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單項(xiàng)選擇題

If emergency welding repairs must be made to the upper area of a fuel tank, the tank and/or adjacent compartments may need to be （）

A.gas freed
B.inerted
C.filled with water
D.all of the above as necessary

你可能感興趣的試題

單項(xiàng)選擇題

Which of the following statements is least likely to cause the ignition of fuel vapors?（）

A.Static electricity
B.An open running electric motor
C.Loose wiring
D.Explosion proof lights

單項(xiàng)選擇題

A burning AC motor would be considered what class of fire?（）

A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"