單項(xiàng)選擇題On a single-screw vessel the stern frame().

A.furnishes support to the rudder,propeller shaft,and transom frame
B.provides foundations for after mooring winches
C.provides foundations for the main propulsion engines
D.transfers the driving force of the propeller to the hull


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1.單項(xiàng)選擇題In selecting a tug for moving a vessel,consideration should be given to its().

A.indicated horsepower,bollard pull,and displacement
B.indicated horsepower,maneuverability,and displacement
C.indicated horsepower,bollard pull,and maneuverability
D.bollard pull,displacement,and maneuverability

2.單項(xiàng)選擇題In order to reduce your wake in a narrow channel you should().

A.apply enough rudder to counter the effect of the current
B.change your course to a zigzag course
C.reduce your speed
D.shift the weight to the stern

3.單項(xiàng)選擇題In most cases,when a large merchant vessel enters shallow water at high speed the().

A.maneuverability will increase
B.speed will increase
C.bow will squat farther than the stern
D.vessel will rise slightly,on a level plane

4.單項(xiàng)選擇題If the situation arose where it became necessary to tow a disabled vessel,which statement is TRUE concerning the towing line?().

A.The towing line between the two vessels should be clear of the water
B.The towing line should be taut at all times between the vessels
C.There should be a catenary so the line dips into the water
D.None of the above

5.單項(xiàng)選擇題If a tow sinks in shallow water,you should().

A.release it immediately
B.attempt to beach it before it goes under
C.pay out cable until it's on the bottom and place a buoy on the upper end
D.shorten cable to keep it off the bottom

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Small floes of rough,hummocky sea ice capable of damaging a vessel().

題型:單項(xiàng)選擇題

A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?().

題型:單項(xiàng)選擇題

A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way? ()

題型:單項(xiàng)選擇題

As the weather was worsening and wind force rising to 8,my vessel()were yawing within forty degrees of the compass.

題型:單項(xiàng)選擇題

On a single-screw vessel the stern frame().

題型:單項(xiàng)選擇題

A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the ()limit of the channel or fairway which lies on her()side as is safe and practicable.

題型:單項(xiàng)選擇題

A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the().

題型:單項(xiàng)選擇題

In selecting a tug for moving a vessel,consideration should be given to its().

題型:單項(xiàng)選擇題

A vessel showing a rigid replica of the International Code flag A is engaged in().

題型:單項(xiàng)選擇題

On a twin-screw,twin-rudder vessel,the most effective way to turn in your own water,with no way on,is to put().

題型:單項(xiàng)選擇題