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Flanking rudders effect a vessel’s heading because of the ______.
A.effect of the propeller flow on the rudders
B.water flow due to the vessel’s movement through the water
C.tunnel affect of the water flow past opposing rudders
D.discharge current being channeled to impinge on the vessel’s deadwood
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更多 “ Flanking rudders effect a vessel’s heading because of the ______.A.effect of the propeller flow on the ruddersB.water flow due to the vessel’s movement through the waterC.tunnel affect of the water flow past opposing ruddersD.discharge current being channeled to impinge on the vessel’s deadwood ” 相关考题
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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 starboardB.The bow will swing to portC.The vessel will steer a zigzag courseD.The vessel will steer a fairly straight course
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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
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单选题A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）.A
When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may resultB
When going directly from full ahead to full astern，there is complete steering controlC
When the vessel has headway and the propeller is in neutral，there is no effect on rudder controlD
When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
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单选题On open waters，a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessel’s starboard side. Which vessel is the stand-on vessel?（）.A
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The fishing vessel because it is fishingC
The sailing vessel because it is to starboard of the fishing vesselD
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单选题On a single-screw vessel the stern frame（）.A
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provides foundations for after mooring winchesC
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单选题As the displacement of a vessel increases, the detrimental effect of free surface（）.A
increasesB
decreasesC
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may increase or decrease depending on the fineness of the vessel's form
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torque from the velocity and angle at which the surrounding water impinges upon the propeller blades
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单选题Flanking rudders effect a vessel’s heading because of the（）.A
effect of the propeller flow on the ruddersB
water flow due to the vessel's movement through the waterC
tunnel affect of the water flow past opposing ruddersD
discharge current being channeled to impinge on the vessel's deadwood
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单选题Upon underwater detection, there were no apparent defects on the bottom plates, bilge keels,rudder and propeller of the said vessel. This kind of wording usually appeared on（）.A
ship surveyor's reportB
a ship's certificateC
a cargo inspection reportD
a dive survey report
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compass errorB
variationC
magnetic dipD
deviation
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Quadrantal spheresB
Heeling magnetsC
Flinders barD
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CardB
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单选题Variation is the angular measurement between（）.A
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compass north and true northC
magnetic meridian and the geographic meridianD
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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 starboardB
The bow will swing to portC
The vessel will steer a zigzag courseD
The vessel will steer a fairly straight course.
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at high vessel speedsB
at low vessel speedsC
in shallow waterD
in deep water
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单选题The effect of free surface on initial stability depends upon（）.A
the amount of liquid in the compartmentB
the dimensions of the liquid surface and the vessel's displacementC
only the length of the compartmentD
the vertical position of the liquid in the vessel
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单选题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
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