All straight lines represent great circle tracks on a chart based on a(n) ______.
A.Mercator projection
B.polyconic projection
C.orthographic projection
D.gnomonic projection
第1题:
Solid green arrows on the main body of a pilot chart indicate ______.
A.prevailing wind directions
B.prevailing ocean current directions
C.probable surface current flow
D.shortest great circle routes
第2题:
What is NOT an advantage of the rhumb line track over a great circle track?
A.Easily plotted on a Mercator chart
B.Negligible increase in distance on east-west courses near the equator
C.Does not require constant course changes
D.Plots as a straight line on Lambert conformal charts
第3题:
When navigating in high latitudes and using a chart based on a Lambert conformal projection,______.
A.a straight line drawn on the chart approximates a great circle
B.the chart should not be used outside of the standard parallels
C.the course angle is measured at the mid-longitude of the track line
D.distance cannot be measured directly from the chart
第4题:
How is the annual rate of change for magnetic variation shown on a pilot chart? ______.
A.Gray lines on the uppermost inset chart
B.Red lines on the main body of the chart
C.In parenthesis on the lines of equal magnetic variation
D.Annual rate of change is not shown
第5题:

第6题:
prevailing wind directions
prevailing ocean current directions
probable surface current flow
shortest great circle routes
第7题:
fix
estimated position
dead reckoning position
running fix
第8题:
Easily plotted on a Mercator chart
Negligible increase in distance on east-west courses near the equator
Does not require constant course changes
Plots as a straight line on Lambert conformal charts
第9题:
the primary great circle of the Earth perpendicular to the axis
the line to which all celestial observations are reduced
the line from which a celestial body's altitude is measured
All of the above
第10题:
Invoke the Chart Wizard and create a chart based on the ORDER block.
Create a chart using Graphics Builder and then select File Import Chart in Form Builder, positioning the new chart with the text items in the ORDER block.
Invoke the Data Block Wizard in reentrant mode, select the Charts tab, and specify the chart type and column sources for the X and Y axes.
Select the Chart node in the Object Navigator, Click the Create icon, and specify the details of the chart in the chart's Property Palette.
第11题:
Mercator projection
polyconic projection
orthographic projection
gnomonic projection
第12题:
Aero light
Radar station
Radar transponder beacon
Radiobeacon
第13题:
Isogonic lines are lines on a chart indicating ______.
A.points of equal variation
B.points of zero variation
C.the magnetic latitude
D.magnetic dip
第14题:
What is the major advantage of a rhumb line track?
A.The vessel can steam on a constant heading (disregarding wind,current,etc)
B.The rhumb line is the shortest distance between the arrival and departure points
C.It is easily plotted on a gnomonic chart for comparison with a great circle course
D.It approximates a great circle on east-west courses in high latitudes
第15题:
Which aid is NOT marked on a chart with a magenta circle?
A.Aero light
B.Radar station
C.Radar transponder beacon
D.Radiobeacon
第16题:
第17题:
points of equal variation
points of zero variation
the magnetic latitude
magnetic dip
第18题:
Upgrade all WAN lines in six months.
Upgrade all WAN lines prior to implementing NewApp.
Analyze the cause of a peak in network usage in February.
Analyze network usage characteristics for NewApp.Based on these results, create an upgrade plan for the WAN lines.
第19题:
at the top center of the next line
near the chart title
at the lower left corner
at any convenient location
第20题:
Gray lines on the uppermost inset chart
Red lines on the main body of the chart
In parenthesis on the lines of equal magnetic variation
Annual rate of change is not shown
第21题:
A rhumb line appears as a straight line
Distance is measured at the midlatitude of the track line
Meridians appear as curved lines converging toward the nearer pole
Parallels,except the equator,appear as curved lines
第22题:
loxodromic curve
curved line concave to the equator
straight line
spiral approaching the poles as a limit
第23题:
total number of observations
average wind force on the Beaufort scale
average wind force in knots
percentage of calms