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
最新試題
Which of the following is not a form of precipitation?（）
When steering by autopilot,how often should the steering be checked?（）
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
What is it called when it is possible to ignite the vapour above the oil?（）
Full details of all lights and fog signals are shown on（）.