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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It melts at 1535°C It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It is very soft and ductile It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It is very soft and ductile It contains carbon of the order of 0 to 0.25% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in ferrite is 0.00025 0.001 0.0025 0.0006 0.00025 0.001 0.0025 0.0006 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Copper Nickel Mild steel Aluminium Copper Nickel Mild steel Aluminium ANSWER DOWNLOAD EXAMIANS APP