A fire in an electrical generator is considered to be （）.

A . Commence draining that tank as quickly as possible B . Seal off all vents to that tank C . Activate the CO system to that tank D . Shut off the steam heating coil

A . insulate your shoes B . ground the fire hose C . secure its power supply D . start the fire pum

A . mechanical foam B . chemical foam C . carbon dioxide D . soda acid

A . Use the CO system and evacuate the engine room B . Use the fire main system and evacuate the engine room C . Evacuate the engine room and use the CO system D . Evacuate the engine room and use the fire main system

A . Dry chemical B . Halon C . Low velocity fog D . Steam

A . the "snow" which is sometimes discharged along with the gas is toxic B . prolonged exposure to high concentrations of C0 gas causes suffocation C . rapid dissipation of the C0 vapor D . the C0 gas is lighter than air and a large amount is required to extinguisha fire near the deck

A . (1) only B . (2) only C . both (1) and (2) D . neither (1) or (2)

A . Use the C0 system and evacuate the engine room B . Use the fire main system and evacuate the engine room C . Evacuate the engine room and use the C0 system D . Evacuate the engine room and use the fire main system

A . air supply is shut off B . fuel supply is shut off C . water supply is shut off D . safety valve lift

A . dry chemical or foam B . foam or soda acid C . carbon dioxide or foam D . carbon dioxide or dry chemical

A . wasted energy B . efficient operation C . a short in the exciter field windings D . an excessive number of minor system ground

A . cannot be detected tinder normal conditions B . is of no consequence to engineering personnel C . is indicated at the branch circuit breaker panel D . is indicated by the ground detecting lamps on the main switchboard

A . generate its own electrical power B . transform electrical energy into mechanical energy C . increase or decrease circuit voltage as required D . convert AC current to DC current

A . secure the electric supply B . ventilate area to remove smoke C . start the fire pump and lead out hose D . apply foam

A . excessive purging before lighting off B . insufficient trail for ignition period C . a faulty transformer in the ignition circuit D . insufficient purging before lighting off

A . incorrect electrode setting B . incorrect nozzle position C . clogged fuel nozzle D . broken high tension lead

A . prevent the windings from becoming brittle B . prevent moisture from condensing in the windings during shutdown C . prevent acidic pitting of the slip rings D . keep the lube oil warm for quick starting

A . a mattress B . spilled liquids such as oil or paint C . high voltage electrical gear D . a trash ca

A . shield fire fighters from radiant heat B . break up burning material C . get the most water possible on the fire D . drive heat and smoke ahead of the fire fighter

A . flush water over any burned area of the patient B . apply ointment to the burned areas on the patient C . get assistance to shut down electrical power in the area D . remove the patient from the vicinity of the live electrical equipment or wiring

A . a mattress B . spilled liquids such as oil or paint C . high voltage electrical gear D . a trash ca

A、 salt water B、 foam C、 low velocity fog D、 co2

A.CO2 B.ABC dry chemical C.CO2 propelled foam D.All of the above

A.foam B.water C.dry powder