A、boom angle
B、boom strength
C、load radius
D、cable strength
更多“On a ship crane，the load chart relates the allowable load to the combination of boom length and（）.”相关的问题
A、Sailors should know the SWL of cranes on board their ship. B、Sailors should know the SWL of derricks on board their ship. C、Officers should know the SWL of derricks on board their ship. D、Officers should know the SWL of cranes on board their ship.
A、A.A centerline crane can never be operated in tandem B、B.One crane is able to work one end of two adjacent hatches C、C.These cranes are more economical and weigh less than outboard-mounted cranes D、D.One crane is able to work both sides of the ship
A、is the SWL of the crane B、are the SWL of the crane C、the SWL of the crane is D、the SWL of the crane are
A、A.American Society of Mechanical Engineers B、B.American Petroleum Institute C、C.Society of Petroleum Engineers D、D.American Society of Civil Engineers
A、A.is the S.W.L. of the crane B、B.are the S.W.L. of the crane C、C.the S.W.L. of the crane is D、D.the S.W.L.of the crane are
A、The cranes may be operated independently B、The cranes may be interconnected for twin operation C、When twinned，the crane rotation on the foundation assembly is unlimited D、All of the above
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