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
An inflatable liferaft should be manually released from its cradle by（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.
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 Lists of Meteorological Observation Stations can be found in（）.
Aboard a survival craft，ether can be used to（）.
The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
A person who sees someone fall overboard should（）.
After being rescued from the vessel accident，the people agreed that they had much to（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.