A.pawls
B.devil's claws
C.whelps
D.pockets
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A.aspect ratio
B.constriction ratio
C.rudder ratio
D.steering ratio
A.bases
B.gudgeons
C.pintles
D.rudder lugs
A.on each watch，immediately before being relieved
B.before embarking on a voyage of more than 24 hours
C.daily，at 1200 local zone time
D.weekly，before 0000 Sunday
A.when a new Master assumes command
B.daily，at 0800 local zone time
C.weekly，before 2400 Saturday
D.immediately after assuming the watch
A.unwatched
B.surrounded by riprap
C.a minor light
D.constructed on an artificial island
最新試題
Upon completion of fueling a gasoline driven vessel it is necessary to（）.
When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）
While you are on watch entering port，the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot.You should make sure the helmsman（）.
You are a watch standing mate and have come to the bridge to relieve the watch while underway at sea.The watch should not be transferred（）.
Which two components pass through the shank of an LWT anchor?（）
The officer in charge of the navigational watch shall not hand over the watch to the relieving officer if（）.
What is the BEST conductor of electricity（）.
Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.
You are standing the wheelwatch when you hear the cry，“Man overboard starboard side”.You should instinctively（）.
Which device is designed to automatically hold the load if power should fail to an electric winch?（）