Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The portion of the blast furnace below its widest cross-section is called Stack Bosh Throat Hearth Stack Bosh Throat Hearth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In nodular iron, graphite is in the form of Cementite Free carbon Spheroids Flakes Cementite Free carbon Spheroids Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Process of Austempering results in Martenistic structure Formation of bainite structure Lamellar layers of carbide distributed throughout the structure Carburised structure Martenistic structure Formation of bainite structure Lamellar layers of carbide distributed throughout the structure Carburised structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Body centered cubic space lattice is found in None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha iron, tungsten, chromium and molybdenum Gamma iron, aluminium, copper, lead, silver and nickel None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha iron, tungsten, chromium and molybdenum Gamma iron, aluminium, copper, lead, silver and nickel ANSWER DOWNLOAD EXAMIANS APP
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