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

Two vessels are approaching each other near head on. What action should be taken to avoid collision?().

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.

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When towing astern,increased catenary will().

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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().

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The term of Landfall means().

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The rules state that vessels may depart from the requirements of the Rules when().

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You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates().

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You are making tow.A loaded,open-hopper barge with independent tanks has placards,with alternating red and white quadrants,located at each side and end.You inspect the barge and find slight traces of water in the wing voids due to condensation.What().

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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().

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Preferred channel marks are colored with().

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