American Chemical Society
C.Marine Chemists Association
D.National Fire Protection Association

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 (cartridge-operated)

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A passenger vessel is required to have a supervised patrol when（）.

你可能感興趣的試題

A marine chemist issues gas free certificates and is certified by the（）.

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