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1、2017 航海英语复习九Key word 34:Fire fightingKey word 34:Fire fighting（9595）B1617.All of the following are part of the fire triangle EXCEPT _.A.fuelB.electricityC.oxygenD.heat【知识点】燃烧三要素【解析】不是燃烧三角形一部分的是：电气。相关题目B1727.It is used for extinguishing fires because it reduces _in the air to the point where combusti
2、on stops.A.the concentration of oxygenB.the temperatureC.the fuelD.the heatD1731.Carbon dioxide flooding system is used for extinguishing fires because it reduces the concentration ofoxygen in the air to_A.flashing pointB.combustion pointC.auto-ignition pointD.lower explosive limitC2092.Except in ra
3、re cases,it is impossible to extinguish a shipboard fire by _.A.removing the heatB.removing the oxygenC.removing the fuelD.interrupting the chain reactionA2133.Oil fires are best extinguished by _.A.cutting off the supply of oxygenB.removing the fuelC.cooling below the ignition temperatureD.spraying
4、 with waterB2189.For most products,the fire will die out when the oxygen content is reduced to _.A.10%B.12%C.15%D.21%【解析】对多数物质而言，氧气含量降至12%，火将熄灭。（非常纠结）C1465.It is necessary to secure the forced ventilation to a compartment where there is a fire to _.A.allow the exhaust fans to remove smokeB.extinguis
5、h the fire by carbon monoxide smotheringC.prevent additional oxygen from reaching the fireD.protect fire fighting personnel from smoke【解析】对一间失火的舱室，需要关闭机械通风，目的是防止有更多的氧气进入。B1585.A galley grease fire would be classified as which class of fire?A.AB.BC.CD.D【知识点】火灾的分类【解析】厨房油脂失火属于B类火。B1609.Oily rags stored
6、 in a pile that is open to the atmosphere are a hazard because they may _.A.deteriorate and give off noxious gasesB.spontaneously heat and catch fireC.attract lice and other vermin and serve as a breeding groundD.none of the above【知识点】燃烧类型自燃【解析】在有开口的桶中存放带油的抹布是危险的，因为可能自热并引发火灾。相关题目A2093.Spontaneous co
7、mbustion is most likely to occur in _.A.Rags soaked in linseed oil-浸湿亚麻子油的破布B.Overloaded electrical circuits过载的线路C.Dirty swabs and cleaning gear脏的拖把和清洁设备D.Partially loaded fuel tanks【解析】自燃最有可能发生的是：浸油的破布。B2109.Spontaneous ignition can result from_.A.an unprotected droplight bulbB.careless disposal or
8、 storage of materialC.smoking in bedD.worn electrical wires on power toolsC2112.A fire starting by spontaneous combustion can be expected in which condition?A.Paints,varnish,or other liquid flammables are stowed in a dry stores locker.B.Inert cargoes such as pig iron are loaded in a wet condition.C.
9、Oily rags are stowed in a metal pail.D.Clean mattresses are stored in contact with an electric light bulb.B2222.Accumulations of oily rags should be _.A.kept in nonmetal containersB.discarded as soon as possibleC.cleaned thoroughly for reuseD.kept in the paint locker【解析】堆积在一起的含油破布应尽快丢弃。B2420.Oily ra
10、gs stored in a pile that is open to the atmosphere are a hazard because they may_.A.deteriorate and give off noxious gassesB.spontaneously heat and catch fireC.attract lice and other vermin and serve as a breeding groundD.None of the aboveA2196.What is it called when it is possible to ignite the vap
11、or above the oil?A.flash pointB.boiling pointC.ignition pointD.pour point【知识点】燃烧类型【解析】油上面的蒸汽能燃烧的温度是闪点。D2105.Fire may be spread by which means?A.Conduction of heat to adjacent surfacesB.Direct radiationC.ConvectionD.All of the above【知识点】火灾的传播方式【解析】火灾传播方式：传导、辐射、对流。相关题目C1689.Which of the following mate
12、rials has the best heat conduction?A.gasB.liquidC.metalD.wood【解析】最能导热的是金属。A2102.Convection spreads a fire by _.A.heated gases flowing through ventilation systemsB.the transfer of heat across an unobstructed spaceC.burning liquids flowing into another spaceD.transmitting the heat of a fire through th
