Engineering Materials In malleable iron, carbon is present in the form of Free carbon Flakes Nodular aggregates of graphite Cementite Free carbon Flakes Nodular aggregates of graphite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Silver Lead Zinc Glass Silver Lead Zinc Glass 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 Combined carbon in iron makes the metal Hard and gives a coarse grained crystalline structure Soft and gives coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Nitriding Cyaniding Induction hardening Electroplating Nitriding Cyaniding Induction hardening Electroplating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP