A.poor fix
B.good fix
C.poor signal quality
D.good signal quality
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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
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
最新試題
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
Admiralty EasyTide（）.
Aboard a survival craft，ether can be used to（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
After launching，an inflatable raft should be kept dry inside by（）.
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（）.
An inflatable liferaft is hand-launched by（）.
An inflatable liferaft should be manually released from its cradle by（）.
Mean high water is the average height of（）.