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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

你可能感興趣的試題

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

單項(xiàng)選擇題

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

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Fire extinguishers of sizes III，IV，and V are designated as（）.

你可能感興趣的試題

Fire and abandon ship stations and duties may be found on the（）.

Fire alarm system thermostats are actuated by（）.

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Fire extinguishers of sizes III，IV，and V are designated as（）.