For the pipe fitting like elbow, tee, union etc. which of the followin

1.	For the pipe fitting like elbow, tee, union etc. which of the following is preferred?
A.	Pig iron
B.	Malleable iron
C.	Spheroidal graphite cast iron
D.	High carbon steel.
Answer» C. Spheroidal graphite cast iron

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For the pipe fitting like elbow, tee, union etc. which of the following is preferred?

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