更多"Flanking rudders effect a vessel’s "的相关试题:
[单项选择]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
[单项选择]The heading of a vessel is indicated by what part of the compass? （）
A. Card
B. Needle
C. Lubber's line
D. Gimbals
[单项选择]The compass heading of a vessel differs from the true heading by（）.
A. compass error
B. variation
C. magnetic dip
D. deviation
[单项选择]A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment? （）
A. Move the quadrantal spheres closer to the compass
B. Raise the heeling magnet if the red end is up
C. Remove some of the Flinders bar
D. Raise or lower the athwartship magnets
[单项选择]A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°. Which action should be taken to remove this error during compass adjustment?（）
A. If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should add some magnets.
B. If the blue ends of the magnets are aft you should lower the fore-and-aft tray
C. If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should reverse the magnets
D. If the blue ends of the magnets are forward，and the fore-and-aft tray is at the bottom，you should add some magnets
[单项选择]Topside icing decreases vessel stability because it is usually off-center and（）.
A. increases displacement
B. increases the height of the center of gravity
C. increases draft
D. reduces the pocketing of free surface
[单项选择]A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 312°. What action should be taken to remove this error during compass adjustment? （）
A. If the quadrantal spheres are all the way out，replace them with smaller spheres
B. If the quadrantal spheres are all the way in，replace them with larger spheres
C. If the quadrantal spheres are all of the way out，move the spheres in
D. If the quadrantal spheres are all the way out，replace them with larger spheres.
[单项选择]The effect of wind on exposed areas of the vessel is most noticeable when（）.
A. backing
B. going slow ahead
C. going full ahead
D. turning
[单项选择]Your vessel is listening because of a negative GM. To lower G below M, you should（）.
A. deballast
B. transfer weight to the high side
C. ballast on the high side
D. add we ght symmetrically below G
[单项选择]On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.
A. one engine ahead and one engine astern，with full rudder
B. one engine ahead and one engine astern，with rudders amidships
C. both engines ahead，with full rudder
D. both engines astern，with full rudder
[单项选择]A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show （）.
A. three masthead lights in a vertical line instead of either the forward or after masthead light
B. two masthead lights in a vertical line instead of either the forward or after masthead lights
C. two towing lights in a vertical line at the stern
D. a small white light aft of the funnel
[单项选择]A vessel approaching your vessel from 235°relative is in what type of situation?（）.
A. Meeting
B. Overtaking
C. Crossing
D. Passing
[单项选择]When a pushing vessel and a vessel being pushed are rigidly connected in a composite unit，they shall be regarded as（）.
A. a tugboat
B. a sailing vessel
C. a power-driven vessel
D. a vessel propelled by machinery and under sail
[单项选择]If the compass heading and the magnetic heading are the same then（）.
A. the deviation has been offset by the variation
B. there is something wrong with the compass
C. the compass is being influenced by nearby metals
D. there is no deviation on that heading
[单项选择]Magnetic heading differs from compass heading by（）.
A. compass error
B. true heading
C. variation
D. deviation
