单项选择题
Fire extinguishing agents used on Class C fires must be（）.
A.able to absorb heat
B.water based
C.nonconducting
D.nontoxic
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相关考题
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单项选择题
Fire extinguishers on inspected vessels 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 -
单项选择题
Fire extinguishers of sizes III，IV，and V are designated as（）.
A.portable
B.semi-portable
C.fixed
D.disposable -
单项选择题
Fire and abandon ship stations and duties may be found on the（）.
A.crewman's duty list
B.Certificate of Inspection
C.shipping articles
D.muster list
