A.variation
B.compass error
C.deviation
D.earth‟s magnetic force
您可能感興趣的試卷
你可能感興趣的試題
A.obey the master‟s
B.obey the pilot‟s
C.bring the rudder to a position midway between the two conflicting orders
D.ask the pilot if he relinquishes control
A.A mooring winch
B.A windlass
C.A deck crane
D.A lifeboat
A.metacentric height is positive
B.metacentric radius is positive
C.KG exceed maximum allowable limits
D.Free surfaces are excessive
A.20 minutes
B.15 minutes
C.10 minutes
D.5 minutes
A.2 minutes
B.3 minutes
C.4 minutes
D.5 Minutes
最新試題
The dew point temperature is().
The mean draft of a ship is the draft().
According to the relevant regulation, lifeboat should be powered by().
A tide is called diurnal when().
The helm command PORT TWENTY means().
Fog is likely to occur when there is little difference between the dew point and the().
When steering by autopilot,how often should the steering be checked?()
ECDIS must be able to perform all of the following EXCEPT().
()is on the panel of radar.
It is dangerous for vessels without the operational radar()the estuary.