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
On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.
The light vessel is reported（）.
Admiralty EasyTide（）.
The Coast Radio Stations are found in（）.
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（）.
A sweep oar is an oar that is（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
Mean high water is the average height of（）.
A person who sees someone fall overboard should（）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.