Engineering Materials In process annealing, the hypo eutectoid steel is 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 slowly in the furnace 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 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 slowly in the furnace 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Wrought iron Mild steel Cast iron Brass Wrought iron Mild steel Cast iron Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 0.5% Above 1% Above 2.2% Below 1% Below 0.5% Above 1% Above 2.2% Below 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Release stresses Improve toughness Improve ductility Improve machinability Release stresses Improve toughness Improve ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An engineer's hammer is made of Forged steel Cast iron High carbon steel Mild steel Forged steel Cast iron High carbon steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Chromium Cobalt Nickel Vanadium Chromium Cobalt Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP
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