Surveying To avoid large centering error with very short legs, observations are generally made To a target fixed on theodolite tripod on which theodolite may be fitted easily All listed here By using optical system for centering the theodolite To chain pins To a target fixed on theodolite tripod on which theodolite may be fitted easily All listed here By using optical system for centering the theodolite To chain pins ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is All of these Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Tension = (P - Ps)L/AE Sag = L³w²/24P² where w is the weight of tape/m All of these Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Tension = (P - Ps)L/AE Sag = L³w²/24P² where w is the weight of tape/m ANSWER DOWNLOAD EXAMIANS APP
Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = H/bf B =f/bH B = b/fH B = bH/f B = H/bf B =f/bH B = b/fH B = bH/f ANSWER DOWNLOAD EXAMIANS APP
Surveying Pick up the incorrect statement from the following. High oblique photographs May have tilt up to 30° May not include the image of the horizon None of these May include the image of the horizon May have tilt up to 30° May not include the image of the horizon None of these May include the image of the horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying Assuming human normal vision distance 25 cm, smallest measurable angle 20", and intraocular distance 6.5 cm, the smallest depth to be discerned is 0.1 mm 1.1 mm 1.00 mm 0.5 mm 0.1 mm 1.1 mm 1.00 mm 0.5 mm 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 0.50 sq km 0.64 sq km 0.60 sq km 0.56 sq km 0.50 sq km 0.64 sq km 0.60 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
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