While aligning a hill road with a ruling gradient of 6 percent, a horizontal curve of radius 60 m is encountered. The compensated gradient at the curve is:
1
1.25%
2
1.5%
3
2.75%
4
3.75%
5
4.75%
While aligning a hill road with a ruling gradient of 6 percent, a horizontal curve of radius 60 m is encountered. The compensated gradient at the curve is: