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单选题
Emergency full ahead!（）
A
应急后退
B
应急前进
C
应急全速前进
D
后退三
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Please tell me ______ to reverse your engine from full ahead to full astern．A.How length will it takeB.How long it will takeC.How long will it getD.How much hours it will take
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考题
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考题
紧急后退三。（）A、Full astern！B、Double full astern！C、Emergency full astern！D、Emergency three astern！
考题
单选题A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）.A
When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may resultB
When going directly from full ahead to full astern，there is complete steering controlC
When the vessel has headway and the propeller is in neutral，there is no effect on rudder controlD
When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
考题
单选题“Full speed ahead” and “Full speed astern” are（）given by the officers or the pilots.A
sailing ordersB
speed ordersC
wheel ordersD
telegraph orders
考题
单选题After casting off moorings at a mooring buoy in calm weather，you should（）.A
go full ahead on the engine(s)B
back away a few lengths to clear the buoy and then go ahead on the enginesC
go half ahead on the engines and put the rudder hard rightD
go half ahead on the engines and pass upstream of the buoy
考题
单选题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 rudderB
one engine ahead and one engine astern，with rudders amidshipsC
both engines ahead，with full rudderD
both engines astern，with full rudder
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