A.start to rise rapidly
B.start to fall gradually
C.rise slowly,begin pumping and then start a slow,steady fall
D.remain steady
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A.forecastle
B.cargo hold
C.rudder
D.propeller
A.you should make an ample change to port for a vessel crossing on the starboard bow
B.You should maneuver in ample time if a close-quarters situation is developing
C.You should determine the course and speed of all radar contacts at six minutes intervals
D.Long-range scanning will provide early warning of all other vessels within the radar’s range
A.advection fog forms
B.humidity decrease
C.wind increase
D.Cloud form
A.Conformity
B.Non-conformity
C.Observation
D.Major non-conformity
A.Bilge
B.Ballast
C.Slop
D.Sanitary
最新試題
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
It is dangerous for vessels without the operational radar（）the estuary.
Bales close to the deckhead should be covered to prevent（）.
Full details of all lights and fog signals are shown on（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
（）is where the crew eat their meals.
What is it called when it is possible to ignite the vapour above the oil?（）
In the Northern hemisphere northerly winds may cause temperature（）.
When steering by autopilot,how often should the steering be checked?（）