Surveying Pick up the correct statement from the following. The difference between the longitudes of the places is obtained. By adding their longitudes if places are in the different hemispheres By subtracting their longitudes if places are in the same hemisphere By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres All of these By adding their longitudes if places are in the different hemispheres By subtracting their longitudes if places are in the same hemisphere By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The suitable contour interval for a map with scale 1 : 10000 is 10 m 2 m 20 m 5 m 10 m 2 m 20 m 5 m ANSWER DOWNLOAD EXAMIANS APP
Surveying Contour interval is Inversely proportional to the scale of the map Larger for accurate works Larger if the time available is more Directly proportional to the flatness of ground Inversely proportional to the scale of the map Larger for accurate works Larger if the time available is more Directly proportional to the flatness of ground ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Isocentric distance Focal length Principal distance Principal line Isocentric distance Focal length Principal distance Principal line ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction for sag is always zero always additive sometimes additive and sometimes subtractive always subtractive always zero always additive sometimes additive and sometimes subtractive always subtractive ANSWER DOWNLOAD EXAMIANS APP
Surveying 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 3 m 4 m 1 m 2 m 3 m 4 m 1 m 2 m ANSWER DOWNLOAD EXAMIANS APP
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