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The RL of a point is 120 m and elevation of the instrument is 1 m. If a contour line of 119 m is to be plotted, the reading on the staff should be:

Question

The RL of a point is 120 m and elevation of the instrument is 1 m. If a contour line of 119 m is to be plotted, the reading on the staff should be:

2 m

0 m

1 m

1.5 m

Solution

Correct option is A

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