单项选择题

In ship construction，bulkheads in the quarters are generally（）.

A.structural
B.watertight
C.non-structural
D.continuous

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单项选择题

In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will（）.

A.Move bodily to port
B.Move bodily to starboard
C.Move in a zig-zag motion
D.Steer a fairly straight course

单项选择题

Flanking rudders effect a vessel’s heading because of the（）.

A.effect of the propeller flow on the rudders
B.water flow due to the vessel's movement through the water
C.tunnel affect of the water flow past opposing rudders
D.discharge current being channeled to impinge on the vessel's deadwood

单项选择题

As to the stained plates，the fault lies（）you.

A.on
B.to
C.up
D.with