單項選擇題A twin screw vessel，making headway with both engines turning ahead，will turn more readily to starboard if you（）.

A.reverse port engine，apply right rudder
B.reverse port engine，rudder amidships
C.reverse starboard engine，apply right rudder
D.reverse starboard engine，rudder amidships


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1.單項選擇題A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）

A.Length of the towline
B.Height of the towline connection
C.Longitudinal position of the towline connection
D.Direction of opposing force

2.單項選擇題A reaching course is one in which the wind（）.

A.comes directly over the bow
B.comes directly over the stern
C.comes over an area extending from broad on the bow to the quarter
D.has no effect on the vessel

3.單項選擇題A racetrack turn would be better than a Williamson turn in recovering a man overboard if （）.

A.the man has been missing for a period of time
B.the sea water is very cold and the man is visible
C.there is thick fog
D.the wind was from astern on the original course

4.單項選擇題While moving ahead，a twin-screw ship has an advantage over a single-screw ship because （）.

A.correct trim will be obtained more easily
B.drag effect will be cancelled out
C.side forces will be eliminated
D.speed will be increased

5.單項選擇題When towing astern，one way to reduce yawing of the tow is to（）.

A.trim the tow by the stern
B.trim the tow by the head
C.have the tow on an even keel
D.list the tow on the side it is yawing

最新試題

In order for a vessel to be engaged in fishing she must be（）.

題型：單項選擇題

A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.

題型：單項選擇題

Catenary as applied to tow lines denotes the（）.

題型：單項選擇題

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：單項選擇題

If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is（）.

題型：單項選擇題

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

題型：單項選擇題

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：單項選擇題

At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two（）.

題型：單項選擇題

In towing，heaving lines are used for（）.

題型：單項選擇題

The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as（）.

題型：單項選擇題