Engineering Materials In mottled cast iron, carbon is available in Nodular form Free form Partly in free and partly in combined state Combined form Nodular form Free form Partly in free and partly in combined state Combined form ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Working at lower temperature Grain refinement Purification of metal All of these Working at lower temperature Grain refinement Purification of metal All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Nichrome Invar Elinvar Magnin Nichrome Invar Elinvar Magnin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Malleability Brittleness Plasticity Ductility Malleability Brittleness Plasticity Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 250 VPN 1000 to 1100 VPN 1500 VPN 600 VPN 250 VPN 1000 to 1100 VPN 1500 VPN 600 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air None of these Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air None of these Heated below the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP