單項選擇題

Flame screens are used to（）.

A.contain flammable fumes
B.protect firefighters from flames
C.prevent flames from entering tanks
D.keep flames and sparks from getting out of an engine's exhanst system

你可能感興趣的試題

單項選擇題

Flooding of any compartment in a ship that results in a serious loss of reserve buoyancy will always（）.

A.increase the ttrim
B.increase ship stability
C.cause a serious list
D.decrease the heeling moment

單項選擇題

Floors aboard ship are（）.

A.also called decks
B.vertical transverse plates connecting the vertical keel with the margin plates
C.large beams fitted in various parts of the vessel for additional strength
D.found in passenger and berthing spaces only