Engineering Materials The ability of a material to resist softening at high temperature is known as Creep Hot hardness Hot tempering Fatigue Creep Hot hardness Hot tempering Fatigue ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about 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 High temperature and low strain rates favour brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Eutectic cast irons None of these Hypoeutectic cast irons Hypereutectic cast irons Eutectic cast irons None of these Hypoeutectic cast irons Hypereutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon In which stress remains constant on increasing load In which parts are not loaded In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load In which stress remains constant on increasing load In which parts are not loaded In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel primarily depends on Percentage of alloying elements Heat treatment employed Shape of carbides and their distribution in iron Percentage of carbon Percentage of alloying elements Heat treatment employed Shape of carbides and their distribution in iron Percentage of carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Between 1400°C and 1539°C Room temperature Between 910°C and 1400°C Near melting point Between 1400°C and 1539°C Room temperature Between 910°C and 1400°C Near melting point ANSWER DOWNLOAD EXAMIANS APP