A.Mine Safety Appliance Association
B.American Chemical Society
C.Marine Chemists Association
D.National Fire Protection Association
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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
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
最新試題
After launching，an inflatable raft should be kept dry inside by（）.
The Coast Radio Stations are found in（）.
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（）.
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.
The information on（）is not likely found in The Mariners Handbook.
A sweep oar is an oar that is（）.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
Mariners not entering the port are（）to keep at least one mile off.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.