Surveying On vertical photographs, height displacement is Positive for points above datum Negative for points below datum Zero for points vertically below the air station All listed here Positive for points above datum Negative for points below datum Zero for points vertically below the air station All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The instrument used for accurate centering in plane table survey is alidade spirit level trough compass plumbing fork alidade spirit level trough compass plumbing fork 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 sin θ f sec θ f tan θ f cos θ f sin θ f sec θ f tan θ f cos θ ANSWER DOWNLOAD EXAMIANS APP
Surveying For a well-conditioned triangle, no angle should be less than 60° 45° 20° 30° 60° 45° 20° 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying The angular distance of a heavenly body from the equator, measured along its meridian, is called Altitude Declination Co-latitude Zenith distance Altitude Declination Co-latitude Zenith distance ANSWER DOWNLOAD EXAMIANS APP
Surveying Check lines (or proof lines) in Chain Surveying, are essentially required To increase the out-turn To plot the offsets To plot the chain lines To indicate the accuracy of the survey work To increase the out-turn To plot the offsets To plot the chain lines To indicate the accuracy of the survey work ANSWER DOWNLOAD EXAMIANS APP
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