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 1 m 4 m 2 m 3 m 1 m 4 m 2 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Surveying Circumpolar stars Remain always above the horizon Rotate round the North Pole Rotate round the celestial pole Are seldom seen near the pole star Remain always above the horizon Rotate round the North Pole Rotate round the celestial pole Are seldom seen near the pole star ANSWER DOWNLOAD EXAMIANS APP
Surveying Horizontal distances obtained by thermometric observations require slope correction do not require slope and tension corrections require slope and tension corrections require tension correction require slope correction do not require slope and tension corrections require slope and tension corrections require tension correction ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum error in radial line assumption, is h/H f cos θ h/H f² tan θ h/H f tan θ h/H f² sin θ h/H f cos θ h/H f² tan θ h/H f tan θ h/H f² sin θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between Zenith and pole Pole and horizon Equator and zenith Horizon and equator Zenith and pole Pole and horizon Equator and zenith Horizon and equator ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? error due to curvature only None of these error due to refraction only error due to both curvature and re-fraction error due to curvature only None of these error due to refraction only error due to both curvature and re-fraction ANSWER DOWNLOAD EXAMIANS APP