单项选择题
A.able to absorb heat B.water based C.nonconducting D.nontoxic
Fire extinguishers on inspected vessels are numbered by...
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
Fire extinguishers of sizes III,IV,and V are designated...
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
Fire and abandon ship stations and duties may be found ...
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