單項(xiàng)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


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1.單項(xiàng)選擇題Oil may NOT be transferred unless().

A.there are two certificated tankermen on each vessel
B.the vessel is equipped with constant-tension winches
C.discharge containment equipment (i.e. drip pans) are in place
D.All of the above

2.單項(xiàng)選擇題Of the following,the most important consideration for a tanker is().

A.GM
B.the vertical center of gravity
C.the longitudinal center of gravity
D.the stress on the hull

4.單項(xiàng)選擇題Litmus paste is used in order to determine().

A.innage
B.thievage
C.ullage
D.the tank's datum point

5.單項(xiàng)選擇題Joiner bulkheads on a vessel provide().

A.compartmentalization
B.watertight integrity
C.structural support
D.tank boundaries