Surveying At eastern elongation, the pole star moves Northward Eastward Southward Westward Northward Eastward Southward Westward 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 level The correct answer is only (i) both (ii) and (iii) only (iii) both (i) and (iv) only (i) both (ii) and (iii) only (iii) both (i) and (iv) 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 0.56 sq km 0.50 sq km 0.64 sq km 0.60 sq km 0.56 sq km 0.50 sq km 0.64 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58 sin α 58 cos α 58" cot α 58" tan α 58 sin α 58 cos α 58" cot α 58" tan α ANSWER DOWNLOAD EXAMIANS APP
Surveying The want of correspondence in stereo-photographs Is minimum when θ is 3° Is a function of tilt Is not affected by the change of flying height between photographs Is a good property Is minimum when θ is 3° Is a function of tilt Is not affected by the change of flying height between photographs Is a good property ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by sin z = sec φ . cos δ cos z = sec φ . cos δ tan z = sec φ . cos δ None of these sin z = sec φ . cos δ cos z = sec φ . cos δ tan z = sec φ . cos δ None of these ANSWER DOWNLOAD EXAMIANS APP
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