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单选题
Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.
A
the CO2 being inhaled by personnel
B
reflash of burning liquids
C
vapor condensation on the extinguisher
D
the discharge causing a static spark
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考题
Portable carbon dioxide fire extinguishers should be sent ashore to be rechargedA.when the remaining charge volume is less than 90 percent of the required volumeB.at each inspection for certificationC.at each annual inspectionD.when the weight loss exceeds 10% of weight of charge
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
The required number and type of hand portable fire extinguishers for staterooms on cargo vessels is ______.A.one A-IB.one B-IC.one C-ID.none required
考题
To determine the number of portable fire extinguishers required on an inspected vessel，you should check the ______.A.hot work permitB.Certificate of InspectionC.Safety of Life at Sea CertificateD.station bill
考题
You are planning to use the crude oil washing system on your tanker．What is required to prevent electrostatic buildup in the tanks ________．A.The portable machines should be set at the proper drop for the first wash before the fixed machines are usedB.The tank used as the source for the tank cleaning machines should be debottomed for at least one meterC.The inert gas system must reduce the oxygen content in the tank to at least 18%D.The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential
考题
All portable fire extinguishers must be capable of being ______.A.carried by hand to a fireB.carried or rolled to a fireC.recharged in the fieldD.used on class “B” fire
考题
Each hand portable fire extinguisher on M/V Utopia must be marked with______．A.the date that it was installed on the unitB.the names of the individuals qualified to use itC.the name of the unit on which it is locatedD.an identification number different from other extinguishers on the unit
考题
Foam-type portable fire extinguishers are most useful in combating fires involving ______.A.solid materials such as wood or bales of fiberB.inflammable liquidsC.electrical equipmentD.metallic solids
考题
Carry （）（手提灭火器）to the fire place.A、extinguishersB、portable extinguishersC、dry foam extinguishersD、CO2 extinguishers
考题
CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.A、commonB、oilC、electricalD、chemical
考题
单选题Halon fire extinguishers are NOT effective when used on which types of fires?（）A
Fires in electrical equipmentB
Flammable oils and greasesC
Class A fires in ordinary combustiblesD
Materials containing their own oxygen
考题
单选题Foam-type portable fire extinguishers are more usefull in combating fires involving（）.A
solid materials such as wood or bales of fiberB
inflammable liquidsC
electrical equipmentD
metallic solids
考题
单选题Portable foam type fire extinguishers are most effective on（）.A
mattress firesB
oil firesC
wood firesD
All of the above
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 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Portable carbon dioxide fire extinguishers should be sent ashore to be recharged （）.A
when the remaining charge volume is less than 90 percent of the required VOLUMEB
at each inspection for certificationC
at each annual inspectionD
when the weight loss exceeds 10% of weight of charge
考题
单选题The required number and type of hand portable fire extinguishers for staterooms on cargo vessels is（）.A
one A-IB
one B-IC
one C-ID
none required
考题
单选题All portable fire extinguishers must be capable of being（）.A
carried by hand to a fireB
carried or rolled to a fireC
recharged in the fieldD
used on class 'B' fires
考题
单选题Which types of portable extinguisher should you watch for the reflash of the fire?（）A
foam and waterB
CO2 and dry chemicalC
dry chemical and waterD
foam and CO2
考题
单选题Which types of portable fire extinguishers are designed for use on electrical fires?（）A
Dry chemical and carbon dioxideB
Foam (stored pressure) and soda-acidC
Carbon dioxide and foam (stored pressure)D
Dry chemical and soda-acid
考题
单选题If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?（）A
Fixed CO2,semi-portable CO2, then hand portable CO2B
Semi-portable CO2, fixedCO2, then hand portable CO2C
Hand portable, semi-portable CO2, then as a last resort the fixed CO2 systemD
Hand portable, fixed CO2, then as a last resort the semi-portable CO2
考题
单选题Halon extinguishers used on a class C fire should be directed at the（）.A
base of the equipmentB
top of the equipmentC
power sourceD
source of the fire
考题
单选题Halon from extinguishers used on a class B fire，should be directed（）.A
at the top of the flamesB
at the base of the fire near the edgeC
in short quick burstsD
toward the upwind side of the fire
考题
单选题Each hand portable fire extinguisher on a ship must be marked with（）.A
the name of the unit on which it is locatedB
the date that it was installed on the unitC
the names of the individuals qualified to use itD
an identification number different from other extinguishers on the unit
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Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.A
only when fully loadedB
if one or more tanks are fullC
when transferring cargoD
only when the barge is being towed
考题
单选题To determine the number of portable fire extinguishers required on an inspected vessel，you should check the（）.A
hot work permitB
Certificate of InspectionC
Safety of Life at Sea CertificateD
Muster List
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