單項選擇題A deck fitting,used to secure line or wire rope,consisting of a single body with two protruding horns is called a().

A.bitt
B.bollard
C.capstan
D.cleat


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1.單項選擇題A contra-guide is a type of().

A.bow thruster
B.cargo gear
C.steering engine
D.rudder

2.單項選擇題A common means of connecting shots of anchor chain in the field is to use a().

A.sprocket
B.Kenter link
C.swivel
D.end shackle

3.單項選擇題A chain stripper is used to().

A.prevent chain from clinging to the wildcat
B.clean the marine debris from the chain
C.flake chain from a boat's chain locker
D.clean chain prior to an x-ray inspection

4.單項選擇題A carling is used aboard ship().

A.as a connecting strap between the butted ends of plating
B.to stiffen areas under points of great stress between beams
C.to prevent the anchor from fouling when the brake is released
D.to provide an extra heavy fitting in a heavy lift cargo rig

5.單項選擇題A boom vang().

A.holds the boom down and flattens the main sail
B.draws the head of the sail to windward
C.tautens the standing rigging
D.douses the gaff topsail