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A gap should be left between two rails due to
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By Expert Faculty of Sri Chaitanya
a
allow contraction in summer
b
allow expansion in summer
c
allow expansion in winter
d
allow contraction in winter
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Correct option is B
due to the gap, expansion of metal during summer is fecilitated, else rails will bend after expansionSimilar Questions
The coefficient of linear expansion of brass and steel are and . If we take a brass rod of length and steel rod of length at 0oC, their difference in length will remain the same at all temperatures if
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