Study the following statements regarding creep. i) Creep is greater on curves than on tangent railway track, ii) Creep in new rails is more than that in old rails, iii) Creep is more on steep gradients than on level track. The correct answer is

• A. only (i)
• B. (i), (ii) and (iii)
• C. (ii) and (iii)
• D. (i)and(ii)

Answer: (D)