Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 12 (Q.No. 41)
41.
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
Answer: Option
Explanation:
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Discussion:
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