A、A.burner valve
B、B.root valve
C、C.quick closing valve
D、D.oil return valve
更多“If a fire occurs in the boiler room because of a leaking fuel line to a burner, you shut off the fuel using the（）”相关的问题
A、A.notify the engineer on watch B、B.isolate and secure the piping C、C.throw sand on the fire D、D.extinguish the fire using a combination nozzle with applicator
A、There is a fire hazard potential if a power outage occurs. B、The last system plugged into the UPS will not be provided any power. C、The UPS will draw more power from the circuit to compensate. D、The runtime of the UPS will be insufficient if a power outage occurs.
A、Should knocking occur B、If knocking occur C、Should if knocking occurs D、If occur knocking
A、high cost of fuel B、serious fire hazard C、possibility of pollution D、poor combustion which will occur in that cylinder
A、when using an indirect attack on the fire such as flooding with water B、to prevent the gases of combustion from surrounding the firefighters C、to minimize heat buildup in adjacent compartments D、if compressed gas cylinders are stowed in the compartment on fire
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