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
This fire extinguisher is to be used only in case of（）
A
urgency
B
crisis
C
immediacy
D
emergency
参考答案
参考解析
解析：
暂无解析
更多 “单选题This fire extinguisher is to be used only in case of（）A urgencyB crisisC immediacyD emergency” 相关考题
考题
What type of extinguisher should be used for an electric fire? ________A.CO2B.FormC.WaterD.Water and Form
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
考题
A carbon dioxide fire extinguisher should be recharged ______.A.at least annuallyB.whenever it is below its required weightC.only if the extinguisher has been usedD.before every safety inspection
考题
A foam-type portable fire extinguisher is most useful in fighting a fire in ______.A.generatorsB.oil drumsC.the bridge controlsD.combustible metals
考题
Fire in the cabins. Close all fire doors and use the （）powder extinguisher.A、dryB、wetC、foamD、portable
考题
Inform the bridge and give the alarm at once （）the fire.A、in caseB、case ofC、in case ofD、in the case of
考题
单选题This fire extinguisher is to be used only in case of（）A
urgencyB
crisisC
immediacyD
emergency
考题
单选题A foam-type portable fire extinguisher is most useful in fighting a fire in（）.A
generatorsB
oil drumsC
the bridge controlsD
combustible metals
考题
单选题A high-velocity fog stream can be used in fire fighting situations to drive heat and smoke ahead of the fire fighters in a passageway. This technique should only be used when（）.A
using a 2-1/2 inch hoseB
there is an outlet for the smoke and heatC
the fire is totally contained by the ship's structureD
at least two fog streams can be used
考题
单选题If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）A
Dry chemicalB
HalonC
Low velocity fogD
Steam
考题
单选题Which one might be used most likely in case of a fire?（）A
lifejacketB
SCBAC
lifeboatD
torch
考题
单选题A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.A
generatorsB
oil drumsC
the bridge controlsD
combustible metals
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Which portable fire extinguisher should be used on a class C fire on board a vessel?（）A
Carbon dioxideB
Water (stored pressure)C
FoamD
Carbon tetrachloride
考题
单选题On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）A
Carbon dioxideB
Water (stored pressure)C
Dry chemicalD
Foam
考题
单选题A foam-type portable fire extinguisher would be most useful in combating a fire in（）.A
soild materials such as wood or bales of fiberB
flammable liquidsC
a piece of electrical equipmentD
combustible metallic solids
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
考题
单选题关闭所有防火门并使用干粉灭火器。（）A
Close all fire doors and use the dry powder extinguisher.B
Close all fire doors and use the foam extinguisher.C
Close all fire doors and use the CO2 extinguisher.D
Close all fire rooms and use the dry powder extinguisher.
考题
单选题A carbon dioxide fire extinguisher should be recharged（）.A
at least annuallyB
whenever it is below its required weightC
only if the extinguisher has been usedD
before every safety inspection
考题
单选题Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by（）.A
authorized fire equipment servicing personnel onlyB
replacing the propellent cartridge and refilling with powderC
puncturing the cartridge seal after installationD
recharging the cartridge and refilling it with powder
考题
单选题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
考题
单选题Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.A
outsideB
on class C firesC
in an emergencyD
on class B fires
考题
单选题Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?（）A
Check the tag to see when the extinguisher was last chargedB
Release a small amount of CO2; if the CO2 discharges，the extinguisher is acceptableC
Weigh the extinguisher and compare the weight against that stamped on the valveD
Recharge the extinguisher at least once each year
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
考题
单选题What is the best title for this passage?A
The Dangers of a Fire.B
The Cause of a Fire.C
Learn to Use a Fire Extinguisher.D
Be Ready for a Fire.
热门标签
最新试卷