Q283
In severe winter, in cold countries water pipes burst because
A.
Water expands on freezing
AnswerB.
Contraction of water pipes
C.
High atmospheric pressure
D.
Combined effect of all the above three
Answer: Option A
Solution
Answer: Option A
Solution:
Water in pipes freeze in cold countries. Due to the anomalous expansion of water, it expands instead of contacting when there is a fall in temperature below 4°c. So, the water pipes burst due to the excess space consumed by the ice after freezing.