Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Brittleness Ductility Plasticity Malleability Brittleness Ductility Plasticity Malleability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of Mild steel H.S.S. Cast iron High carbon Mild steel H.S.S. Cast iron High carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Graphite Cementite Free carbon White carbon Graphite Cementite Free carbon White carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? Brittle fracture is always preceded by noise High temperature and low strain rates favour brittle fracture Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise High temperature and low strain rates favour brittle fracture 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 Duralumin contains 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 600°C 723°C 700°C 913°C 600°C 723°C 700°C 913°C ANSWER DOWNLOAD EXAMIANS APP