Why are gaps left between successive rails on a railway track?
31 Likes
A little gap is left between successive rails on a railway track to allow expansion of rails during summer otherwise rails will bend sideways.
Answered By
20 Likes
Name two substances which expand on heating.
Why do telephone wires sag in summer?
Why is a cement floor laid in small pieces with gaps in between?
State one application of thermal expansion of liquids.