A meter gauge (MG) section has a ruling gradient of 1 in 200 and has a 4∘ curve. The allowable ruling gradient is 1 in _____________ .
263.16
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Solution
The correct option is A 263.16 Grade compensation for 4∘ curve 0.03×4=0.12%
Ruling gradient (1 in 200) =1200×100=0.50 % ∴ Allowable ruling gradient =0.50−0.12=0.38% =0.38100 i.e 1 in 263. 16