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單項選擇題

Protective clothing must be worn while sampling hazardous cargo on a tanker，and as a minimum includes（）.

A.a hood or hard hat
B.a face mask or goggles
C.boots
D.chemical resistant gloves

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單項選擇題

On the all-purpose nozzle，the position of the valve when the handle is all the way forward is（）.

A.shut
B.fog
C.solid stream
D.spray

單項選擇題

On a vessel carrying grades A，B，C or D cargoes，enclosed spaces where sources of vapor ignition are normally present shall NOT be segregated from cargo tanks by（）.

A.cofferdams
B.galleys
C.pump rooms
D.tanks used to carry liquids having a flash point of 150°F or above