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If the ruling gradient is 1 in 150 on a particular section of broad gauge and at the same time a curve of 4 degree is situated on this ruling gradient, what is the allowable ruling gradient ?1. 1 in 102. 1 in 723. 1 in 1964. 1 in 245 |
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Answer» Correct Answer - Option 3 : 1 in 196 Explanation: Given, Degree of curve = 4 °, Ruling Gradient = 1 in 150 Grade compensation for BG curve = 0.04 × D = 0.16% Ruling gradient = \(\frac{1}{{150}} \times 100 = 0.67\% \) ∴ Allowable gradient = 0.67 – 0.16 = 0.51% = 0.51/100 = 1 in 196 |
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