Surveying When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is θ = (z + δ) - 180° θ = δ - z θ = 180° - (z + δ) θ = z + δ θ = (z + δ) - 180° θ = δ - z θ = 180° - (z + δ) θ = z + δ ANSWER DOWNLOAD EXAMIANS APP
Surveying Systematic errors Always follow some definite mathematical law All listed here Can be removed by applying corrections to the observed values Are also known as cumulative errors Always follow some definite mathematical law All listed here Can be removed by applying corrections to the observed values Are also known as cumulative errors 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 3 m 2 m 4 m 1 m 3 m 2 m 4 m 1 m ANSWER DOWNLOAD EXAMIANS APP
Surveying Accidental errors Do not follow any definite mathematical law Are generally small Cannot be removed by applying corrections to the observed values All of these Do not follow any definite mathematical law Are generally small Cannot be removed by applying corrections to the observed values All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a circumpolar star is maximum when it is At upper culmination At lower culmination At east elongation At west elongation At upper culmination At lower culmination At east elongation At west elongation ANSWER DOWNLOAD EXAMIANS APP
Surveying Dumpy level is most suitable when fly levelling is being done over long distance many readings are to be taken from a single setting of the instrument All of these the instrument is to be shifted frequently fly levelling is being done over long distance many readings are to be taken from a single setting of the instrument All of these the instrument is to be shifted frequently ANSWER DOWNLOAD EXAMIANS APP