A.unwatched
B.surrounded by riprap
C.a minor light
D.constructed on an artificial island
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A.rudder keys
B.rudder palms
C.lifting flanges
D.shoes of the rudder
A.thickness of the connected members
B.diameter of the head
C.entire length of the rivet
D.diameter of the shank
A.flukes and the shank
B.shank and the sea bottom
C.mooring line and the sea bottom
D.flukes and the shackle
A.swivel
B.lizard
C.spider band
D.gooseneck
A.comply
B.supply
C.provide
D.deny
最新試題
Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.
What is the best instrument for establishing a safe working area before welding in a confined space? （）
What is the female section of a tool joint called? （）
While underway in thick fog you are on watch and hear the cry“man overboard”.Which type of maneuver should you make（）.
You have orders to drop off a barge loaded with propylene oxide at a fleet.In doing so，you must ensure that（）.
In determining that the（）of the navigational watch is adequate to ensure that a proper look-out can continuously be maintained，the master shall take into account all relevant factors.
If in any doubt as to the pilot’s actions or intentions，the officer in charge of the navigational watch shall（）.
You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot.What should you do（）.
Which word indicates color variation in the characteristics of a light?（）
What is the purpose of the limit switch on gravity davits?（）