Assertion_(A):_Chills_are_used_to_reduce_shrinkage_porosity.$ – McqOptions

MCQOPTIONS

1.	Assertion_(A):_Chills_are_used_to_reduce_shrinkage_porosity.$
A.	: the function of chill is to increase the rate of solidification in a critical region.
B.	Both A and R is correct and R is a correct explanation for A
C.	Both A and R is correct and R is an incorrect explanation for A
D.	A is wrong but R is correct
Answer» B. Both A and R is correct and R is a correct explanation for A

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