13、e ships metal【解析】对流传播火灾的方式：热的空气通过通风系统流动。A2187.What type of fire detectors is the first to go off in case of a fire?A.smoke detectorB.flame detectorC.heat detectorD.gas detector【知识点】火灾探测与报警【解析】最初发现火灾的探测器：烟雾探测器D1490.A definite advantage of using water as a fire extinguishing agent is its characteristi
14、c of _.A.alternate expansion and contraction as water in a liquid state becomes a vaporB.absorption of smoke and gases as water is converted from a liquid to a vaporC.rapid contraction as water is converted from a liquid to a vaporD.rapid expansion as water absorbs heat and changes to steam【知识点】灭火剂水
15、【解析】水作为灭火剂的优点是使用其特点之：当水吸热并变成蒸汽时迅速膨胀。D1597.An extinguishing agent which effectively cools,dilutes combustible vapors,removes oxygen,andprovides a heat and smoke screen is _.A.carbon dioxideB.Halon 1301C.dry chemical D.water fog【知识点】灭火剂水【解析】能够有效的冷却、稀释可燃蒸汽、除去氧气，并且提供防火和烟雾屏障的灭火剂是水。相关题目C1692.The major use
16、 of water in fighting fires is to _.A.Suffocate the fireB.Absorb the oxygen supporting the fireC.Act as a cooling agentD.Wash the fire awayD1728._ is main emergency fire system in all merchant ships.A.co2 systemB.foam systemC.dry powder systemD.water supply systemA2122.Of all the extinguishing agent
17、s listed below,which one has the greatest capacity for heat absorption?A.Water fogB.Carbon dioxideC.Dry chemicalD.Solid stream of waterD1472.Firefighting foam is only effective when the foam _.A.penetrates to the bottom of the fireB.is kept saturated with low-velocity water fogC.mixes with the burni
18、ng fuel oilD.completely covers the top of the burning liquid【知识点】灭火剂泡沫【解析】泡沫灭火剂只有当全部覆盖到燃烧液体的上面时才有效。B1498.Foam-type portable fire extinguishers are most useful in combating fires involving _.A.solid materials such as wood or bales of fiberB.inflammable liquidsC.electrical equipmentD.metallic solids【知
19、识点】灭火剂泡沫【解析】手提泡沫灭火器扑灭易燃液体火最有效。相关题目B1664.A foam-type portable fire extinguisher would be most useful in combating a fire in _.A.solid materials such as wood or bales of fiberB.flammable liquidsC.a piece of electrical equipmentD.combustible metallic solidB1582.A foam-type portable fire extinguisher is
20、 most useful in fighting a fire in _.A.generatorsB.oil drumsC.the bridge controlsD.combustible metalsB1587.A large oil fire on the deck of a ship can be fought most effectively with _.A.dry chemicalB.foamC.high-velocity fogD.water(cartridge-operated)、A1500.Foam is a very effective smothering agent a
21、nd _.A.it provides cooling as a secondary effectB.works well on extinguishing electrical firesC.can be used to combat combustible metal firesD.All of the above【知识点】灭火剂泡沫【解析】泡沫是一种非常有效的窒息剂，并且还有冷却的辅助效果。相关题目C1505.How does foam extinguish an oil fire?A.By cooling the oil below the ignition temperatureB.B
22、y removing the fuel source from the fireC.By excluding the oxygen from the fireD.By increasing the weight of the oilA1669.Foam extinguishes a fire by _.A.shutting off the air supplyB.cooling the fuel to below ignition temperatureC.dispersing the fuelD.removing the source of ignitionA1603.As an extin
23、guishing agent,foam _.A.conducts electricityB.should be directed at the base of the fireC.is most effective on burning gases which are flowingD.extinguishes by cooling oil fires below ignition temperature【知识点】灭火剂泡沫【解析】作为一种灭火剂，泡沫导电。相关题目D1604.One of the limitations of foam as an extinguishing agent is
24、 that foam _.A.cannot be made with salt waterB.is heavier than oil and sinks below its surfaceC.is corrosive and a hazard to fire fightersD.conducts electricityC1476.Which of the following is(are)an advantage of a dry chemical extinguisher over a carbondioxide extinguisher?The dry chemical extinguis
25、her _.Has a greater range.Provides aheat shield for the operator.A.onlyB.onlyC.Both and D.Neither nor【知识点】灭火剂的作用对比【解析】干粉灭火剂优于二氧化碳灭火剂的是：射程更远；能为灭火员提供隔热保护。相关题目A1596.An advantage of a dry chemical over a carbon dioxide fire extinguisher is its _.A.greater rangeB.effectiveness on all types of firesC.clea
