Which kind of fog is also named as ground fog?()
A、Advection
B、Radiation fog
C、frontal fog
D、Steam fog
A、Advection
B、Radiation fog
C、frontal fog
D、Steam fog
A、A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway B、A vessel which hears a fog signal forward of her beam shall stop her engines C、A vessel which hears a fog signal forward of the beam shall navigate with caution D、If a vessel determines by radar that a close-quarters situation is developing,she shall take avoiding action in ample time
A、A.The vessel which has the other on her own starboard side B、B.The vessel which has the other on her own port side C、C.The one which hears the other's fog signal first D、D.Neither vessel is the stand-on vessel
A、Mention signal stations and ice,storm,traffic and port signals B、Give the international numbers of lights C、Give the correction of the lights and fog signals D、Give the information on the lights and fog signals
A、In positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearly B、In positions in which the noises in the ship are much likely to interfere with the hearing of a fog signal C、In positions in which the hearing of a signal is reduced to a minimum D、In a position in which the man can see clearly