Engineering Materials In process 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 Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Pearlite and cementite Mainly ferrite Ferrite and pearlite Mainly pearlite Pearlite and cementite Mainly ferrite Ferrite and pearlite Mainly pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 90% magnesium and 9% aluminium with some copper 90% aluminium and 90% copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% magnesium and 9% aluminium with some copper 90% aluminium and 90% copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cartridge brass can be Any one of these Drawn into wires Cold rolled into sheets Formed into tube Any one of these Drawn into wires Cold rolled into sheets Formed into tube ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Carbon steel is Refined from cast iron Made by adding carbon in steel Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur Refined from cast iron Made by adding carbon in steel Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. None of these Increases Decreases Remain same None of these Increases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
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