A vessel is equipped with twin propellers,both turning outbo

题目
单选题
A vessel is equipped with twin propellers,both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships,what will happen?()
A

The bow will swing to starboard

B

The bow will swing to port

C

The vessel will steer a zigzag course

D

The vessel will steer a fairly straight course.

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相似问题和答案

第1题:

A life float on a fishing vessel must be equipped with ______.

A.a painter

B.red smoke flares

C.a jackknife

D.a signal mirror


正确答案:A

第2题:

A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead.There is no wind or current. Which statement is FALSE?

A.If one screw is stopped,the ship will turn toward the side of the stopped screw

B..The principal force which turns the ship is set up by the wake against the forward side of the rudder

C.Turning response by use of the rudder only is greater than on a single-screw vessel

D.With the rudder amidships,the ship will steer a fairly steady course


正确答案:C

第3题:

You may BEST turn a twin-screw vessel about,to the right,in a narrow channel by using ______.

A.Both engines ahead and helm

B.One engine only

C.Port engine ahead and the starboard engine astern

D.Both engines astern and use helm


正确答案:C

第4题:

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


正确答案:C
一双车船使用双车前进掉头,将更易于向右舷掉头假如右舷车倒车并施以右满舵时。

第5题:

When turning a ship in restricted space with a strong wind,it is normally best to ______.

A.Go ahead on both engines with the rudder hard to one side,if on a twin-screw vessel

B.Back down with the rudder hard to one side,if on a single-screw vessel

C.Take advantage of the tendency to back to port,if on a twin-screw vessel

D.Turn so that the tendency to back into the wind can be used,if on a single-screw vessel


正确答案:D

第6题:

When backing down with sternway,the pivot point of a vessel is ______.

A.about one-quarter of the vessel's length from the stern

B.at the bow

C.about one-third of the vessel's length from the bow

D.aft of the propellers


正确答案:A

第7题:

A vessel is equipped with twin propellers,both turning outboard with the engines half ahead.If there is no wind or current and the rudders are amidships,what will happen?

A.The bow will swing to starboard

B.The bow will swing to port

C.The vessel will steer a zigzag course

D.The vessel will steer a fairly straight course


正确答案:D

第8题:

A vessel fitted with twin screws is easier in ______ than a vessel with single screw.

A.turning maneuver

B.course setting

C.position fixing

D.regulating speed


正确答案:A

第9题:

When one upbound vessel is overtaking another vessel and both are pushing a tow ahead,what reaction may you expect ________.

A.Both towheads will tend to drift apart,and the overtaking vessel will be slowed down

B.Both towheads will tend to drift together,and the overtaking vessel will be slowed down

C.Both towheads will tend to drift apart,and the overtaken vessel will be slowed down

D.Both towheads will tend to drift together,and the overtaken vessel will be slowed down


正确答案:C

第10题:

A vessel is equipped with a single right-handed screw.With rudder amidships and calm wind, the vessel will most likely back ______.

A.straight astern

B.to port

C.to starboard

D.in no particular direction


正确答案:B
一艘装有右舷单车的船舶,在正舵无风情况下,船舶将向左偏

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