Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is Below recrystallization temperature 1050°C 770°C 910°C Below recrystallization temperature 1050°C 770°C 910°C 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 Suddenly in a suitable cooling medium Any one of these Slowly in the furnace In still air Suddenly in a suitable cooling medium Any one of these Slowly in the furnace In still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by X-ray techniques Optical microscope Metallurgical microscope Naked eye X-ray techniques Optical microscope Metallurgical microscope Naked eye ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 10% aluminium and 90% copper 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 10% aluminium and 90% copper 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in 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 None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Lead and bismuth Copper Magnesium Silicon Lead and bismuth Copper Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP