A、A.must be from dead ahead
B、B.speed must be zero
C、C.must be from dead astern
D、D.must be on the beam
更多“The apparent wind’s speed can be zero only when two conditions are present. One condition is that the true wind（）.”相关的问题
A、ahead and equal to the ship's speed B、astern and equal to the ship's speed C、ahead and equal to twice the ship's speed D、astern and equal to twice the ship's speed
A、apparent wind speed only B、true wind speed and true wind direction C、true wind speed only D、apparent wind speed and true wind direction
A、A.stopped with the wind dead ahead B、B.stopped with the wind on the beam C、C.underway with the wind 30°on the bow D、D.underway on a course to provide no apparent wind
A、A.the direction of the true wind B、B.true north C、C.the beam on the windward side D、D.the beam on the lee side
A、Downwind so that the apparent wind is close to nil B、A course that will keep a free flow of air，clear of smoke，over the hoist area C、A course that will have the hoist area in the lee of the superstructure D、With the wind dead ahead because the helicopter is more maneuverable when going into the wind
A、With the wind from ahead B、With the wind off the port beam C、With the wind off the starboard beam D、With the wind from abaft the beam
A、Should the engine stop without apparent reason B、The engine should stop without apparent reason C、The engine stops without apparent reason D、The engine is stopped without apparent reason
A、water depth exceeding 100 feet B、fetch C、wind's velocity D、duration of the wind
A、the wind speed is greater here since the wind is traveling in the same general direction as the storm's track B、the direction of the wind and seas might carry a vessel into the path of the storm C、the seas are higher because of greater wind speed D、All of the above
客服
TOP
查看正确答案
