Engineering Materials Which of the following material has maximum ductility? Aluminium Mild steel Copper Nickel Aluminium Mild steel Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 0.5% Below 1% Above 1% Above 2.2% Below 0.5% Below 1% Above 1% Above 2.2% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 6.3% Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper 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 Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond None of these Ionic bond Metallic bond Covalent bond None of these Ionic bond Metallic bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. None of these Decreases Increases Remain same None of these Decreases Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
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