單項選擇題The normal tendency for a loaded tanker is to().

A.hog
B.sag
C.have a permanent list
D.be very tender


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1.單項選擇題The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the().

A.lifting capacity of the winch
B.location of the boom
C.position of the guy
D.weight of the load

2.單項選擇題The load chart of a crane enables the operator to combine the load radius with boom length to determine the().

A.maximum counter weight required
B.minimum horsepower required
C.hoist rope strength
D.allowable load

3.單項選擇題The garboard strake is the().

A.raised flange at the main deck edge
B.riveted crack arrester strap on all-welded ships
C.riveting pattern most commonly used in ship construction
D.row of plating nearest the keel

4.單項選擇題The function of the bilge keel is to().

A.reduce the rolling of the vessel
B.serve as the vessel's main strength member
C.add strength to the bilge
D.protect the vessel's hull when alongside a dock