Surveying While making astronomical observations, the observer is mainly concerned with The direction of the poles of the celestial sphere The direction of the star from the instrument The direction of the vertical, the axis of rotation of the instrument All listed here The direction of the poles of the celestial sphere The direction of the star from the instrument The direction of the vertical, the axis of rotation of the instrument All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying Refraction correction adds to the curvature correction completely eliminates curvature correction has no effect on curvature correction partially eliminates curvature correction adds to the curvature correction completely eliminates curvature correction has no effect on curvature correction partially eliminates curvature correction ANSWER DOWNLOAD EXAMIANS APP
Surveying If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a levelThe correct answer is both (i) and (iv) only (iii) both (ii) and (iii) only (i) both (i) and (iv) only (iii) both (ii) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Surveying The normal longitudinal overlap is generally kept 0.7 0.5 0.6 0.75 0.7 0.5 0.6 0.75 ANSWER DOWNLOAD EXAMIANS APP
Surveying Systematic errors All listed here Always follow some definite mathematical law Can be removed by applying corrections to the observed values Are also known as cumulative errors All listed here Always follow some definite mathematical law Can be removed by applying corrections to the observed values Are also known as cumulative errors ANSWER DOWNLOAD EXAMIANS APP
Surveying Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel 0.36 0.4 0.24 0.6 0.36 0.4 0.24 0.6 ANSWER DOWNLOAD EXAMIANS APP