Bell metal contains_____________________?

Engineering Materials 05/11/2024

A. 70% copper and 30% zinc
B. 90% copper and 10% tin
C. 85-92% copper and rest tin with little lead and nickel
D. 70-75% copper and rest tin
E. 70-75% copper and rest zinc and tin

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    A. improve machinability B. improve ductility C. improve toughness D. release stresses E. reduce hardness and brittleness...
    Wrought iron is________________?
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