With increase in the schedule number of a pipe of a particular nominal

1.	With increase in the schedule number of a pipe of a particular nominal size, the$?
A.	Wall thickness also increases
B.	I.D. of the pipe decreases
C.	O.D. of the pipe remains constant
D.	All of the above
Answer» E.

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With increase in the schedule number of a pipe of a particular nominal size, the$?

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