1825Mechanical EngineeringMedium
Addition of manganese to aluminium results in________?
Aimprovement of corrosion resistance
Bnone of the above
Cimproving machinability
Dimprovement of casting characteristics
Eone of the best known age and precipitation-hardening systems
Correct answer
A. improvement of corrosion resistance
Explanation
The correct answer is improvement of corrosion resistance.