單項選擇題The strake on each side of the keel is called a（）.

A.sheer strake
B.gatewood strake
C.insulation strake
D.garboard strake


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1.單項選擇題The riding pawl is（）.

A.a safety interlock in a cargo winch that prevents the runner from overspeeding
B.a stopper that prevents the anchor cable from running free if the cable jumps the wildcat
C.the device that locks the deck lashings of the Peck and Hale system
D.the lug that rides on the eccentric rib and engages the locking ring on the windlass

2.單項選擇題The purpose of cant frames in steel vessels is（）.

A.To support the overhang of the stern
B.To strengthen the plating against the pounding of the sea
C.To add strength to the deck beams which support the weather deck
D.To support the plating of a cylindrical tank

3.單項選擇題The platform that supports the derrickman when tripping pipe is called the（）.

A.Texas deck
B.water table
C.stabbing board
D.monkey board

5.單項選擇題The opening in the deck that leads the anchor cable outside the hull is the（）.

A.hawsepipe
B.fall pipe
C.drop-pipe
D.spill pipe