Mining Engineering > GATE 2017 > Mine Surveying
A vertical photograph of a 40 m high hill is taken from 4.4 km height. If the focal length of the camera is 15 cm, the scale of the photograph is
Correct : a
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The following readings refer to a reciprocal leveling at staff stations A and B respectively:
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The reduced level (RL) of staff station B in m is ________
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