The cross-sectional area of 52 kg flat footed rail is | RAILWAY ENGINEERING

a) 6155 mm2
b) 6615 mm2
c) 7235 mm2
d) 7825 mm2
Ans: b

  Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75 cm sleeper spacing is

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