Que. | In a railway track, two rails are joined end to end with a gap in between them because- |
- A. Air-gaps are necessary for bearing the weight or running train
- B. History can be saved
- C. Accidents due to expansion in summer can be avoided
- D. Accidents due to contraction in winter can be avoided
Right Answer is :
✓ C. Accidents due to expansion in summer can be avoided
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