A.pressure gradient B.Coriolis effect C.aurora borealis D.ballistic deflection
单项选择题When steering by autopilot,how often should the steering be checked?()
A.12 times on each watch B.When time allows C.At least once a watch D.No checking is necessary
单项选择题()is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
A.Container loading B.Container discharging C.Stowage planning D.Container checking
单项选择题According to the relevant regulation, lifeboat should be powered by().
A.inboard diesel engine B.outboard diesel engine C.outboard gasoline engine D.inboard gasoline engine
单项选择题Berthing means bringing a vessel to her berth until().
A.the ship is made fast B.the ship‟s first line is sent ashore C.the ship is dredging anchor D.the ship‟s pilot disembarks
单项选择题ECDIS must be able to perform all of the following EXCEPT().
A.determine true bearing and distance between two geographical points B.determine magnetic compass deviation C.transform a local datum to the WGS-'84 datum D.convert "graphical coordinates" to "display coordinates"