A.the chain is not upright
B.the chain is tight
C.the chain is upright
D.the chain is slack
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A.pay away the chain
B.take in the chain
C.check up the chain
D.take a strain on the chain
A.high winds
B.high overcast clouds
C.calm or light winds
D.fog or steady rain
A.sound the danger signal
B.when taking action, make only course changes
C.avoid altering course toward a vessel abaft the beam
D.All of the above
A.smaller scales
B.larger scales
C.smaller scales and larger scales
D.moderate scales
A.steady, constant winds
B.frequent rain showers and thunderstorms
C.steep pressure gradients
D.low relative humidity
最新試題
Manoeuvring information can not be obtained from().
The helm command PORT TWENTY means().
ECDIS must be able to perform all of the following EXCEPT().
Which of the following is not an operation mode of AIS?()
Berthing means bringing a vessel to her berth until().
The dew point temperature is().
When steering by autopilot,how often should the steering be checked?()
()is where the crew eat their meals.
()is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
It is dangerous for vessels without the operational radar()the estuary.