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Surveying - Engineering

Q1:

The constant vertical distance between two adjacent contours, is called

A horizontal interval

B horizontal equivalent

C vertical equivalent

D contour interval

E contour gradient.

ANS:D - contour interval

1. Contour interval: difference b/w two contours for a map.( Vertical difference or elevation difference).
2. Horizontal equivalent: Hz. distance b/w two contours.
3. Contour gradient =contour interval/ Hz. equivalent. Vertical distance between two contour is known Contour interval and horizontal distance between two contours is known Contour gradient.