单项选择题
On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.
A.one engine ahead and one engine astern，with full rudder
B.one engine ahead and one engine astern，with rudders amidships
C.both engines ahead，with full rudder
D.both engines astern，with full rudder
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相关考题
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On a single-screw vessel the stern frame（）.
A.furnishes support to the rudder，propeller shaft，and transom frame
B.provides foundations for after mooring winches
C.provides foundations for the main propulsion engines
D.transfers the driving force of the propeller to the hull -
单项选择题
On a ship，the possibility of a blowout makes which type of diesel engine shutdown desirable?（）
A.Overspeed trip
B.Air inlet shut-off valve
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单项选择题
My ship’s engine responds well to telegraph orders and takes about 80 seconds to reverse from full speed ahead to full speed astern.This sentence（）.
A.indicates the engine's particulars
B.tells the engine's function
C.shows the engine's type
D.refers to the engine's information
