單項(xiàng)選擇題When using the anchor to steady the bow while approaching a dock you must be aware of the fact that().

A.the vessel will tend to take a large sheer towards the side where the anchor is down
B.steering control is ineffective in trying to turn to the side opposite to that of the anchor being used
C.the anchor cable must never lead under the hull
D.using an offshore anchor decreases the chances of the anchor holding


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1.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

2.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

3.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

4.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

5.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

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When towing astern,increased catenary will().

題型:?jiǎn)雾?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().

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

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

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You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast,the greatest safety margin from inshore dangers will result if what speed is used to determine().

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

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()is not a type of IALA maritime buoyage system.

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A sailing vessel shall not impede the safe passage of a().

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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().

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You are steaming in a westerly direction along the Gulf Coast.You see ahead of you a lighted buoy showing a red isophase light.Which action should you take().

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