An important step in fighting any electrical fire is to ______.A.stop ventilationB.stop the vesselC.de-energize the circuitD.apply water to extinguish the fire
An important step in fighting any electrical fire is to ______.
A.stop ventilation
B.stop the vessel
C.de-energize the circuit
D.apply water to extinguish the fire
相关考题：
When fighting a large fire on your vessel and attacking it from ABOVE the space on fire，it is important to ______．A.Rotate personnel，due to heat stressB.Station personnel on the hot deck immediately above the fireC.Stay low by crouching or kneeling on deckD.All of the above
One disadvantage of using regular dry chemical（sodium bicarbonate）in firefighting is that ______．A.It can break down under high heat and emit noxious fumesB.It will decompose under prolonged storage and lose its effectivenessC.Fire has been known to flash back over the surface of an oil fireD.It is ineffective in fighting fires in high-voltage electrical equipment
A fire starts on your vessel while refueling. You should FIRST ______.A.stop the ventilationB.sound the general alarmC.determine the source of the fireD.attempt to extinguish the fire
A foam-type portable fire extinguisher is most useful in fighting a fire in ______.A.generatorsB.oil drumsC.the bridge controlsD.combustible metals
CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.A、commonB、oilC、electricalD、chemical
Where do you post your （）(火势控制图)?A、fire control planB、fire controlC、fire planD、fire-fighting plan
Which of the following is the MOST important step in any disaster recovery plan？（）A、 Appropriate use of backup media and offsite storageB、 The disaster recovery testing process过程C、 Classifying systems according to operational impactD、 Use appropriate fire suppressant systems
单选题If you are fighting a fire below the main deck of your vessel，which action is most important concerning the stability of the vessel?（）.AShutting off electricity to damaged cablesBPumping fire-fighting water overboardCManeuvering the vessel so the fire is on the lee sideDRemoving burned debris from the cargo hold
单选题A fire, occurring in the windings, of an overloaded electrical motor, is considered a （）.Aclass A fireBclass B fireCclass C fireDclass D fire
单选题A foam-type portable fire extinguisher is most useful in fighting a fire in（）.AgeneratorsBoil drumsCthe bridge controlsDcombustible metals
单选题When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring，his first step is to（）.Aflush water over any burned area of the patientBapply ointment to the burned areas on the patientCget assistance to shut down electrical power in the areaDremove the patient from the vicinity of the live electrical equipment or wiring
单选题If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）AShutting off electricity to damaged cablesBPumping fire-fighting water overboardCManeuvering the vessel so the fire is on the lee sideDRemoving burned debris from the cargo hold
单选题An important step in fighting any electrical fire is to（）.Astop ventilationBstop the vesselCde-energize the circuitDapply water to extinguish the fire
单选题Which of the following is the MOST important step in any disaster recovery plan？（）A Appropriate use of backup media and offsite storageB The disaster recovery testing process过程C Classifying systems according to operational impactD Use appropriate fire suppressant systems
单选题Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）.AUse the C02 system and evacuate the engine roomBUse the fire main system and evacuate the engine roomCEvacuate the engine room and use the C02 systemDEvacuate the engine room and use the fire main system
单选题A fire is considered "under control" when （）.Aall hands are at their fire stationsBall fire-fighting equipment is at the sceneCthe fixed systems are activatedDthe fire is contained and no longer spreading
单选题When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）ASecure all engine room doors，hatches，and ventsBClose the fuel line valveCCheck the spread of the fire with foamDCast the barge off the wharf
单选题The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to （）.Aevacuate all engine room personnelBfight the fire with hand portable extinguishersCactivate the mainCO2 bankDstop the flow of leaking fuel oil
单选题Ship fire-fighting organization includes （）.Ageneral alarm and fire control plansBmuster stations and duties of individualCpatrol systemDAll of the above
单选题What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）AWeightBTemperatureCElectrical nonconductivityDCost
单选题When fighting an electrical fire, you should first （）.Astop ventilation to the areaBstop the vesselCsecure electricity to the circuitDapply CO2 to the fire
单选题When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.Aover the top of the flamesBoff a bulkhead into the fireCin front of the fireDat the base of the fire
单选题What is the MOST important consideration when determining how to fight an electrical fire?（）AWhether the fire is in machinery or passenger spacesBDanger of shock to personnelCThe amount of toxic fumes created by the extinguisherDMaintaining electrical power
单选题Any extinguishing agent used on a Class “C” fire must have which important property? （）ACooling abilityBLeaves no residueCPenetrating powerDNonconductivity