單項(xiàng)選擇題For the deepest water when rounding a bend in a river,you should navigate your vessel().

A.toward the inside of the bend
B.toward the outside of the bend
C.toward the center of the river just before the bend,then change course for the river's center after the bend
D.in the river's center


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1.單項(xiàng)選擇題Catenary as applied to tow lines denotes the().

A.dip of the line
B.stretch of the line
C.strain on the line
D.length of the line

2.單項(xiàng)選擇題Besides saving distance along the track line,another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation because().

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

3.單項(xiàng)選擇題At night,a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two().

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

4.單項(xiàng)選擇題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().

A.increase
B.decrease
C.change only if the vessel comes about on the opposite tack
D.not change

5.單項(xiàng)選擇題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().

A.propeller velocity
B.speed of advance
C.wake distribution
D.wake fraction

最新試題

If you are the stand-on vessel in a crossing situation,you may take action to avoid collision by your maneuver alone. When may this action be taken?().

題型:?jiǎn)雾?xiàng)選擇題

Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?().

題型:?jiǎn)雾?xiàng)選擇題

If the towing bridle legs are not of equal length().

題型:?jiǎn)雾?xiàng)選擇題

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().

題型:?jiǎn)雾?xiàng)選擇題

Besides saving distance along the track line,another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation because().

題型:?jiǎn)雾?xiàng)選擇題

A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind,the vessel will most likely back().

題型:?jiǎn)雾?xiàng)選擇題

The condition where a ship on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in().

題型:?jiǎn)雾?xiàng)選擇題

In twin-screw engine installations while going ahead,maneuvering qualities are most effective when the tops of the propeller blades both turn().

題型:?jiǎn)雾?xiàng)選擇題

It is easier to dock a right-hand,single-screw vessel().

題型:?jiǎn)雾?xiàng)選擇題

In order to back a right-handed,single-screw vessel in a straight line,you will probably need to use().

題型:?jiǎn)雾?xiàng)選擇題