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
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
Aboard a survival craft，ether can be used to（）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
Of the following，（）is not likely found in The Mariners Handbook.
An orange flag showing a black circle and square is a（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.
The light vessel is reported（）.
Mean high water is the average height of（）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.