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Everyday Science
MEDIUM
ENGLISH
Everyday Science
In a railway track, two rails are joined end to end with a gap tin between them because?
A
Steel can be saved
Option A
B
Accidents due to contraction in winter can be avoided
Option B
C
Air gaps are necessary for bearing the weight of running train
Option C
Accidents due to expansion in summer can be avoided E. All of these
Correct answer
Correct answer: D
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