Removing which will extinguish a fire?().
A、Nitrogen
B、Carbon dioxide
C、Sodium
D、Oxygen
A、Nitrogen
B、Carbon dioxide
C、Sodium
D、Oxygen
A、KG will increase B、Metacentric height will increase C、KB will increase D、Reserve buoyancy will decrease
A、which hatch will be loaded first B、will which hatch be loaded first C、will hatch of which be loaded first D、first will which hatch be loaded
A、A.which hatch will be loaded first B、B.will which hatch be loaded first C、C.will hatch of which be loaded first D、D.first will which hatch be loaded
A、removing the oxygen B、cooling the fire below the ignition temperature C、removing combustible material D、diluting combustible vapors
A、at which a liquid will give off inflammable vapors B、at which a liquid will burn steadily C、at which a liquid will explode D、that a liquid must reach before it will flow readily
A、removing the heat B、removing the oxygen C、removing the fuel D、interrupting the chain reaction
A、removing the heal B、removing the oxygen C、removing the fuel D、interrupting the chain reaction
A、It is lower than the ignition temperature B、It is the temperature at which a substance will spontaneously ignite C、It is the temperature at which a substance, when ignited, will continue to bum D、It is the temperature at which the released vapors will fall within the explosive range