Railways - Engineering

Q1:

Best ballast contains stones varying in size from

A 1.5 cm to 3 cm

B 2.0 cm to 4 cm

C 2.0 cm to 5 cm

D 2.5 cm to 6 cm

ANS:C - 2.0 cm to 5 cm

Wooden & CI pot sleeper - 5cm.
CST-9 & steel (Through) sleeper - 4cm.
Points &crossing - 2.5cm.