26、nlinessD.All of the aboveC1605.As compared to carbon dioxide,dry chemical has which advantage?A.CleanerB.Effective on metal firesC.Greater rangeD.More cooling effectD1575._,as the chemical extinguisher agent,should be used for an electric fire.A.dry chemical or foamB.foam or soda acidC.carbon dioxid
27、e or foamD.carbon dioxide or dry chemical【知识点】灭火剂【解析】二氧化碳和化学干粉，作为化学灭火剂，可用于扑灭电气火。相关题目D1600.Any extinguishing agent used on a class c fire must have which important property?A.cooling abilityB.leaves no residueC.penetrating powerD.non-conductivityB2162.What method of extinguishing fire in a hatch is t
28、he best to minimize damages to the cargoes?A.FoamB.CO2C.WaterD.All of the above【解析】货舱内失火时，对货物损失最小的灭火剂是二氧化碳B2195.A frying pan catches fire in the galley,which extinguishing agents shall you use?A.WaterB.CO2 or powderC.FoamD.CO2 only【解析】厨房煎锅失火，应使用二氧化碳或干粉灭火剂。A1618.All portable fire extinguishers must b
29、e 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【知识点】灭火器【解析】所有便携式灭火器必须能够手提到火场。D1655.How do you operate a portable CO2 fire extinguisher?A.Point the horn down.B.Turn cylinder upside-down.C.Break the rupture disc.D.Pull pin,squ
30、eeze grip.【知识点】灭火器的使用二氧化碳【解析】施放二氧化碳灭火器：取下销子、压下把手。相关题目C1501.In order to discharge a CO2 portable fire extinguisher,the operator must FIRST _.A.invert the CO2 extinguisherB.squeeze the two trigger handles togetherC.remove the locking pinD.open the discharge valveB1578.A CO2 portable extinguisher is an
31、nually checked by _.A.reading the gage pressureB.weighing the extinguisherC.discharging a small amount of CO2D.seeing if the seal has been broken【知识点】灭火器的检查保养二氧化碳【解析】CO2灭火器每年用称重的方法进行检查。相关题目B2282.On a vessel,a CO2 extinguisher is checked by _.A.reading the gage pressureB.weighing the extinguisherC.di
32、scharging a small amount of CO2D.seeing if the seal has been brokenC1577.A CO2 extinguisher on a ship which has lost 10%of its charge must be_A.used at the earliest opportunityB.hydro-testedC.rechargedD.weighing again in one month【知识点】灭火器的检查保养二氧化碳【解析】CO2灭火器损失10%的重量时，应重新灌装。C1613.On a ship,firefightin
33、g equipment must be inspected once every _.A.three monthsB.six monthsC.twelve monthsD.eighteen months【知识点】消防设备的检查【解析】船上消防设备应每隔12个月进行一次检查。B1657.A carbon dioxide fire extinguisher should be recharged _.A.at least annuallyB.whenever it is below its required weightC.only if the extinguisher has been use
34、dD.before every safety inspection【知识点】灭火器的充装【解析】二氧化碳灭火器应在其低于规定重量时重新充装。相关题目D1699.After using a CO2 portable extinguisher,it should be _A.put back in service if some CO2 remainsB.hydrostatically testedC.retaggedD.RechargedB1589.A portable dry chemical fire extinguisher discharges by _.A.gravity when t
35、he extinguisher is turned upside downB.pressure from a small CO2 cartridge on the extinguisherC.air pressure from the hand pump attached to the extinguisherD.pressure from the reaction when water is mixed with the chemical【知识点】灭火器的使用干粉【解析】手提式化学干粉灭火器通过灭火器上的二氧化碳小钢瓶的压力来释放。D1480.Portable CO2 fire exting
36、uishers should NOT be used to inert a space containing flammable liquids dueto the danger of _.A.The CO2 being inhaled by personnelB.re-flash of burning liquidsC.vapor condensation on the extinguisherD.the discharge causing a static spark【知识点】惰化【解析】二氧化碳灭火器不能用于惰化装有易燃液体的舱室，原因是其释放时会产生火花。A1572.A cabinet
37、 or space containing the controls or valves for the fixed firefighting system must be_A.posted with instructions on the operation of the systemB.ventilated and equipped with explosion-proof switchesC.painted with red and black diagonal stripesD.equipped with a battery powered source of emergency lig
