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Fire may be spread by which means?
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
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更多 “ Fire may be spread by which means?A.Conduction of heat to adjacent surfacesB.Direct radiationC.ConvectionD.All of the above ” 相关考题
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You are carrying triethylamine，methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true?A.Isoprene may be carried in a cargo tank adjacent to either of the other two cargoesB.Methyl methacrylate may not be carried in a tank adjacent to a pump roomC.Methyl methacrylate must usually be heated to maintain its stabilityD.Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine
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A person may operate an air compressor in which of the following areas on board a tank barge ________．A.PumproomB.Generator roomC.A space adjacent to a cargo tankD.A space two meters from a cargo valve
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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
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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
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单选题Besides heat, fuel, and oxygen, which of the following is necessary for a fire to exist?（）A
Chain reactionB
Thermal actionC
Chemical occlusionD
Pyrotechnical reaction
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单选题Which of the following would be of immediate concern after discovering a large fire in the ship’s galley?（）A
An adjacent storeroom，containing spare partsB
A storeroom directly above，containing combustible fluidsC
An adjacent storeroom，containing mattresses and linenD
An adjacent storeroom，marked Stewards Stores
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单选题Waterside scale in a fire-tube boiler may cause （）.A
increased heat transferB
fireside erosionC
high steam demandD
overheated tubes
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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You are carrying triethylamine，methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true? （）A
Isoprene may be carried in a cargo tank adjacent to either of the other two cargoesB
Methyl methacrylate may not be carried in a tank adjacent to a pump roomC
Methyl methacrylate must usually be heated to maintain its stabilityD
Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine
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Convection spreads a fire by（）.A
heated gases flowing through ventilation syetemB
the transfer of heat across an unobstructed spaceC
burning liquids flowing into another spaceD
transmitting the heat of a fire through the ships metal
考题
单选题Convection spreads a fire as a result of （）.A
transmitting the heat of a fire through the ships 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A fire must be ventilated（）.A
when using an indirect attack on the fire such as flooding with waterB
to prevent the gases of combustion from surrounding the firefightersC
to minimize heat buildup in adjacent compartmentsD
if compressed gas cylinders are stowed in the compartment on fire
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
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单选题Combustible material stored in a compartment adjacent to a compartment where there is a fire may be ignitedThis ignition can occur by （）.A
heat convection through the adjacent bulkheadsB
combustion gases carried through the ventilation systemC
direct convection of the heat emitted by the adjacent fireD
heat radiated from the dock or bulkhead by the adjacent fire
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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
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单选题Which space(s) on your cargo vessel must have a fire detection system?（）A
Any compartment containing explosivesB
Any compartment adjacent to one containing explosivesC
Enclosed spaces which are specially suitable for vehiclesD
All of the above
考题
单选题Which fire detection system is actuated by sensing a heat rise in a compartment?（）A
Manual fire detection systemB
Automatic fire detection systemC
Smoke detection systemD
Watchman's supervisory system
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单选题Which fire fighting agent has the greatest capacity for absorbing heat?（）A
waterB
dry chemicalC
foamD
CO2
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Which fire extinguishing agent has the greatest capacity for absorbing heat?（）A
WaterB
FoamC
Dry chemicalD
Carbon Dioxide
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A person may operate an air compressor in which of the following areas on board a tank barge?（）A
PumproomB
Generator roomC
A space adjacent to a cargo tankD
A space two meters from a cargo valve
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
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