The compass rose on a nautical chart indicates both variation and ______.
A.deviation
B.annual rate of variation change
C.precession
D.compass error
第1题:
On a nautical chart,the inner ring of a compass rose indicates ______.
A.true directions
B.compass error
C.deviation
D.magnetic directions
第2题:
______ is a digitized“picture”of a chart.
A.Vector chart format
B.Raster chart data
C.pixel
D.Electronic Nautical Chart
第3题:
How is variation indicated on a small-scale nautical chart?______.
A.Magnetic compass table
B.Magnetic meridians
C.Isogonic lines
D.Variation is not indicated on small-scale nautical charts
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:
true directions
compass error
deviation
magnetic directions
第6题:
Opposing
Changing
Reversing
Alternating
第7题:
deviation
annual rate of variation change
precession
compass error
第8题:
can correct by adjusting the compass card
can correct by adjusting the compensating magnets
can correct by changing the vessel's heading
cannot correct
第9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10题:
total number of observations
average wind force on the Beaufort scale
average wind force in knots
percentage of calms
第11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12题:
found in the center(s) of the compass rose(s)
indicated by isogonic lines
found in a note on the chart
All of the above
第13题:
Your vessel is proceeding down a channel,and you see a pair of range lights that are in line dead ahead.The chart indicates that the direction of this pair of lights is 229°T,and variation is 6°W.If the heading of your vessel at the time of the sighting is 232°per standard magnetic compass,what is the correct deviation ________.
A.3°E
B.9°E
C.3°W
D.9°W
第14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15题:
If a magnetic compass is not affected by any magnetic field other than the Earth’s which statement is TRUE?______.
A.Compass error and variation are equal
B.Compass north will be true north
C.Variation will equal deviation
D.There will be no compass error
第16题:
magnetic equator
magnetic longitude reference line
points where there is no variation
points where there is no annual change in variation
第17题:
Compass error and variation are equal
Compass north will be true north
Variation will equal deviation
There will be no compass error
第18题:
variation
true directions
magnetic directions
annual rate of variation change
第19题:
Vector chart format
Raster chart data
pixel
Electronic Nautical Chart
第20题:
worn gears in the compass housing
magnetism from the earth's magnetic field
magnetism within the vessel
lack of oil in the compass bearings
第21题:
Magnetic compass table
Magnetic meridians
Isogonic lines
Variation is not indicated on small-scale nautical charts
第22题:
Notice to Mariners
Coast Pilots
nautical chart catalogs
Sailing Directions
第23题:
deviation minus variation
variation plus compass course
combined variation and deviation
difference between true and magnetic heading