A、gravity when the extinguisher is turned upside down
B、pressure from a small CO2 cartridge on the extinguisher
C、air pressure from the hand pump attached to the extinguisher
D、pressure from the reaction when water is mixed with the chemical
更多“A portable dry chemical fire extinguisher discharges by（）.”相关的问题
A、Dry chemical and carbon dioxide B、Foam (stored pressure) and soda-acid C、Carbon dioxide and foam (stored pressure) D、Dry chemical and soda-acid
A、Test the pressure gauge for correct reading B、Weigh the cartridge C、Replace the dry chemical D、Pressure test the discharge hose
A、Dry chemical (cartridge-operated) B、Water (cartridge-operated) C、Water (pump tank) D、Carbon dioxide
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
客服
TOP
查看正确答案
