Engineering Materials Which of the following statements are true for annealing of steels? Steels are heated to 500 to 700°C Internal stresses are relieved All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C Internal stresses are relieved All of these Cooling is done slowly and steadily 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. Both A and B None of these Cementite Free graphite Both A and B None of these Cementite Free graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Iron, zinc and bismuth Nickel, copper and zinc Nickel, copper and iron Copper, nickel and antimony Iron, zinc and bismuth Nickel, copper and zinc Nickel, copper and iron Copper, nickel and antimony ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from Chrome steel High carbon steel Medium carbon steel Low carbon steel Chrome steel High carbon steel Medium carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials High carbon steel carries carbon percentage 0.8 to 1.5% 0.6 to 0.8% 0.3 to 0.6% 0.1 to 0.3% 0.8 to 1.5% 0.6 to 0.8% 0.3 to 0.6% 0.1 to 0.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Normalizing Martempering Full annealing Hardening and cold working Normalizing Martempering Full annealing Hardening and cold working ANSWER DOWNLOAD EXAMIANS APP
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