If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25 cm × 13 cm), is

Related MCQs

• Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 × 25 × 13 cm with 75 cm sleeper spacing is
• If w is width of sleepers, s is sleeper spacing and d is depth of ballast then
• Minimum composite sleeper index for wooden sleepers used in cross-overs, is
• Minimum composite sleeper index for wooden sleepers used over bridge girders, is
• The minimum composite sleeper index for wooden sleepers used over cross-overs, is
• The minimum composite sleeper index for wooden sleepers used over bridge girders, is
• The ballast thrown around the sleepers and loosely filled on slopes is called boxing of ballast.
• The size of ballast used on Indian railways for wooden sleepers is
• Ballast packed below and around the sleepers to transfer the load from sleepers to formation, generally consists of
• The railway sleepers should act as elastic medium between the rails and the ballast.