單項選擇題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


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1.單項選擇題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

2.單項選擇題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

3.單項選擇題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

4.單項選擇題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

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

A.The first vessel to sight the other should give way
B.The vessel making the slower speed should give way
C.Both vessels should alter course to starboard
D.Both vessels should alter course to port