A 34.6% Pb-Sn alloy is cooled just below the eutectic temperature (183 C). What is the fraction of proeutectic and eutectic mixture ( + )?

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1.	A 34.6% Pb-Sn alloy is cooled just below the eutectic temperature (183 C). What is the fraction of proeutectic and eutectic mixture ( + )?
A.	70% and 30%
B.	64% and 36%
C.	36% and 64%
D.	30% and 70%
Answer» C. 36% and 64%

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