单项选择题
A.conduction B.radiation C.convection D.advection
As its temperature rises, the volume of fuel oil in the...
单项选择题As its temperature rises, the volume of fuel oil in the tanks will （）.
A.remain the same B.increase C.decrease D.none of the above
Which of the listed extinguishing agents is NOT suitabl...
单项选择题Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?（）
A.Dry chemical B.Foam C.Water D.Carbon dioxide
In the fire main system, quick cleaning strainers are l...
单项选择题In the fire main system, quick cleaning strainers are located at the（）.
A.pump suctions B.pump discharge C.fire hydrants D.hose nozzle
