Questions
A gap should be left between two rails due to
a
allow contraction in summer
b
allow expansion in summer
c
allow expansion in winter
d
allow contraction in winter
detailed solution
Correct option is B
due to the gap, expansion of metal during summer is fecilitated, else rails will bend after expansionTalk to our academic expert!
Similar 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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