Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Mainly pearlite Pearlite and cementite Mainly ferrite Ferrite and pearlite Mainly pearlite Pearlite and cementite Mainly ferrite Ferrite and pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? All of these Internal stresses are relieved Steels are heated to 500 to 700°C Cooling is done slowly and steadily All of these Internal stresses are relieved Steels are heated to 500 to 700°C Cooling is done slowly and steadily ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of Below 723°C 1400 to 1539°C 770 to 910°C 910 to 1440°C Below 723°C 1400 to 1539°C 770 to 910°C 910 to 1440°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 48 RC 57 RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Electroplating Induction hardening Nitriding Cyaniding Electroplating Induction hardening Nitriding Cyaniding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has High resistance to rusting and corrosion Uniform strength in all directions Ability of hold protective coating High ductility High resistance to rusting and corrosion Uniform strength in all directions Ability of hold protective coating High ductility ANSWER DOWNLOAD EXAMIANS APP
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