Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C below upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of High carbon H.S.S. Cast iron Mild steel High carbon H.S.S. Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same Increase First increase and then decrease Decrease Remain same Increase First increase and then decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to heavy loads, is Silicon bronze White metal Phosphor bronze Monel metal Silicon bronze White metal Phosphor bronze Monel metal ANSWER DOWNLOAD EXAMIANS APP
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