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单选题
When the vessel on the full speed ahead, if full astern immediately （） the main engine start astern and fuel injection.
A
after the thrust power is zero
B
after the torsion is zero
C
surpass the critical point on the water turbo phase
D
after the speed is zero
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考题
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考题
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考题
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考题
单选题The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as（）.A
advanceB
head reachC
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考题
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Double full astern！C
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考题
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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
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考题
单选题Generally，you can best keep a vessel under steering control when the vessel has（）.A
HeadwayB
SternwayC
No way on，with engines stoppedD
No way on，with engines full ahead
考题
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sailing ordersB
speed ordersC
wheel ordersD
telegraph orders
考题
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take action to cross ahead of the other vesselB
take action to pass astern of the other vesselC
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at, toB
to, fromC
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at ,from
考题
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the distance of visibilityB
1/2 the distance of visibilityC
a distance appropriate to the existing circumstances and conditionsD
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考题
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考题
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考题
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I am in doubt as to your actionsB
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I desire to overtake youD
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考题
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后退二！C
后退一！D
中速后退！
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