单项选择题

With a given load on the cargo hook，tension in a single span topping lift（）.

A.increases as the boom's angle to the horizontal increases
B.is at a maximum when the boom is at a 45° angle to the horizontal
C.increases as the boom's angle to the horizontal decreases
D.decreases as the boom's angle to the horizontal decreases

相关考题

Why is gas-freeing rarely required for LPG cargo tanks?...

单项选择题Why is gas-freeing rarely required for LPG cargo tanks? （）

A.LPG is compatible with all cargos
B.LPG's high oxygen content makes it nonvolatile
C.Cargo tanks are inspected less frequently than on oil tankers
D.The cargo tanks are used for one type of cargo only

Why are most break bulk vessels built with the transver...

单项选择题Why are most break bulk vessels built with the transverse framing system rather than the longitudinal system? （）

A.The transverse system is more resistant to hog and sag stresses
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While your vessel is docked port side to a wharf，a sudd...

单项选择题While your vessel is docked port side to a wharf，a sudden gale force wind causes the vessel’s stern lines to part. The stern begins to fall away from the dock，and no tugs are immediately available. Which measure(s) should you take FIRST?（）

A.Notify the engineroom of the need for propulsion
B.Shut down any cargo transfer that's in progress
C.Let go the port anchor and veer to a short scope of chain
D.Obtain assistance from the terminal to put new stern lines out

货物保险合同与业务

With a given load on the cargo hook，tension in a single span topping lift（）.