A.4Certificate of Inspection
B.Certificate of Seaworthiness
C.Classification Certificate
D.Certificate of Registry
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A.able to absorb heat
B.water based
C.nonconducting
D.nontoxic
A.used for electrical fires only
B.the smallest
C.the most accessible
D.the most effective
A.portable
B.semi-portable
C.fixed
D.disposable
A.crewman's duty list
B.Certificate of Inspection
C.shipping articles
D.muster list
A.smoke sensors
B.the difference in thermal expansion of two dissimilar metals
C.pressure loss due to air being heated
D.an electric eye which actuates when smoke interferes with the beam
最新試題
Foam is a very effective smothering agent and（）.
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
How is the external flotation bladder of an immersion suit inflated?（）
Halon extinguishes fire primarily by（）.
Fusible-link fire dampers are operated by（）.
Flame screens are used to（）.
Foam extinguishes a fire by（）.
Fire hose should be washed with（）.
Halon extinguishers used on a class C fire should be directed at the（）.