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
第1题:
If the compass heading and 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
第2题:
Magnetic heading differs from compass heading by______.
A.compass error
B.true heading
C.variation
D.Deviation
第3题:
deviation
variation
compass error
northerly error
第4题:
Heeling magnet
Flinders bar
Fore-and-aft magnets
All of the above can be set on magnetic east or magnetic west headings
第5题:
the deviation has been offset by the variation
there is something wrong with the compass
the compass is being influenced by nearby metals
there is no deviation on that heading
第6题:
compass error
variation
magnetic dip
deviation
第7题:
If the quadrantal spheres are all the way out,replace them with smaller spheres
If the quadrantal spheres are all the way in,replace them with larger spheres
If the quadrantal spheres are all of the way out,move the spheres in
If the quadrantal spheres are all the way out,replace them with larger spheres.
第8题:
If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should add some magnets.
If the blue ends of the magnets are aft you should lower the fore-and-aft tray
If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should reverse the magnets
If the blue ends of the magnets are forward,and the fore-and-aft tray is at the bottom,you should add some magnets
第9题:
If the quadrantal spheres are out as far as possible replace them with smaller spheres
If the quadrantal spheres are in as far as possible remove one of the spheres
If the quadrantal spheres are in as far as possible replace them with smaller spheres
If the quadrantal spheres are out as far as possible,move the quadrantal spheres in
第10题:
geographic pole and the magnetic pole
lubber's line and true north
horizontal and the magnetic line of force
compass heading and the magnetic heading
第11题:
the compass heading is in line with the lubber's line
there is no lost motion in the gimbal rings
no change of heading by compass is observed if you raise and lower the heeling magnet
the gimbal rings do not strike the compass frame when they are tilted
第12题:
deviation minus variation
variation plus compass course
combined variation and deviation
difference between true and magnetic heading
第13题:
Magnetic compass deviation______.
A.varies depending upon the bearing used
B.is the angular difference between magnetic north and compass north
C.is published on the compass rose on most nautical charts
D.is the angular difference between geographic and magnetic meridians
第14题:
Magnetic dip is a measurement of the angle between the ______.
A.geographic pole and the magnetic pole
B.lubber’s line and true north
C.horizontal and the magnetic line of force
D.compass heading and the magnetic heading
第15题:
compass error
true heading
variation
deviation
第16题:
east
west
north
south
第17题:
compass error
latitude
variation
deviation
第18题:
always shows true north direction
indicates the vessel's heading
is always parallel to the vessel's transom
is located on the compass card
第19题:
Move the quadrantal spheres closer to the compass
Raise the heeling magnet if the red end is up
Remove some of the Flinders bar
Raise or lower the athwartship magnets
第20题:
If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should add some magnets
If the blue ends of the magnets are aft you should lower the fore-and-aft tray
If the blue ends of the magnets are aft,and the fore-and-aft tray is at the top,you should reverse the magnets
If the blue ends of the magnets are forward,and the fore-and-aft tray is at the bottom,you should add some magnets
第21题:
Quadrantal spheres
Heeling magnets
Flinders bar
Fore-and-aft magnets
第22题:
compass north and magnetic north
compass north and true north
magnetic meridian and the geographic meridian
your vessel's heading and the magnetic meridian
第23题:
varies depending upon the bearing used
is the angular difference between magnetic north and compass north
is published on the compass rose on most nautical charts
is the angular difference between geographic and magnetic meridians