單項(xiàng)選擇題When underway and proceeding ahead,as the speed increases,the pivot point tends to().

A.move aft
B.move forward
C.move lower
D.remain stationary


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1.單項(xiàng)選擇題When towing in an open seaway,it is important to use a towing line().

A.made only of wire rope,due to possible weather conditions
B.that will have the tow on a crest while your vessel is in a trough
C.that will have the tow on a crest while your vessel is on a crest
D.with little dip to gain maximum control of the tow

2.單項(xiàng)選擇題When towing astern,increased catenary will().

A.increase control of the tow
B.prevent the towing vessel from going in irons
C.make the towing vessel less maneuverable
D.reduce shock stress on the towing hawser

3.單項(xiàng)選擇題When steering a tow downstream around the shape of a sand bar,and staying on the proper side of the buoys,an operator should be cautious of().

A.eddies under the bar
B.swift current under the bar causing loss of control
C.cross-currents pushing the tow away from the bar
D.cross-currents pushing the tow into the bar

4.單項(xiàng)選擇題When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind,the approach is best made().

A.with bow out,stern in
B.with bow in,stern out
C.parallel to the dock,as close in as possible
D.parallel to the dock,as far out as possible

5.單項(xiàng)選擇題When approaching Block Island Sound from Long Island Sound,you will enter waters governed by the International Rules of the Road when you().

A.pass through The Race
B.cross the territorial sea boundary
C.exit Block Island Sound to the east or south
D.None of the above,as Long Island Sound is governed by the International Rules of the Road

最新試題

When towing in an open seaway,it is important to use a towing line().

題型:?jiǎn)雾?xiàng)選擇題

You are sailing south on the Intracoastal Waterway(ICW)when you sight a green can buoy with a yellow square painted on it.Which of the following is TRUE().

題型:?jiǎn)雾?xiàng)選擇題

You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix,in relation to the position indicated by the fix,you will be().

題型:?jiǎn)雾?xiàng)選擇題

When liquid is free to move transversely in a tank,the effect is called().

題型:?jiǎn)雾?xiàng)選擇題

Your ship is in shallow water and the bow rides up on its bow wave while the stern sinks into a depression of its transverse wave system.What is this called().

題型:?jiǎn)雾?xiàng)選擇題

The court has the power to()the time for commencing arbitration proceedings if it is of the opinion that in the circumstances of the case undue hardship would otherwise be caused.

題型:?jiǎn)雾?xiàng)選擇題

When towing astern,increased catenary will().

題型:?jiǎn)雾?xiàng)選擇題

Which nautical charts are intended for coastwise navigation outside of outlying reefs and shoals().

題型:?jiǎn)雾?xiàng)選擇題

Which instrument is used to predict the approach of a low pressure system().

題型:?jiǎn)雾?xiàng)選擇題

A vessel shall not().

題型:?jiǎn)雾?xiàng)選擇題