Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Hardening and cold working Normalizing Martempering Full annealing Hardening and cold working Normalizing Martempering Full annealing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite None of these Both A and B Cementite Free graphite None of these Both A and B Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Along the lines of slag distribution Perpendicular to lines of slag distribution Uniform in all directions None of these Along the lines of slag distribution Perpendicular to lines of slag distribution Uniform in all directions None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1000 to 1100 VPN 600 VPN 250 VPN 1500 VPN 1000 to 1100 VPN 600 VPN 250 VPN 1500 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 600°C 700°C 913°C 723°C 600°C 700°C 913°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron, gamma from and delta iron Alpha iron, beta iron and gamma iron Alpha iron and beta iron Body centered cubic iron and face centered cubic iron Alpha iron, gamma from and delta iron Alpha iron, beta iron and gamma iron Alpha iron and beta iron Body centered cubic iron and face centered cubic iron ANSWER DOWNLOAD EXAMIANS APP