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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Convection spreads a fire by（）.A
heated gases flowing through ventilation systemsB
the transfer of heat across an unobstructed spaceC
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单选题Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.A
used for electrical fires onlyB
the smallestC
the most accessibleD
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单选题On a ship，a fire pump may be used for other purposes if（）.A
the other services are run off a reducing station with a pressure gageB
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all other services are operated by a manifold near the pumpD
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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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Stores such as line，rags，mattresses，linens，etc. must be treated to be fire retardantB
Stores certified for use on uninspected vessels may be identified by the certification number used by Underwriter's LaboratoriesC
A portable container of a flammable liquid used as fuel for portable auxiliary equipment must be stowed in a paint locker or at a designated open locationD
Acetylene may be in a ship's storeroom in quantities not exceeding 6000 cubic feet
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Soda acidB
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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
using a 2-1/2 inch hoseB
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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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continuous sounding of the ship's whistle and the general alarm for at least 10 secondsC
1 short blast on the whistleD
alternating short and long blasts on the ship's whistle
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单选题Fire extinguishers of sizes III，IV，and V are designated as（）.A
portableB
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base of the equipmentB
top of the equipmentC
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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
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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
考题
单选题Fire and abandon ship stations and duties may be found on the（）.A
crewman's duty listB
certificate of inspectionC
shipping articalesD
muster list
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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 personnelB
reflash of burning liquidsC
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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
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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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