Surveying The rise and fall method of levelling provides a complete check on intermediate sight backsight All of these foresight intermediate sight backsight All of these foresight ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the observer's meridian and declination circle of a heavenly body, is known as Right ascension Azimuth Declination Hour angle Right ascension Azimuth Declination Hour angle ANSWER DOWNLOAD EXAMIANS APP
Surveying 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 2 m 3 m 4 m 1 m 2 m 3 m 4 m 1 m 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 f/H H + f H/f H. f f/H H + f H/f H. f ANSWER DOWNLOAD EXAMIANS APP
Surveying Polaris is usually observed for the determination of the latitude when it is Either at culmination or at elongation At elongation Neither at culmination nor at elongation At culmination Either at culmination or at elongation At elongation Neither at culmination nor at elongation At culmination ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is sin (90° - δ)/sin (90° - λ) cos (90° - δ)/cos (90° - λ) cos δ/cos λ tan (90° + δ)/tan (90° + λ) sin (90° - δ)/sin (90° - λ) cos (90° - δ)/cos (90° - λ) cos δ/cos λ tan (90° + δ)/tan (90° + λ) ANSWER DOWNLOAD EXAMIANS APP