单选题The spread of fire is NOT prevented by（）.Ashutting off the oxygen supplyBcooling surfaces adjacent to the fireCremoving combustibles from the endangered areaDremoving smoke and toxic gases by ensuring adequate ventilation
单选题
The spread of fire is NOT prevented by（）.
A
shutting off the oxygen supply
B
cooling surfaces adjacent to the fire
C
removing combustibles from the endangered area
D
removing smoke and toxic gases by ensuring adequate ventilation
参考解析
解析：
暂无解析
相关考题：
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
In the event of fire in a machinery space，______.A.the fixed carbon dioxide system should be used only when all other means of extinguishment have failedB.the fixed carbon dioxide system should be used immediately，as it is the most efficient means of extinguishmentC.water in any form should not be used as it will spread the fireD.the space should be opened 5 minutes after flooding CO2 to prevent injury to personnel
Fire may be spread by which means?A.Conduction of heat to adjacent surfacesB.Direct radiationC.ConvectionD.All of the above
Where do you post your （）(火势控制图)?A、fire control planB、fire controlC、fire planD、fire-fighting plan
单选题In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by （）.AconvectionBconductionCradiationDventilation
单选题Fire may be spread by which means?（）AConduction of heat to adjacent surfacesBDirect radiationCConvectionDAll of the above
单选题Which firefighting method is an example of an indirect attack on a fire?（）.ABouncing a straight stream of water off the overhead to create spray effectBSpraying foam on a bulkhead and letting it flow down and over a pool of burning oilCFlooding a paint locker with CO2 and sealing the compartmentDCooling adjacent bulkheads with water to prevent the spread of the fire by conduction
单选题What is meant by the term overhaul in firefighting?（）ASlow down the spread of fire by cooling adjacent structuresBCover the fire with foamCSmother the fire with a blanket or similar objectDBreak up solid objects to ensure that any deep seated fires are extinguished
单选题A fire may be spread by which of the following means?（）AConduction of heat to adjacent surfacesBDirect radiationCConvectionDAll of the above
单选题Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.AconvectionBconductionCradiationDspontaneous combustion
单选题The blocking or absence of fire dampers can cause（）.Athe accumulation of explosive gasesBfaster cooling of the fireCthe fire to spread through the ventilation systemDfixed foam systems to be ineffective
单选题When two fire hose teams are attacking a fire they should（）.Ause different fire hose pressuresBuse fire hoses of different sizesCnot attack the fire from opposite sidesDnot wear protective clothing
单选题An example of class "A" fire is a/an （）.Aelectrical fire in the engine roomBoil fire in the engine room bilgesCoil fire involving a grade A petroleum productDmattress fire in a stateroom
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To prevent the spread of fire by convection you should （）.Aremove combustibiles from direct exposureBcool the bulkhead around the fireCclose all openings to the areaDshut off electrical power
单选题To prevent the spread of fire by conduction you should（）.Acool the bulkheads around the fireBremove combustibles from direct exposureCclose all openings to the areaDshut off all electric power
单选题Fire dampers prevent the spread of fire by（）.AconvectionBconductionCradiationDdirect contact
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When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）ABlanket the cargo spill with foamBPrevent the spread of fire with a foam damCApply CO2 on burning fuel at its sourceDShut off the transfer of cargo
单选题Radiation can spread a fire by （）.Atransmitting the heat of a fire through the ship s metalBburning liquids flowing into another spaceCheated gases flowing through ventilation systemsDthe transfer of heat across an unobstructed space
单选题Blocking open or removing fire dampers can cause（）.Afixed foam systems to be ineffectiveBfaster cooling of the fireCthe accumulation of explosive gasesDthe fire to spread through the ventilation system
单选题Why did Russia have so many fires in one month in 2010?ABecause lightening spread the fire.BBecause there was much fuel for fires.CBecause there were not enough firefighters.DBecause it was unusually hot, dry and windy.
单选题The spread of fire is prevented by（）.Acooling surfaces adjacent to the fireBleaving combustibles in the endangered areaCincreasing the oxygen supplyDAll of the above