engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Surveying Compass Surveying and Theodolite
What is the relation given for a spire test?
1
Cross hair is perpendicular to the horizontal axis
2
Horizontal axis is perpendicular to the vertical axis
3
Line of sight is perpendicular to the vertical axis
4
Line of sight is perpendicular to the horizontal axis