Engineering Materials The hardness of steel increases if it contains Pearlite Cementite Martensite Austenite Pearlite Cementite Martensite Austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is None of these 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 Heated up to the lower critical temperature and then cooled in still air None of these 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 Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 0°C Above 100°K Around 100°C Below 10°K Around 0°C Above 100°K Around 100°C Below 10°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move In a random manner In circular motion Back and forth like tiny pendulums In a haphazard way In a random manner In circular motion Back and forth like tiny pendulums In a haphazard way ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Cup and cone formation is characteristic for brittle materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to All of these Make the steel tougher and harder Make the steel ductile and of good bending qualities Raise the yield point All of these Make the steel tougher and harder Make the steel ductile and of good bending qualities Raise the yield point ANSWER DOWNLOAD EXAMIANS APP