A fire of escaping liquefied flammable gas is best extinguished by().
A、cooling the gas below the ignition point
B、cutting off the supply of oxygen
C、stopping the flow of gas
D、interrupting the chain reaction
A、cooling the gas below the ignition point
B、cutting off the supply of oxygen
C、stopping the flow of gas
D、interrupting the chain reaction
A、cooling the gas below the ignition point B、cutting off the supply of oxygen C、stopping the flow of gas D、interrupting the chain reaction
A、stopping the flow of gas B、reducing the chemical chain reaction C、increasing the oxygen supply D、cooling below the autoignition point
A、sweep flames away with water spray B、shut off the leak C、use a chemical foam fire extinguisher D、call the local fire department
A、sweep flames away with water spray B、shut off the leak C、use a chemical foam fire extinguisher D、call t e local fire department
A、size of the fire when initially observed B、complete containment of the fire C、cooling ability of the firefighting agent D、class of the fire
A、air from contacting the oil vapors B、permitting re-ignition boiling of the heated oil C、spontaneous combustion below the oil surface D、toxic fumes from escaping to the surface
A、over the top of the flames B、off a bulkhead into the fire C、in front of the fire D、at the base of the fire
A、spray directly on the base of the fire B、flow the foam down a nearby vertical surface C、sweep the fire with the foam D、spray directly on the surface of the fire