Engineering Materials Which of the following statement is true about brittle fracture? Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Brittle fracture is always preceded by noise High temperature and low strain rates favour brittle fracture Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Brittle fracture is always preceded by noise High temperature and low strain rates favour brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.008 0.017 0.0026 0.00025 0.008 0.017 0.0026 0.00025 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low wear resistance Low hardness Low tensile strength Toughness Low wear resistance Low hardness Low tensile strength Toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel primarily depends on Percentage of carbon Heat treatment employed Percentage of alloying elements Shape of carbides and their distribution in iron Percentage of carbon Heat treatment employed Percentage of alloying elements Shape of carbides and their distribution in iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc Iron scrap and zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc Iron scrap and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver is an alloy of Nickel, Copper and zinc Silver and some impurities Nickel and copper Refined silver Nickel, Copper and zinc Silver and some impurities Nickel and copper Refined silver ANSWER DOWNLOAD EXAMIANS APP