In water supply pipes, wrought iron and cast iron pipes have relations – McqOptions

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1.	In water supply pipes, wrought iron and cast iron pipes have relationship as
A.	Life of wrought iron pipes > life of cast iron pipes
B.	Life of cast iron pipes > life of wrought iron pipes
C.	Both life spans are equal
D.	Life of wrought iron pipes = 2 (life of cast iron pipes)
Answer» C. Both life spans are equal

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