The sprinkler system of an enclosed lifeboat is used to ______.A.cool the craft in a fireB.cool the engineC.spray oil on the sea to calm itD.spray personnel during a fire
The sprinkler system of an enclosed lifeboat is used to ______.
A.cool the craft in a fire
B.cool the engine
C.spray oil on the sea to calm it
D.spray personnel during a fire
相关考题：
Dry powder is used to put out ________A.electrical fireB.oil fireC.common firesD.all kinds of fires
To prevent the spread of fire by conduction, you should ______.A.cool the bulkheads around the fireB.remove combustibles from direct exposureC.close all openings to the areaD.shut off all electric power
What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill?A.Which survival craft was used in the drillB.The number of each lifeboat not lowered during each drillC.Only the number of each motor propelled lifeboat that is loweredD.The length of time an oar propelled lifeboat is rowed
During an abandonment or drill，the first person to arrive at the survival craft should ______.A.pass out food and water to personnelB.open the doors and start the sprinkler systemC.activate the emergency release handleD.open the doors and prepare the craft for boarding
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Aboard a survival craft, ether can be used to ______.A.start the engine in cold weatherB.aid in helping personnel breatheC.prime the sprinkler systemD.prime the air supply
After being launched from a vessel, totally enclosed survival craft which have been afloat over a long period require ______.A.frequent opening of hatches to permit entry of fresh airB.regular checks of bilge levelsC.use of ear plugs to dampen engine noiseD.frequent flushing of the water spray system with fresh water
All portable fire extinguishers must be capable of being ______.A.carried by hand to a fireB.carried or rolled to a fireC.recharged in the fieldD.used on class “B” fire
If the engine of a survival craft does not start, check to see ______.A.that the fuel valve is openB.if the air supply systen is openC.if the water sprinkler system is openD.if the limit switch in on
救生艇置放在于艇甲板。（）A、Lifeboat is located on the boat deck.B、Lifeboat is located on the main deck.C、Life craft is located on the boat deck.D、Lifeboat is located on the lower deck.
单选题Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?（）.AThe ventilators will automatically close by the action of fusible linksBThe motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crewCA water spray system to cool the outside of the boat is operated by a high-volume manual pumpDAn air tank will provide about ten minutes of air for the survivors and the engine
单选题The backup system on an electric start survival craft is a（）.Ahydraulic systemBpneumatic systemCspare batteryDhand crank
单选题Aboard a survival craft,ether can be used to（）.Astart the engine in cold weatherBaid in helping personnel breatheCprime the sprinkler systemDprime the air supply
单选题The sprinkler system of a survival craft is used to（）.Acool the craft in a fireBcool the engineCspray oil on the sea to calm itDspray personnel during a fire
单选题After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.Afrequent opening of hatches to permit entry of fresh airBregular checks of bilge levelsCuse of ear plugs to dampen engine noiseDfrequent flushing of the water spray system with fresh water
单选题During an abandonment or drill，the first person to arrive at the survival craft should（）.Apass out food and water to personnelBopen the doors and start the sprinkler systemCactivate the emergency release handleDopen the doors and prepare the craft for boarding
单选题The limit switches on a ships survival-craft winch system（）.Astop the winch just before the craft reaches the final stowage positionBlimit the amount of cable on the drumClimit the ascent rateDstop the winch in case the craft weighs too much
单选题What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill? （）AWhich survival craft was used in the drillBThe number of each lifeboat not lowered during each drillCOnly the number of each motor propelled lifeboat that is loweredDThe length of time an oar propelled lifeboat is rowed
单选题What is best suited for fighting a fire in a ballast control room?（）AAutomatic sprinkler systemBSteam smothering systemCDry chemical systemDCarbon dioxide system
单选题What is NOT a function of the air supply of a covered lifeboat?（）AProvides air for engine combustionBPressurizes water spray systemCProvides air for passenger respirationDPrevents smoke and other noxious fumes from entering craft
单选题Frapping lines are fitted to lifeboat davits to（）.Areduce the swinging of the lifeboat as it is being lowered from the embarkation levelBsecure the lifeboat in the davits when in the stowed positionChold the lifeboat to the ship's side until the tricing lines are passedDbe used as a safety line in an emergency
单选题If the engine of a survival craft does not start，check to see（）.Athat the fuel valve is openBif the air supply system is openCif the water sprinkler system is openDif the limit switch is on
单选题The primary function(s) of an automatic sprinkler system is(are) to（）.Aextinguish the fire which triggers itBlimit the spread of fire and control the amount of heat producedCprotect people in the areas which have sprinkler headsDalert the crew to the fire
单选题The sprinkler system of an enclosed lifeboat is used to（）.Acool the craft in a fireBcool the engineCspray oil on the sea to calm itDspray personnel during a fire