What is the least count of a Surveyor's compass?
Survey of India was publishing toposheets using a scale of
Which of the following sequence is correct for the temporary adjustment of a theodolite?
The latitude and departure of a line AB are +78 m and -45.1 m, respectively. The whole circle bearing of the line AB is
Which contour locating method is used when the ground has minimal undulation?
What will be the length of one division of Vernier scale when length of main division of main scale is 0.2 mm and least count of Vernier is 0.12 mm
The Reduced Levels (RLs) of the points P and Q are +49.600 m and +51.870 m respectively. Distance PQ is 20 m. The distance (in m from P) at which the +51.000 m contour cuts the line PQ is
What is the function of the plumbing fork in plane table surveying?
An internal focusing type surveying telescope may be focused by the movement of _____.
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] :
Assertion [a]: Curvature correction must be applied when the sights are long.
Reason [r]: Line of collimation is not a level line but is tangential to the level line.