A.camber
B.slope
C.deadrise
D.keel height
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A.the descriptions
B.the measurements
C.the specifications
D.the prescriptions
A.anchor windlass
B.jumbo boom
C.rudder
D.steering engine
A.capstan
B.dog wheel
C.fairlead
D.wildcat
A.pawls
B.devil's claws
C.whelps
D.pockets
A.aspect ratio
B.constriction ratio
C.rudder ratio
D.steering ratio
最新試題
Which device is designed to automatically hold the load if power should fail to an electric winch?（）
Which statement describes the shore between Watch Hill Point and Point Judith? （）
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（）.
What is the purpose of the limit switch on gravity davits?（）
Prior to each voyage the master of every ship shall ensure that the intended route from the port of departure to（）is planned using adequate and appropriate charts and other nautical publications necessary for the intended voyage.
Who may perform as a lookout（）.
Upon completion of fueling a gasoline driven vessel it is necessary to（）.
If at any time the officer in charge of the navigational watch is to be relieved when a manoeuvre or other action to avoid any hazard is taking place,（）.
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? （）