Engineering Materials Induction hardening is basically a Core hardening process None of these Surface hardening process Carburising process Core hardening process None of these Surface hardening process Carburising process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 770°C Below recrystallization temperature 1050°C 910°C 770°C Below recrystallization temperature 1050°C 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in 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 Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Basic solution is one which has pH value Less than 7 Greater than 7 pH value has nothing to do with basic solution Equal to 7 Less than 7 Greater than 7 pH value has nothing to do with basic solution Equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Elastic properties in all directions Thermal properties in all directions Stresses induced in all directions Electric and magnetic properties in all directions Elastic properties in all directions Thermal properties in all directions Stresses induced in all directions Electric and magnetic properties in all directions ANSWER DOWNLOAD EXAMIANS APP