单项选择题
A.lifting capacity of the winch B.location of the boom C.position of the guy D.weight of the load
The load chart of a crane enables the operator to combi...
单项选择题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
The garboard strake is the（）.A.raised flange at the mai...
单项选择题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
The function of the bilge keel is to（）.A.reduce the rol...
单项选择题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
