Engineering Materials When medium carbon steel is heated to coarsening temperature There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An eutectoid steel consists of Wholly pearlite Wholly austenite Pearlite and ferrite Pearlite and cementite Wholly pearlite Wholly austenite Pearlite and ferrite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 0.83% Adding carbon up to 6.3% Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 0.83% Adding carbon up to 6.3% Adding small quantities of copper Adding carbon up to 2.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Full annealing Hardening and cold working Normalizing Martempering Full annealing Hardening and cold working Normalizing Martempering ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Hardness Yield point Melting point Critical temperature Hardness Yield point Melting point Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Wrought iron Cast iron Brass Mild steel Wrought iron Cast iron Brass Mild steel ANSWER DOWNLOAD EXAMIANS APP
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