网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
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
参考答案
参考解析
解析：
暂无解析
更多 “单选题The spread of fire is NOT prevented by（）.A shutting off the oxygen supplyB cooling surfaces adjacent to the fireC removing combustibles from the endangered areaD removing smoke and toxic gases by ensuring adequate ventilation” 相关考题
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
考题
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
考题
Fire may be spread by which means?A.Conduction of heat to adjacent surfacesB.Direct radiationC.ConvectionD.All of the above
考题
Where do you post your （）(火势控制图)?A、fire control planB、fire controlC、fire planD、fire-fighting plan
考题
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 （）.A
convectionB
conductionC
radiationD
ventilation
考题
单选题Fire may be spread by which means?（）A
Conduction of heat to adjacent surfacesB
Direct radiationC
ConvectionD
All of the above
考题
单选题Which firefighting method is an example of an indirect attack on a fire?（）.A
Bouncing a straight stream of water off the overhead to create spray effectB
Spraying foam on a bulkhead and letting it flow down and over a pool of burning oilC
Flooding a paint locker with CO2 and sealing the compartmentD
Cooling adjacent bulkheads with water to prevent the spread of the fire by conduction
考题
单选题What is meant by the term overhaul in firefighting?（）A
Slow down the spread of fire by cooling adjacent structuresB
Cover the fire with foamC
Smother the fire with a blanket or similar objectD
Break up solid objects to ensure that any deep seated fires are extinguished
考题
单选题A fire may be spread by which of the following means?（）A
Conduction of heat to adjacent surfacesB
Direct radiationC
ConvectionD
All of the above
考题
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（）.A
convectionB
conductionC
radiationD
spontaneous combustion
考题
单选题The blocking or absence of fire dampers can cause（）.A
the accumulation of explosive gasesB
faster cooling of the fireC
the fire to spread through the ventilation systemD
fixed foam systems to be ineffective
考题
单选题When two fire hose teams are attacking a fire they should（）.A
use different fire hose pressuresB
use fire hoses of different sizesC
not attack the fire from opposite sidesD
not wear protective clothing
考题
单选题An example of class "A" fire is a/an （）.A
electrical fire in the engine roomB
oil fire in the engine room bilgesC
oil fire involving a grade A petroleum productD
mattress fire in a stateroom
考题
单选题When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）A
Secure all engine room doors，hatches，and ventsB
Close the fuel line valveC
Check the spread of the fire with foamD
Cast the barge off the wharf
考题
单选题To prevent the spread of fire by convection you should （）.A
remove combustibiles from direct exposureB
cool the bulkhead around the fireC
close all openings to the areaD
shut off electrical power
考题
单选题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
考题
单选题Fire dampers prevent the spread of fire by（）.A
convectionB
conductionC
radiationD
direct contact
考题
单选题The primary function(s) of an automatic sprinkler system is(are) to（）.A
extinguish the fire which triggers itB
limit the spread of fire and control the amount of heat producedC
protect people in the areas which have sprinkler headsD
alert the crew to the fire
考题
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?（）A
Blanket the cargo spill with foamB
Prevent the spread of fire with a foam damC
Apply CO2 on burning fuel at its sourceD
Shut off the transfer of cargo
考题
单选题Radiation can spread a fire by （）.A
transmitting the heat of a fire through the ship s metalB
burning liquids flowing into another spaceC
heated gases flowing through ventilation systemsD
the transfer of heat across an unobstructed space
考题
单选题Blocking open or removing fire dampers can cause（）.A
fixed foam systems to be ineffectiveB
faster cooling of the fireC
the accumulation of explosive gasesD
the fire to spread through the ventilation system
考题
单选题Why did Russia have so many fires in one month in 2010?A
Because lightening spread the fire.B
Because there was much fuel for fires.C
Because there were not enough firefighters.D
Because it was unusually hot, dry and windy.
考题
单选题The spread of fire is prevented by（）.A
cooling surfaces adjacent to the fireB
leaving combustibles in the endangered areaC
increasing the oxygen supplyD
All of the above
热门标签
最新试卷
