General Knowledge
Medium
Question
In railway tracks, a small gap is left between the rails ?
A
To permit the shrinkage of metal
B
To save the cost of metal
C
To allow for the expansion during heat
✓ Official correct answer
D
None of them
Community credibility
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A
To permit the shrinkage of metal
No member explanations yet for this option.
B
To save the cost of metal
No member explanations yet for this option.
C
To allow for the expansion during heat
No member explanations yet for this option.
D
None of them
No member explanations yet for this option.