Engineering Materials Body centered cubic space lattice is found in Alpha iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma iron, aluminium, copper, lead, silver and nickel None of these Alpha iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma iron, aluminium, copper, lead, silver and nickel None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? 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 Brittle fracture is always preceded by noise ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Any one of these Suddenly in a suitable cooling medium Slowly in the furnace In still air Any one of these Suddenly in a suitable cooling medium Slowly in the furnace In still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Increases as the carbon content in steel increases Decreases as the carbon content in steel increases Depends upon the rate of heating Is same for all steels Increases as the carbon content in steel increases Decreases as the carbon content in steel increases Depends upon the rate of heating Is same for all steels ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Machinability Hardness Strength and ductility Hardness and strength Machinability Hardness Strength and ductility Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 1015 35 57 710 1015 35 57 710 ANSWER DOWNLOAD EXAMIANS APP
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