A Nautical mile is All of these 1855.109 m One minute arc of the great circle passing through two points One minute arc of the longitude TRUE ANSWER : ? YOUR ANSWER : ?
If S is the sum of three angles of a spherical triangle, the spherical excess equals TRUE ANSWER : ? YOUR ANSWER : ?
In the double application of principle of reversion, the apparent error is two times the true error equal to true error four times the true error half the true error TRUE ANSWER : ? YOUR ANSWER : ?
The two point problem and three point problem are methods of resection resection and orientation orientation traversing TRUE ANSWER : ? YOUR ANSWER : ?
The difference of parallax for a given difference in elevation is independent of Percentage of overlap All listed here Overall size of the photo graphs Focal length of the camera TRUE ANSWER : ? YOUR ANSWER : ?
The rise and fall method is less accurate than height of instrument method is not suitable for levelling with tilting levels quicker and less tedious for large number of intermediate sights provides a check on the reduction of intermediate point levels TRUE ANSWER : ? YOUR ANSWER : ?
The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as Nadir point Photo plumb point Isocenter Plumb point TRUE ANSWER : ? YOUR ANSWER : ?
The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be equidistant from A and B closer to the lower station closer to the higher station as far as possible from the line AB TRUE ANSWER : ? YOUR ANSWER : ?
The nautical mile is the length of 1 minute of latitude 1 degree of longitude 1 degree of latitude 1 minute of longitude TRUE ANSWER : ? YOUR ANSWER : ?
The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude: All listed here Mean sun Vernal equinox True sun TRUE ANSWER : ? YOUR ANSWER : ?