Surveying A ’level line’ is a line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line ANSWER DOWNLOAD EXAMIANS APP
Surveying Cross staff is an instrument used for measuring bearings of the lines None of these measuring approximate horizontal angles setting out right angles measuring bearings of the lines None of these measuring approximate horizontal angles setting out right angles ANSWER DOWNLOAD EXAMIANS APP
Surveying Triangulation surveys are carried out for providing Height control Both planimetric and height control Planimetric control None of these Height control Both planimetric and height control Planimetric control None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be None of these more than true R.L. true R.L. less than true R.L. None of these more than true R.L. true R.L. less than true R.L. ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC, right angled at C, sin b equals cot A tan a cos a sin A tan a cot A sin a cos A cot A tan a cos a sin A tan a cot A sin a cos A ANSWER DOWNLOAD EXAMIANS APP
Surveying If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about 25 km 50 km 30 km 10 km 25 km 50 km 30 km 10 km ANSWER DOWNLOAD EXAMIANS APP