下列说法有误的是()。

Before welding is permitted on a fuel tank, it must be certified or declared .

A.safe for becoming rounded

B.safe for hot work

C.not safe for personnel

D.not safe for hot work

A.gas freed

B.inerted

C.filled with water

D.all of the above as necessary

A.condensation in the fuel tank

B.a crack in the hull portion of the fuel tank

C.a load of bad fuel

D.contamination from the saltwater flushing system

Fire prevention during welding or burning aboard any vessel should include _____.

A.posting a fire watch in the immediate area

B.providing an extinguisher which is ready for immediate use

C.requiring the fire watch to remain on post for 30 minutes after the completion of welding or burning

D.All of the above

Gasoline fuel tank vents should terminate ______．

A.In the engine compartment

B.In the fuel tank space

C.Above or outside the hull

D.At the most convenient location

When welding or burning aboard a vessel, you must be certain that the space _____.

A.is properly vented

B.contains no explosive fumes

C.has no oil in the bilges

D.All of the above

In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.

A.secure all sources of fresh air to the tank

B.begin transferring the fuel to other tanks

C.top off the tank to force out all vapors

D.station someone at the fixed CO2 release controls

The efficient burning of fuel in a diesel engine is dependent upon the ______.

A.temperature of compression

B.atomization of the fuel

C.penetration of the fuel

D.all of the above