Question

Why are small gaps left
in between the rails?

Answer 1

Explanation:

When railway tracks are laid the engineers leave a small gap between two rails. All metals expand when heated. So, the railway engineers always leave a small gap between two rails to compensate for the expansion of the rails during the hot day time and contraction during cold nights.

Answer 2

Answer: All metals expand when heated.So, the railway engineers always leave a small gap between two rails to compensate for the expansion of the rails during the hot

day time and contraction during the nights.

Hope it helps you.Thankyou