38、hting【知识点】固定灭火系统【解析】装有固定灭火系统的控制开关和阀门的舱室，应在操作系统旁贴有操作指南。C1637.Where shall the key to CO2 room be kept?A.in masters cabinB.in third officers cabinC.in a break-glass-type enclosure conspicuously located adjacent to the roomD.in a locked locker conspicuously located adjacent to the room【知识点】固定灭火系统【解析】二氧化
39、碳间的钥匙应保存在：房间旁边显眼处，易碎玻璃做成的箱子里。D1502.Before using a fixed CO2 system to fight an engine room fire,you must _.A.secure the engine room ventilationB.secure the machinery in the engine roomC.evacuate all engine room personnelD.All of the above【知识点】二氧化碳固定灭火系统【解析】使用固定二氧化碳灭火系统扑灭机舱火灾，必须关闭机舱通风、关闭机舱内的机器、撤出机舱内的
40、人员。相关题目C1486.Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces,such as ina pumproom,provided that the _.A.persons in the space wear gas masksB.persons in the space wear damp cloths over their mouths and nostrilsC.ventilation system is secured and all person
41、s leave the spaceD.ventilation system is kept operating【解析】在密闭空间，如泵机房，使用大量二氧化碳灭火是安全有效的，前提是关闭了通风并且人员撤离。C1646.What kind of fixed extinguished plant is installed in an oil tankers engine room and pump room?A.powder plantB.foam plantC.co2 plantD.water spray plantB2140.Fire in an engine compartment is be
42、st extinguished with carbon dioxide gas(C02)and by _.A.closing the compartment except for the ventilatorsB.completely closing the compartmentC.leaving the compartment open to the airD.increasing the air flow to the compartment by blowersA1573.No outlet on a fire hydrant may point above the horizonta
43、l in order to _A.avoid kinking the hoseB.avoid personal injury during connectionC.make connecting easierD.prevent spray on electrical equipment【知识点】水灭火系统【解析】消防栓的出水口没有朝上的，其目的是防止水龙带缠绕。B1576.A branch line valve of a fire extinguishing system on a ship must be marked with the _A.maximum pressure allowed
44、 at that branchB.name of the space or spaces which it servesC.date of the last maintenance inspectionD.pressure needed to maintain an effective stream at that point【知识点】固定灭火系统【解析】固定灭火系统的分支管路应标记有：该管路覆盖的区域名称。D1579.A combination or all-purpose nozzle produces _.A.low-velocity fog onlyB.a solid stream o
45、nlyC.a solid stream and foam D.a solid stream and fog【知识点】水灭火系统【解析】组合水枪或多功能水枪能提供水柱和水雾。across the ship.A.fire axesB.portable extinguishersC.fire hydrantsD.CO2 gas【知识点】水灭火系统【解析】船舶水灭火系统由许多位于船舶特定位置的消防栓组成。A1726.Though sea water is the best mode of fighting fire,the main emergency fire fighting system can
46、 onlybe used on fires of _A.type AB.type BC.TYPE CD.type D【知识点】水灭火系统【解析】尽管海水是最佳灭火方式，应急水灭火系统只能用于扑灭A类火。B1496.A device fitted over the discharge opening on a relief valve consisting of one or two woven wirefabrics is called a _.A.flame stopperB.flame screenC.flame filterD.flame restrictor【知识点】防火装置【解析】安
47、装于释放阀的排放口上，由一或两道钢丝网组成的装置是火星防护网。C1499.Flame screens are used to _.A.contain flammable fumesB.protect firefighters from flamesC.prevent flames from entering tanksD.keep flame and sparks from getting out of an engines exhaust system【知识点】防火装置【解析】火星防护网用于防止火星进入舱内。相关题目C2233.How should cargo tank hatches be
48、 protected when the ullage opening is open and the tank NOT gasfree?A.With gooseneck ventsB.With warning signsC.With flame screensD.With pressure-vacuum relief valvesC1497.A spark-arrestor _.A.keeps sparks from falling into an open tankB.secures covers on ullage openingsC.prevents sparks from gettin
49、g out of an engines exhaust systemD.grounds static electricity【知识点】防火装置【解析】火花熄灭器用于防止火星从机器排气系统中飞出。A1517.An oxygen indicator can be used to determine if there is _.A.sufficient oxygen in a compartment to support lifeB.combustible gases presentC.hydrogen gases presentD.All of the above【知识点】测氧仪【解析】测氧仪用于
50、测量并确定舱室内是否有足够支撑生命的氧气。B1504.Each ship having an inert gas systemmust have a portable instrument to measure concentrations ofhydrocarbon vapor in inert atmospheres and also to measure _.A.nitrogenB.oxygenC.carbon dioxideD.water vapor【知识点】可燃气体测量仪【解析】每艘装有惰性气体系统的船必须配有手提设备用于测量惰化环境中烃蒸汽的含量，同时测量氧气含量。A1638.Th