A.can be absorbed through the skin
B.causes irreversible damage to eye tissue
C.is a very unstable product
D.All of the above
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A.dump valve
B.deflector
C.separator
D.diverter
A.poor fix
B.good fix
C.poor signal quality
D.good signal quality
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
最新試題
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
Mean high water is the average height of（）.
The information on（）is not likely found in The Mariners Handbook.
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
Light Lists for coastal waters are（）.
Aboard a survival craft，ether can be used 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（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.