GATE CE 2014 Set 1 — Question 35
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Geomatics Engineering → Levelling
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Question
The Reduced Levels (RLs) of the points P and Q are +49.600 m and +51.870 m respectively. Distance PQ is 20 m. The distance (in m from P) at which the +51.000 m contour cuts the line PQ is
Correct answer
(B) 12.33
Solution
Given:
m
m
Distance m
Target contour mDifference in RL between P and Q = m
Difference in RL between P and the target contour = mUsing linear interpolation, the distance from P is:
Distance
Distance mThus, the distance is approximately 12.33 m.
m
m
Distance m
Target contour mDifference in RL between P and Q = m
Difference in RL between P and the target contour = mUsing linear interpolation, the distance from P is:
Distance
Distance mThus, the distance is approximately 12.33 m.
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