Discussion :: Physics
- Water pipes in hilly areas often burst on a cold frosty night, because
|
A.
The material of which pipes are made contracts due to cold and so breaks |
|
B.
Water in the pipes freezes and on freezing water expands, so pipes break |
|
C.
Frost makes the pipes rusty, so they break |
|
D.
None of these |
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Answer : Option B
Explanation :
Water pipes burst because the water inside them expands is it gets close to freezing, and this causes an increase in pressure inside the pipe.
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