Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is H. f H + f H/f f/H H. f H + f H/f f/H 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) only (iii) both (i) and (iv) only (i) both (ii) and (iii) only (iii) both (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Surveying At eastern elongation, the pole star moves Northward Eastward Southward Westward Northward Eastward Southward Westward ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above Equator None of these Pole Horizon Equator None of these Pole Horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying The nautical mile is the length of 1 minute of latitude 1 degree of latitude 1 degree of longitude 1 minute of longitude 1 minute of latitude 1 degree of latitude 1 degree of longitude 1 minute of longitude ANSWER DOWNLOAD EXAMIANS APP
Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 4 cm 2 cm 3 cm 1 cm 4 cm 2 cm 3 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
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