单项选择题
A.Never remove the line from the rocket B.Fire it at an angle of approximately 90 degrees to the horizon C.Wear asbestos gloves D.All of the above
Which portable fire extinguisher should be used on a cl...
单项选择题Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
A.Carbon dioxide B.Water (stored pressure) C.Foam D.Carbon tetrachloride
Which portable fire extinguisher is normally recharged ...
单项选择题Which portable fire extinguisher is normally recharged in a shore facility?（）
A.Dry chemical (cartridge-operated) B.Water (cartridge-operated) C.Water (pump tank) D.Carbon dioxide
Which item is NOT included in the fireman’s outfit on a...
单项选择题Which item is NOT included in the fireman’s outfit on a cargo vessel?（）
A.Fire ax B.Flashlight C.rigid helmet D.Fresh air breathing apparatus
