317) In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of

318) For a sleeper density of (n+5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is

319) If ′A′ is the angle formed by two gauge faces, the crossing number will be

320) Pandrol clips cannot be used with