Surveying On vertical photographs, height displacement is Negative for points below datum All listed here Zero for points vertically below the air station Positive for points above datum Negative for points below datum All listed here Zero for points vertically below the air station Positive for points above datum 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 tan θ f sin θ f cos θ f sec θ f tan θ f sin θ f cos θ f sec θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The instrument used for accurate centering in plane table survey is trough compass plumbing fork alidade spirit level trough compass plumbing fork alidade spirit level ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC, right angled at C, sin b equals sin a cos A cot A tan a tan a cot A cos a sin A sin a cos A cot A tan a tan a cot A cos a sin A ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method of levelling provides a complete check on backsight All of these intermediate sight foresight backsight All of these intermediate sight foresight ANSWER DOWNLOAD EXAMIANS APP
Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is H + f f/H H/f H. f H + f f/H H/f H. f ANSWER DOWNLOAD EXAMIANS APP
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