Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Melting point Hardness Yield point Critical temperature Melting point Hardness Yield point Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Above 2.2% Below 1% Below 0.5% Above 1% Above 2.2% Below 1% Below 0.5% Above 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel containing ferrite and pearlite is Soft Hard and tough Hard Tough Soft Hard and tough Hard Tough ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Strength and ductility Hardness Machinability Hardness and strength Strength and ductility Hardness Machinability Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated below the lower critical temperature and then cooled slowly None of these Heated up to the lower critical temperature and then cooled in still air Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly None of these Heated up to the lower critical temperature and then cooled in still air Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Hard Tough Ductile Brittle Hard Tough Ductile Brittle ANSWER DOWNLOAD EXAMIANS APP
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