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 screwB..The principal force which turns the ship is set up by the wake against the forward side of the rudderC.Turning response by use of the rudder only is greater than on a single-screw vesselD.With the rudder amidships,the ship will steer a fairly steady course

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


相关考题:

You may BEST turn a twin-screw vessel about,to the right,in a narrow channel by using ______.A.Both engines ahead and helmB.One engine onlyC.Port engine ahead and the starboard engine asternD.Both engines astern and use helm

A vessel fitted with twin screws is easier in ______ than a vessel with single screw.A.turning maneuverB.course settingC.position fixingD.regulating speed

A schooner is a fore-and-aft rigged vessel with ______.A.a single mastB.two masts: with the mizzen stepped abaft the rudder postC.two masts: with the mizzen stepped forward of the rudder postD.at least two masts: a foremast and a mainmast

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 vesselB.Back down with the rudder hard to one side,if on a single-screw vesselC.Take advantage of the tendency to back to port,if on a twin-screw vesselD.Turn so that the tendency to back into the wind can be used,if on a single-screw vessel

You are doing a Williamson turn.Your vessel has swung about 60° from the original course heading.You should ______.A.Put the rudder amidships and check the swingB.Stop the engines and prepare to maneuver to pick up the man in the waterC.Shift your rudderD.Increase to maximum speed

On a vessel with a single propeller,transverse force has the most effect on the vessel when the engine is put ______.A.full aheadB.full asternC.half aheadD.slow astern

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 rudderB.reverse port engine, rudder amidshipsC.reverse starboard engine, apply right rudderD.reverse starboard engine, rudder amidships

A vessel is equipped with a single right-handed screw.With rudder amidships and calm wind, the vessel will most likely back ______.A.straight asternB.to portC.to starboardD.in no particular direction

In order to back a right-handed, single-screw vessel in a straight line, you will probably need to use ______.A.very little rudderB.some left rudderC.some right rudderD.full left rudder

Leeway is the ______.A.difference between the true course and the compass courseB.momentum of a vessel after her engines have been stoppedC.lateral movement of a vessel downwind of her intended courseD.displacement of a vessel multiplied by her speed

单选题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().AadvanceBhead reachCsurgeDtransfer

单选题Generally,you can best keep a vessel under steering control when the vessel has().AHeadwayBSternwayCNo way on,with engines stoppedDNo way on,with engines full ahead

单选题A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel().Apermits the rudder to move fasterBgenerates more powerCcan turn without using her rudderDcan suck the water away from the rudder

单选题A vessel fitted with twin screws is easier in()than a vessel with single screw.Aturning maneuverBcourse settingCposition fixingDregulating speed

单选题In stopping distances of vessels,head reach can best be described as the().Adifference between the vessel's speed through the water at any instant and the new speed ordered on the telegraphBdistance the vessel has actually run through the water since a change of speed was orderedCdistance the vessel will run between taking action to stop her and being stationary in the waterDspeed at which a vessel should proceed to ensure that she will run a predetermined distance,once her engines have been stopped

单选题When the vessel on the full speed ahead, if full astern immediately () the main engine start astern and fuel injection.Aafter the thrust power is zeroBafter the torsion is zeroCsurpass the critical point on the water turbo phaseDafter the speed is zero

单选题The BEST way to steer a twin-screw vessel if you lose your rudder is by using().Aone engine and a steering oarBboth engines at the same speedCone engine at a timeDone engine running at reduced speed and controlling the vessel with the other

单选题A schooner is a fore-and-aft rigged vessel with().Aa single mastBtwo masts: with the mizzen stepped abaft the rudder postCtwo masts: with the mizzen stepped forward of the rudder postDat least two masts: a foremast and a mainmast

单选题On a vessel,if someone fell overboard and you did not know over which side the person fell,you should().Aimmediately reverse the enginesBstop the propellers from turning and throw a ring buoy over the sideCincrease speed to full to get the vessel away from the personDfirst put the rudder hard over in either direction

单选题A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind,the vessel will most likely back().Astraight asternBto portCto starboardDin no particular direction

单选题A twin screw vessel,making headway with both engines turning ahead,will turn more readily to starboard if you().Areverse port engine,apply right rudderBreverse port engine,rudder amidshipsCreverse starboard engine,apply right rudderDreverse starboard engine,rudder amidships

单选题The common rail engines show great advantages in combustion especially().Aat high speed and full loadBat low speed and part loadCwhen heavy fuel oil is used at seaDwhen the ships run long distance

单选题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?().AIf one screw is stopped,the ship will turn toward the side of the stopped screwBThe principal force which turns the ship is set up by the wake against the forward side of the rudderCTurning response by use of the rudder only is greater than on a single-screw vesselDWith the rudder amidships,the ship will steer a fairly steady course

单选题The crankshafts of medium speed engines are almost invariably solid () from a single piece of steel.AforgedBcastCmadeDshrunk

单选题Leeway is the().Adifference between the true course and the compass courseBmomentum of a vessel after her engines have been stoppedClateral movement of a vessel downwind of her intended courseDdispla ement of a vessel multiplied by her speed

单选题When turning a ship in restricted space with a strong wind,it is normally best to().AGo ahead on both engines with the rudder hard to one side,if on a twin-screw vesselBBack down with the rudder hard to one side,if on a single-screw vesselCTake advantage of the tendency to back to port,if on a twin-screw vesselDTurn so that the tendency to back into the wind can be used,if on a single-screw vessel

单选题On a twin-screw,twin-rudder vessel,the most effective way to turn in your own water,with no way on,is to put().Aone engine ahead and one engine astern,with full rudderBone engine ahead and one engine astern,with rudders amidshipsCboth engines ahead,with full rudderDboth engines astern,with full rudder

单选题Leeway is the().Adifference between the true course and the compass courseBmomentum of a vessel after her engines have been stoppedClateral movement of a vessel downwind of her intended courseDdisplacement of a vessel multiplied by her speed