單項(xiàng)選擇題Fire hose couplings（）.

A.are made of bronze，brass，or soft alloy metals
B.should be painted red in order to identify hose lengths
C.are specially hardened to prevent crushing
D.should be greased frequently


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1.單項(xiàng)選擇題Fire fighting equipment requirements for a particular vessel may be found on the（）.

A.4Certificate of Inspection
B.Certificate of Seaworthiness
C.Classification Certificate
D.Certificate of Registry

2.單項(xiàng)選擇題Fire extinguishing agents used on Class C fires must be（）.

A.able to absorb heat
B.water based
C.nonconducting
D.nontoxic

3.單項(xiàng)選擇題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

4.單項(xiàng)選擇題Fire extinguishers of sizes III，IV，and V are designated as（）.

A.portable
B.semi-portable
C.fixed
D.disposable

5.單項(xiàng)選擇題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