Surveying Cross staff is an instrument used for None of these measuring bearings of the lines setting out right angles measuring approximate horizontal angles None of these measuring bearings of the lines setting out right angles measuring approximate horizontal angles ANSWER DOWNLOAD EXAMIANS APP
Surveying If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is 100.345 m 101.870 m 99.345 m 100.655 m 100.345 m 101.870 m 99.345 m 100.655 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = H/bf B =f/bH B = b/fH B = bH/f B = H/bf B =f/bH B = b/fH B = bH/f ANSWER DOWNLOAD EXAMIANS APP
Surveying A plate parallel is the line on the plane of the negative Parallel to the principal line Along the bisector of the angle between the principal line and a perpendicular line through principal plane Perpendicular to the principal line None of these Parallel to the principal line Along the bisector of the angle between the principal line and a perpendicular line through principal plane Perpendicular to the principal line None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Accidental errors Are generally small All of these Cannot be removed by applying corrections to the observed values Do not follow any definite mathematical law Are generally small All of these Cannot be removed by applying corrections to the observed values Do not follow any definite mathematical law ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Perspective centre Isocenter Plumb line Principal point Perspective centre Isocenter Plumb line Principal point ANSWER DOWNLOAD EXAMIANS APP