單項選擇題The official number of a documented vessel is().

A.not required to be anywhere on the vessel
B.required to be permanently marked on the vessel's structure
C.required to be painted on the vessel;s stern
D.required to be painted on the vessel's bow


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1.單項選擇題The original equilibrium position is stable when().

A.metacentric height is positive
B.metacentric radius is positive
C.KG exceeds maximum allowable limits
D.free surfaces are excessive

2.單項選擇題The remote control for a fixed fire extinguishing system should be().

A.painted red and labeled
B.concealed from the crew
C.protected by plexiglass
D.padlocked

3.單項選擇題The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads().

A.warning, keep off,stay clear
B.danger, do not board
C.warning, no smoking, no open lights, no visitors
D.dangerous cargo being transferred

4.單項選擇題What is not accepted as the required shipping paperson a manned and loaded tank barge?().

A.Bill of lading
B.Manifest
C.Shipping document
D.Logbook entry