單項(xiàng)選擇題One advantage of chain over wire rope for a tow bridle is that chain().

A.is better suited for inland towing
B.resists damage from chafing
C.handles more easily
D.equalizes towing forces better


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1.單項(xiàng)選擇題Once a towline is connected between the towing vessel and the disabled vessel,the towing vessel should().

A.not exceed bare steerageway during the transit
B.take a strain as soon as you can to control the tow
C.come up to speed very slowly and maintain a safe speed
D.come up to speed quickly,then cut back power considerably to ease the strain

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

A.With the wind from ahead
B.With the wind off the port beam
C.With the wind off the starboard beam
D.With the wind from abaft the beam

3.單項(xiàng)選擇題It is easier to dock a right-hand,single-screw vessel().

A.starboard side to the wharf
B.either side to the wharf
C.port side to the wharf
D.stern to the wharf

4.單項(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().

A.to starboard
B.outboard from the center
C.to port
D.inboard toward the center

5.單項(xiàng)選擇題In towing,heaving lines are used for().

A.passing a tow bridle to the tug
B.passing a messenger line
C.heaving in the tow bridle
D.service lines with rocket line throwers

最新試題

One major advantage of the round turn maneuver in a man overboard situation is that it().

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 which through some exceptional circumstance is unable to maneuver as required by these Rules and is therefore unable to keep out of the way of another vessel is called().

題型:?jiǎn)雾?xiàng)選擇題

In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because().

題型:?jiǎn)雾?xiàng)選擇題

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

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

If a vessel under tow starts jumping on its tow line,the most appropriate action to alleviate the condition is to().

題型:?jiǎn)雾?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().

題型:?jiǎn)雾?xiàng)選擇題

Apparent wind speed blowing across a vessel under tow can be measured by a(n)().

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