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 slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air 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 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 from 30°C to 50°C above the upper critical temperature and then cooled in still air 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 suddenly in a suitable cooling medium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material due to which it breaks with little permanent distortion, is called Brittleness Malleability Plasticity Ductility Brittleness Malleability Plasticity Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Mica Silver Lead Glass Mica Silver Lead Glass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Induction hardening Nitriding Cyaniding Electroplating Induction hardening Nitriding Cyaniding Electroplating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The blade of a power saw is made of Boron steel High speed steel Malleable cast iron Stainless steel Boron steel High speed steel Malleable cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 600 VPN 1000 to 1100 VPN 1500 VPN 250 VPN 600 VPN 1000 to 1100 VPN 1500 VPN 250 VPN ANSWER DOWNLOAD EXAMIANS APP
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