UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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Discussion :: UPSC Civil Service Exam Questions

Which of the following characteristic features may be used while plotting a contour plan ?
1. Two contour lines having the same elevation cannot unite the continue as one line.
2. Contour lines closed together indicate a gentle slope.
3. Contour lines cross a valley line at right angles.
Select the correct answer using the codes given below:

1, 2 and 3

1 and 2

2 and 3

1 and 3

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