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Inspection of a Halon extinguisher involves checking the hose，handle，nozzle，and ______.
A.sight glass
B.weighing the extinguisher
C.service technicians report
D.last date it was charged
参考答案
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单选题Inspection of a Halon extinguisher involves checking the hose，handle，nozzle，and（）.A
sight glassB
weighing the extinguisherC
service technicians reportD
last date it was charged
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单选题The nozzle of a gasoline hose or can should be kept（）.A
in contact with the fill opening to guard against static sparkB
from making contact with the fill opening to guard against static sparkC
in contact with the fill opening to allow proper ventingD
None of the above
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单选题Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）A
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Replace the cartridgeC
Pressure test the discharge hoseD
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at least annuallyB
whenever it is below its required weightC
only if the extinguisher has been usedD
before every safety inspection
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单选题After using a Halon extinguisher，it should be（）.A
put back in service if more than 50% of the charge remainsB
repaintedC
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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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