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单选题
An electrical fire should be put out by dry powder. （）
A
电火应该使用干粉扑灭。
B
木火应该用干粉扑灭。
C
油火应该用干粉扑灭。
D
普通火应该用干粉扑灭。
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Dry powder is used to put out ________A.electrical fireB.oil fireC.common firesD.all kinds of fires
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考题
______, as the chemical extinguisher agent, should be used for an electric fire.A.dry chemical or foamB.foam or soda acidC.carbon dioxide or foamD.carbon dioxide or dry chemical
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An ABC dry chemical fire extinguisher would be LEAST effective against a fire in ______.A.a mattressB.spilled liquids such as oil or paintC.high voltage electrical gearD.a trash can
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立即灭火并将2号货舱附近冷却。（）A、Put out the fire right now and cool hold No.2.B、Put off the fire right now and cool around No.2.C、Put on the fire right now and cool hold No.2.D、Put out the fire right away and cool around hold No.2.
考题
An electrical fire should be put out by dry powder. （）A、电火应该使用干粉扑灭。B、木火应该用干粉扑灭。C、油火应该用干粉扑灭。D、普通火应该用干粉扑灭。
考题
单选题When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.A
aimed at the source of the flamesB
fogged above the equipmentC
shot off a flat surface onto the flamesD
used to shield against electrical shock
考题
单选题An electrical fire should be put out by dry powder. （）A
电火应该使用干粉扑灭。B
木火应该用干粉扑灭。C
油火应该用干粉扑灭。D
普通火应该用干粉扑灭。
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Flames from small leaks of LFG may be extinguished by（）.A
utilizing carbon dioxide or dry chemical fire extinguishersB
utilizing soda and acid fire extinguishersC
blowing the flames outD
letting it burn itself out
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To extinguish an electrical fire, you should use （）.A
mechanical foamB
chemical foamC
carbon dioxideD
soda acid
考题
单选题（）as the chemical extinguisher agent, should be used for a an electric fire.A
Dry chemical or foamB
Foam or soda acidC
carbon dioxide or foamD
carbon dioxide or dry chemical
考题
单选题There is a fire in the crew’s quarters of your vessel. You should（）.A
ventilate the quarters as much as possibleB
prepare to abandon shipC
close all ventilation to the quarters if possibleD
attempt to put the fire out yourself before sounding the alarm
考题
单选题The type of extinguisher which should be used for an electricity fire is（）.A
foam or soda acidB
dry chemical or foamC
carbon dioxide or dry chemicalD
carbon dioxide or foam
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单选题To repair a small electrical motor that has been submerged in saltwater, you should （）.A
wash it with fresh water and apply an external source of heatB
renew the windingsC
send it ashore to an approved service facilityD
rinse all electrical parts with a carbon tetrachloride cleaning solvent and then blow dry the motor with compressed air
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What’s the attitude of many old senior officers for a minor fire?（）A
They would like to call out all hands out for itB
They would rather handle themselves, then call out all handsC
They prefer to put it out by themselvesD
They think it is difficulty to call out all hands for a minor 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Which of the listed fire extinguishers is recommended for use on an electrical switchboard fire?（）A
CO2B
ABC dry chemicalC
CO2 propelled foamD
All of the above
考题
单选题______ after the explosion happened in a factory in Dehui, Jilin on June 3rd, a lot of fire- men rushed to put out the fire.A
SadlyB
SoftlyC
ShortlyD
Suddenly
考题
单选题A fire in electrical equipment should be extinguished by using（）.A
salt waterB
foamC
low-velocity fogD
CO2
考题
单选题When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.A
over the top of the flamesB
off a bulkhead into the fireC
in front of the fireD
at the base of the fire
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