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 rate of change of parallax dp/dh with respect to change in h, may be expressed as fB/(H - h)² fB/(H + h)² fB/(H - h) fB/(H + h) fB/(H - h)² fB/(H + h)² fB/(H - h) fB/(H + h) ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f cos θ f tan θ f sin θ f sec θ f cos θ f tan θ f sin θ f sec θ ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58 sin α 58" cot α 58 cos α 58" tan α 58 sin α 58" cot α 58 cos α 58" tan α ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 90° 30° 60° 45° 90° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal plane contains All of these Principal point Nadir point Iso-centre All of these Principal point Nadir point Iso-centre ANSWER DOWNLOAD EXAMIANS APP
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