Deviation is the angle between the ______.
A.true meridian and the axis of the compass card
B.true meridian and the magnetic meridian
C.magnetic meridian and the axis of the compass card
D.axis of the compass card and the degaussing meridian
第1题:
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed,the watch officer should record the results ______.
A.in the vessel's Official Logbook
B.on the compass deviation card
C.in the compass deviation log
D.on a Napier diagram
第2题:
Deviation which is maximum on intercardinal compass headings may be removed by the ______.
A.Flinders bar
B.Transverse magnets
C.Fore-and-aft magnets
D.Soft iron spheres on the sides of the compass
第3题:
Compass error is equal to the ______.
A.deviation minus variation
B.variation plus compass course
C.combined variation and deviation
D.difference between true and magnetic heading
第4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5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6题:
geographical position
speed
heading
longitude
第7题:
deviation
variation
compass error
dip
第8题:
east
west
north
south
第9题:
the meridian through the object of the bearing
the meridian through the ship's position
the meridian midway between the ship and the object
any meridian
第10题:
reduce the variation as much as possible
reduce the deviation as much as possible
reduce the magnetic dip as much as possible
allow the compass bowl to swing freely on its gimbals
第11题:
Remove deviation on the intercardinal headings
Remove deviation on the cardinal compass headings
Remove heeling error
Compensate for induced magnetism in vertical soft iron
第12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
第13题:
In the navigational triangle,the angle at the elevated pole is the ______.
A.meridian angle
B.altitude
C.right ascension
D.azimuth angle
第14题:
Compass deviation is caused by ______.
A.magnetism from the earth’s magnetic field
B.misalignment of the compass
C.magnetism within the vessel
D.a dirty compass housing
第15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16题:
Magnetic heading differs from compass heading by______.
A.compass error
B.true heading
C.variation
D.Deviation
第17题:
magnetism from the earth's magnetic field
misalignment of the compass
magnetism within the vessel
a dirty compass housing
第18题:
true meridian and the axis of the compass card
true meridian and the magnetic meridian
magnetic meridian and the axis of the compass card
axis of the compass card and the degaussing meridian
第19题:
remains aligned with compass north
also turns to starboard
first turns to starboard then counterclockwise to port
turns counterclockwise to port
第20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21题:
Longitude
Latitude
Height
Bearing
第22题:
the departure
the polar arc
longitude
Greenwich hour angle
第23题:
zero
equal to variation
eliminated by adjusting the compass
constant at any geographical location