The ultimate tensile strength for heat-treated muntz metal is _______

1.	The ultimate tensile strength for heat-treated muntz metal is __________
A.	80,000 p.s.i
B.	20,000 p.s.i
C.	60,000 p.s.i
D.	57,000 p.s.i
Answer» B. 20,000 p.s.i

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