Engineering Materials Dye penetrant method is generally used to locate Core defects Superficial defects Surface defects Temporary defects Core defects Superficial defects Surface defects Temporary defects 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 Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Ferrite and pearlite Mainly ferrite Pearlite and cementite Mainly pearlite Ferrite and pearlite Mainly ferrite Pearlite and cementite Mainly pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in 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 Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Sulphur, lead and phosphorus Chromium Nickel Nickel and chromium Sulphur, lead and phosphorus Chromium Nickel Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Elasticity Plasticity Ductility Malleability Elasticity Plasticity Ductility Malleability ANSWER DOWNLOAD EXAMIANS APP