Lines on a chart which connect points of equal magnetic variation are called （）.
- Amagnetic latitudes
- Bmagnetic declinations
- Cdip
- Disogonic line
问题
Lines on a chart which connect points
参考解析：
分类：海图及海图作业题库
相关推荐
-
1、The line which connects the points of
The line which connects the points of zero magnetic dip is（）.AAn agonic lineBThe magnetic equatorCA magnetic meridianDAll of the above
-
2、Isogonic lines are lines on a chart in
Isogonic lines are lines on a chart indicating （）.Apoints of equal variationBpoints of zero variationCthe magnetic latitudeDmagnetic di
-
3、On a hydrocarbon flammability chart th
On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen，lying tangent to the flammability range，is called the（）.Aminimum oxygen content lineBcritical displacement lineCcritical dilution lineDupper threshold limit
-
4、On a gnomonic chart，a great circle tra
On a gnomonic chart，a great circle track between Los Angeles and Brisbane will appear as a （）.Aloxodromic curveBcurved line concave to the equatorCstraight lineDspiral approaching the poles as a limit
-
5、The compass rose on a nautical chart i
The compass rose on a nautical chart indicates both variation and （）.AdeviationBannual rate of variation changeCprecessionDcompass error
-
6、Isobars on a synoptic chart are useful
Isobars on a synoptic chart are useful in predicting（）.AtemperatureBdew pointCwind velocityDrelative humidity