A.dip of the line
B.stretch of the line
C.strain on the line
D.length of the line
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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
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
最新試題
The best method to secure a tow line to a cleat is to（）.
Catenary as applied to tow lines denotes the（）.
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（）.
In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because（）.
Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?（）.
One advantage of chain over wire rope for a tow bridle is that chain（）.
Apparent wind speed blowing across a vessel under tow can be measured by a(n)（）.
A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.
A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.
As a vessel falls off the wind from close-hauled to a beam reach，the tendency for the vessel to move sideways through the water will（）.