If Tm is the melting temperature, then in hot working the value for t – McqOptions

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1.	If Tm is the melting temperature, then in hot working the value for that material is?
A.	0.5 Tm
B.	0.6 Tm
C.	0.4 Tm
D.	0.7 Tm
Answer» C. 0.4 Tm

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