Engineering Materials Ferromagnetic alpha iron exists in temperature range of Below 723°C 1400 to 1539°C 770 to 910°C 910 to 1440°C Below 723°C 1400 to 1539°C 770 to 910°C 910 to 1440°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% Steel SiO2 MgO Al2O3 Steel SiO2 MgO Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age-hardening is related with Gun metal German silver Stainless steel Duralumin Gun metal German silver Stainless steel Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Nichrome Magnin Elinvar Invar Nichrome Magnin Elinvar Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Body centered cubic space lattice is found in Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Alpha iron, tungsten, chromium and molybdenum Gamma iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Alpha iron, tungsten, chromium and molybdenum Gamma iron, aluminium, copper, lead, silver and nickel ANSWER DOWNLOAD EXAMIANS APP