Addition of lead and bismuth to aluminium results in Options: A . &nbspImprovement of casting characteristics B . &nbspImprovement of corrosion resistance C . &nbspOne of the best known age and precipitation hardening systems D . &nbspImproving machinability

Addition of lead and bismuth to aluminium results in

Question

Addition of lead and bismuth to aluminium results in

Options:

A . Improvement of casting characteristics

B . Improvement of corrosion resistance

C . One of the best known age and precipitation hardening systems

D . Improving machinability

Answer: Option D
Addition of lead and bismuth to aluminium results in Improving machinability

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