A.able to absorb heatB.water basedC.nonconductingD.nont……

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

单项选择题Fire alarm system thermostats are actuated by（）.

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

单项选择题Except in rare cases，it is impossible to extinguish a shipboard fire by（）.

A.removing the heat
B.removing the oxygen
C.removing the fuel
D.interrupting the chain reaction