Surveying The error due to eccentricity of inner and outer axes can be eliminated by double sighting taking mean of several readings distributed over different portions of the graduated circle taking both face observations and taking the mean of the two reading both verniers and taking the mean of the two double sighting taking mean of several readings distributed over different portions of the graduated circle taking both face observations and taking the mean of the two reading both verniers and taking the mean of the two ANSWER DOWNLOAD EXAMIANS APP
Surveying In the double application of principle of reversion, the apparent error is equal to true error four times the true error two times the true error half the true error equal to true error four times the true error two times the true error half the true error ANSWER DOWNLOAD EXAMIANS APP
Surveying Three point problem can be solved by Tracing paper method All of these Lehman’s method Tracing paper method Tracing paper method All of these Lehman’s method Tracing paper method ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.60 sq km 0.64 sq km 0.56 sq km 0.50 sq km 0.60 sq km 0.64 sq km 0.56 sq km 0.50 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 5000 m 4000 m 6000 m 7000 m 5000 m 4000 m 6000 m 7000 m 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 only (i) both (ii) and (iii) both (i) and (iv) only (iii) only (i) both (ii) and (iii) both (i) and (iv) only (iii) ANSWER DOWNLOAD EXAMIANS APP
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