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
To prevent the spread of fire by conduction you should（）.
A
cool the bulkheads around the fire
B
remove combustibles from direct exposure
C
close all openings to the area
D
shut off all electric power
参考答案
参考解析
解析：
暂无解析
更多 “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” 相关考题
考题
I suggest we should cancel the performance immediately to________ .A.prevent fire from occurringB.avoid a trampleC.keep people awayD.stop the traffic flow
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
What should you be concerned with when loading and securing vehicles aboard a Ro-Ro vessel ________．A.That all fuel is drained from the vehicles' tanks to prevent fire hazardB.The size，weight，and center of gravity of vehicle/cargo unitC.The preferred stowage of vehicles is athwartships wherever possibleD.The vehicles' brakes should not be set to allow for adjusting the lashings
考题
What should you be concerned with when loading and securing vehicles on a Ro-Ro ________．A.Number，position and angle of lashesB.Number of axlesC.Disconnecting the battery cables to prevent fire hazardD.Minor air pressure changes in the tires
考题
The high-velocity fog tip used with the all-purpose fire fighting nozzle should always be ______．A.Attached by a chainB.Coated with heavy grease to prevent corrosionC.Painted red for identity as emergency equipmentD.Stored in the clip at each fire station
考题
Which of the following statements is FALSE concerning the proper procedure in handling a fire hose ________．A.A 1.5 inch hose should be deployed with a minimum of a nozzleman and hosemanB.Back-up hosemen should be positioned wherever the hose makes a significant turnC.The fire hose should be partially charged before deploying it from the fire stationD.The nozzleman should always hold the nozzle with one hand on top，to prevent kickback
考题
A fire starts on your vessel while refueling. You should FIRST ______.A.stop the ventilationB.sound the general alarmC.determine the source of the fireD.attempt to extinguish the fire
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
Fire hose couplings ______.A.are made of bronze brass, or soft alloy metalsB.should be painted red in order to identify hose lengthsC.are specially hardened to prevent crushingD.should be greased frequently
考题
单选题When fighting a spreading fire resulting from a broken fuel line, you should FIRST （）.A
look for a CO2 extinguisherB
use a soda acid extinguisherC
shut off the fuel supplyD
smother the fire with rags
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As soon as you hear the fire and emergency signal, you should ensure that the （）.A
ring buoys are thrown overboardB
engines are stoppedC
fire pumps are startedD
life preservers have been issued to everyone
考题
单选题If there’s a fire aboard your vessel, you should first（）.A
notify the competent authoritiesB
sound the alarmC
have passengers put on life preserversD
cut off air supply to the fire
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Before attempting to put out a class “C” fire involving an electric-driven centrifugal pump, you should FIRST （）.A
insulate your shoesB
ground the fire hoseC
secure its power supplyD
start the fire pump
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To extinguish an electrical fire, you should use （）.A
mechanical foamB
chemical foamC
carbon dioxideD
soda acid
考题
单选题A fire starts on your vessel while refueling. You should FIRST（）.A
stop the ventilationB
sound the general alarmC
determine the source of the fireD
attempt to extinguish the fire
考题
单选题If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.A
notify the engineer on watchB
isolate and secure the pipingC
throw sand on the fireD
extinguish the fire using a combination nozzle with applicator
考题
单选题A fire starts on you vessel while refueling. You should first（）.A
stop the ventilationB
sound the general alarmC
determine the source of the fireD
attempt to extinguish the fire
考题
单选题To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.A
glycerineB
graphiteC
keroseneD
fresh water and soap
考题
单选题When fighting an electrical fire, you should first （）.A
stop ventilation to the areaB
stop the vesselC
secure electricity to the circuitD
apply CO2 to the fire
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Fire dampers prevent the spread of fire by（）.A
convectionB
conductionC
radiationD
direct contact
考题
单选题When approaching a fire from win ward, you should shield firefighters from the fire by using（）A
low-velocity fogB
high-velocity fogC
a straight stream of waterD
foam spray
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
热门标签
最新试卷
