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MCQOPTIONS

1.	Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â defects in castings cannot be identified easily.
A.	internal
B.	external
C.	chemical
D.	metallic
Answer» B. external

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