A.a painter
B.red smoke flares
C.a jackknife
D.a signal mirror
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A.working on the rig floor
B.working over water
C.working on the pipe racks
D.operating line throwing equipment
A.on the prime vertical
B.on the celestial horizon
C.at lower transit
D.on the Greenwich meridian
A.quarter line
B.back line
C.peg line
D.jockey line
A.scissor wire
B.towing wire
C.breast wire
D.cross wire
A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
最新試題
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（）.
On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.
Mean high water is the average height of（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given 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 launching，an inflatable raft should be kept dry inside by（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
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（）.