Surveying While making astronomical observations, the observer is mainly concerned with The direction of the star from the instrument The direction of the poles of the celestial sphere The direction of the vertical, the axis of rotation of the instrument All listed here The direction of the star from the instrument The direction of the poles of the celestial sphere The direction of the vertical, the axis of rotation of the instrument All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying To avoid large centering error with very short legs, observations are generally made To chain pins By using optical system for centering the theodolite All listed here To a target fixed on theodolite tripod on which theodolite may be fitted easily To chain pins By using optical system for centering the theodolite All listed here To a target fixed on theodolite tripod on which theodolite may be fitted easily ANSWER DOWNLOAD EXAMIANS APP
Surveying Polaris is usually observed for the determination of the azimuth when it is Either at culmination or at elongation Neither at culmination nor at elongation At culmination At elongation Either at culmination or at elongation Neither at culmination nor at elongation At culmination At elongation ANSWER DOWNLOAD EXAMIANS APP
Surveying The zenith is the point on the celestial sphere North of observer South of observer West of observer East of observer North of observer South of observer West of observer East of observer ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is f/H f/(H + h) (H - h)/f f/(H - h) f/H f/(H + h) (H - h)/f f/(H - h) ANSWER DOWNLOAD EXAMIANS APP
Surveying In the cross-section method of indirect contouring, the spacing of cross-sections depends uponi) contour intervalii) scale of planiii) characteristics of groundThe correct answer is (i) and (ii) (ii) and (iii) (i), (ii) and (iii) only (i) (i) and (ii) (ii) and (iii) (i), (ii) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP