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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 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 “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” 相关考题
考题
The command MEET HER means the helmsman should ______.A.decrease the rudder angleB.steer more carefullyC.use rudder to slow the vessel’s swingD.note the course and steady on that heading
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You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?A.Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargoB.Attempt to call the vessel on VHF radiotelephone because she is requesting to communicateC.Approach the vessel with caution because she is dragging her anchorD.Proceed on present course and speed since the vessel is requesting a tug
考题
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
考题
Which magnetic compass corrector（s）can be set while the vessel is on a heading of magnetic north or magnetic south ________．A.Quadrantal spheresB.Heeling magnetsC.Flinders barD.Fore-and-aft magnets
考题
Heeling error is defined as the change of deviation for a heel of ______．A.2° while the vessel is on an intercardinal headingB.1° while the vessel is on a compass heading of 000°C.2° and is constant on all headingsD.1° while the vessel is on a compass heading of 180°
考题
______refers to the angle between true north and the heading line of the vessel．A.True positionB.True meridianC.True courseD.True bearing
考题
As the displacement of a vessel increases,. the detrimental effect of free surface ______.A.increasesB.decreasesC.remains the sameD.may increase or decrease depending on the fineness of the vessel’s form
考题
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
考题
单选题A note of protest is a declaration made by the Master of a vessel before a notary public.Its purpose is to（）.A
Protest acts of violence or misconduct by the vessel's crewB
State that damage to cargo or vessel was caused by improper loading or pilferage by others rather than ship's personnelC
State that the damage to ship，cargo or both was due to the perils of the seaD
State that the perishable cargo was damaged because of negligence by port authorities or other officials
考题
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
The fishing vessel because it is to port of the sailing vesselB
The fishing vessel because it is fishingC
The sailing vessel because it is to starboard of the fishing vesselD
The sailing vessel because it is sailing
考题
单选题A vessel is wind rode when it is（）.A
at anchor and heading into the windB
backing into the windC
carrying lee rudderD
necessary to apply a leeway correction to the course
考题
单选题As the displacement of a vessel increases, the detrimental effect of free surface（）.A
increasesB
decreasesC
remains the sameD
may increase or decrease depending on the fineness of the vessel's form
考题
单选题You are approaching another vessel and see that it has the signal flag “O” hoisted．What is your next action（）.A
Proceed on present course and speed since the vessel is requesting a pilotB
Attempt to call the vessel on VHF radiotelephone and begin a search because the vessel has a man overboardC
Attempt to call the vessel on VHF radiotelephone because it is disabledD
Approach with caution because the vessel is stopped and making no way through the water
考题
单选题The compass heading of a vessel differs from the true heading by（）.A
compass errorB
variationC
magnetic dipD
deviation
考题
单选题When a vessel changes course from one cardinal heading to another cardinal heading whilea djusting the compass，which action should be taken?（）A
The course change should be made rapidly to prevent transient induced magnetism while passing the intercardinal headingsB
After the new heading is reached，the vessel should steam on that course for at least two minutes before the adjustmentC
During the course change，you should gently tap the compass to remove any error caused by friction on the pivot bearingD
After steadying on the new heading，the compass card should be slewed by a magnet and allowed to oscillate freely to remove any gaussin error
考题
单选题Which magnetic compass corrector（s）can be set while the vessel is on a heading of magnetic north or magnetic south（）.A
Quadrantal spheresB
Heeling magnetsC
Flinders barD
Fore-and-aft magnets
考题
单选题The heading of a vessel is indicated by what part of the compass? （）A
CardB
NeedleC
Lubber's lineD
Gimbals
考题
单选题Variation is the angular measurement between（）.A
compass north and magnetic northB
compass north and true northC
magnetic meridian and the geographic meridianD
your vessel's heading and the magnetic meridian
考题
单选题You are approaching another vessel and see that she has the signal flag “J” hoisted. What should you do?（）A
Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargoB
Attempt to call the vessel on VHF radiotelephone because she is requesting to communicateC
Approach the vessel with caution because she is dragging her anchorD
Proceed on present course and speed since the vessel is requesting a tug
考题
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.
考题
单选题You are advised to enter the traffic route at about 1730 hours，because a vessel is scheduled to enter at the time when you intended to enter.What can you understand from this seaspeak?（）.A
It's a warning of navigation for my vesselB
It's an advice from Port Control to order my vessel not enter the traffic route of the harborC
It's an advice to change my estimated time of entering the traffic routeD
It's an order from the VTS to indicate my vessel to follow the traffic route
考题
单选题（）refers to the angle between true North and heading line of the vessel.A
True positionB
True meridianC
True courseD
True bearing
考题
单选题At sea，you are approaching a small vessel and see that it has the signal flag P hoisted. What should you do?（）.A
Proceed on present course and speed since the vessel is stopped and making no way through the waterB
Keep clear of the vessel because it has a diver downC
Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistanceD
Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction
考题
单选题A current perpendicular to a vessel’s track has the greatest effect on the vessel’s course made good（）.A
at high vessel speedsB
at low vessel speedsC
in shallow waterD
in deep water
考题
单选题The Plimsoll mark on a vessel is used to（）.A
align the vessel's tailshaftB
determine the vessel's trimC
determine the vessel's freeboardD
locate the vessel's centerline
考题
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
考题
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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