A.all-round yellow light only
B.all-round white light only
C.all-round blue light only
D.alternating red and yellow light
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A.I am in doubt as to your actions
B.My engines are full speed astern
C.I desire to overtake you
D.I am operating astern propulsion
A.should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards
B.should be righted by standing on the life line，holding the righting straps leaning backwards
C.will right itself when the canopy tube inflates
D.must be cleared of the buoyant equipment before it will right itself
A.at the bow
B.at the stern
C.in the middle
D.all around
A.a painter
B.red smoke flares
C.a jackknife
D.a signal mirror
A.working on the rig floor
B.working over water
C.working on the pipe racks
D.operating line throwing equipment
最新試題
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（）.
An inflatable liferaft should be manually released from its cradle by（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
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（）.
After being rescued from the vessel accident，the people agreed that they had much to（）.
After launching，an inflatable raft should be kept dry inside by（）.
A sweep oar is an oar that is（）.
The Coast Radio Stations are found in（）.