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单选题
Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.
A
used for electrical fires only
B
the smallest
C
the most accessible
D
the most effective
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单选题Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.A
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单选题On a ship，a fire pump may be used for other purposes if（）.A
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单选题Halon fire extinguishers are NOT effective when used on which types of fires?（）A
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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
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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
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单选题Traditionally，the signal for fire aboard ship is（）.A
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单选题Fire extinguishers of sizes III，IV，and V are designated as（）.A
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单选题Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.A
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top of the equipmentC
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单选题Halon from extinguishers used on a class B fire，should be directed（）.A
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at the base of the fire near the edgeC
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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
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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
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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
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单选题Fire and abandon ship stations and duties may be found on the（）.A
crewman's duty listB
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reflash of burning liquidsC
vapor condensation on the extinguisherD
the discharge causing a static spark
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单选题Dry chemical fire extinguishers are effective on which type(s) of fire?（）A
Burning oilB
ElectricalC
PaintD
All of the above
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单选题Which statement is TRUE concerning spare charges for portable fire extinguishers on unmanned tank barges?（）.A
Spare charges shall be carried for at least 50 percent of each size and variety required on boardB
If the unit cannot be charged by the vessel's personnel，one spare unit shall be carried in lieu of spare chargesC
Spare charges shall be stowed in watertight containers on deckD
Regulations concerning spare charges do not apply to unmanned barges
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