In a railway track, two rails are joined end to end with a gap in between them because?

A) Steel can be saved

B) Accidents due to contraction in winter can be avoided

C) Accidents due to expansion in summer can be avoided

D) None of these

Related MCQs:
  1. Which country has no railway track?
  2. The railway track runs …… the river.
  3. In …….. poetry we find the gap between the Christian ideals and the reality of life?
  4. The world’s largest undersea railway tunnel is proposed to be constructed between: