Which of the following materials requires the largest shrinkage allowance, while making a pattern for casting

Which of the following materials requires the largest shrinkage allowa

1.	Which of the following materials requires the largest shrinkage allowance, while making a pattern for casting
A.	Aluminium
B.	Brass
C.	Cast iron
D.	Plain carbon steel
Answer» C. Cast iron

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Which of the following materials requires the largest shrinkage allowance, while making a pattern for casting

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