Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 1050°C Below recrystallization temperature 910°C 770°C 1050°C Below recrystallization temperature 910°C 770°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in low carbon steel is 0.05% 0.5% 0.3% 0.15% 0.05% 0.5% 0.3% 0.15% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Sulphur Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about 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 Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant? Electric process LD process Open hearth process Bessemer process Electric process LD process Open hearth process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Creep Plastic deformation Endurance Fatigue Creep Plastic deformation Endurance Fatigue ANSWER DOWNLOAD EXAMIANS APP