A.it is faster
B.it can be used in both the immediate action and the delayed action situations
C.in fog，if the turn is started as soon as the man goes over，the vessel will be at the point where he went over when the turn is completed
D.it returns the vessel to the original track line on a reciprocal course
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A.red lights
B.red lights and two white lights
C.red lights with a white light in between
D.white lights with a red light in between
A.increase
B.decrease
C.change only if the vessel comes about on the opposite tack
D.not change
A.propeller velocity
B.speed of advance
C.wake distribution
D.wake fraction
A.barometer
B.wind vane
C.anemometer
D.thermometer
A.during the day，three balls in a vertical line
B.during the day，three shapes，the highest and lowest being balls and the middle being a diamond
C.when making way at night，two all-round red lights，sidelights，and a sternlight
D.when making way at night，masthead lights，sidelights，and a sternlight
最新試題
In a following sea，a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course，you should（）.
In towing，heaving lines are used for（）.
In order to back a right-handed，single-screw vessel in a straight line，you will probably need to use（）.
A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.
For the deepest water when rounding a bend in a river，you should navigate your vessel（）.
Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.
A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind，the vessel will most likely back（）.
Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?（）.
A vessel travelling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.
As a ship moves through the water，it drags with it a body of water called the wake. The ratio of the wake speed to the ship’s speed is called（）.