A.on an even keel
B.listing about 1° to the side the light is displayed on
C.listing over 5° With the light displayed on the high side
D.listing，and the chutes should be directed to the side where the light is displayed
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A.two red lights
B.one green light
C.one white light
D.one amber light
A.circle of equal altitude
B.parallel of declination
C.parallel of altitude
D.vertical circle
A.straight line
B.arc
C.parabola
D.hyperbola
A.all-round yellow light only
B.all-round white light only
C.all-round blue light only
D.alternating red and yellow light
A.I am in doubt as to your actions
B.My engines are full speed astern
C.I desire to overtake you
D.I am operating astern propulsion
最新試題
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
An inflatable liferaft is hand-launched by（）.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
The Lists of Meteorological Observation Stations can be found in（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.
Of the following，（）is not likely found in The Mariners Handbook.