engineering recuitment UKPSC AE Civil 2021 Mock Test (Re-Exam) Surveying Curves

If an upgrade of 1.5 % is followed by a downgrade of 0.5 % and rate of change of grade is 0.2% per 20 m chain, then the length of vertical curve is ____

1

100 m

2

200 m

3

300 m

4

400 m

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