Engineering Materials The heat treatment process used for softening hardened steel is Carburising Normalizing Tempering Annealing Carburising Normalizing Tempering Annealing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. None of these Increases Does not effect Decreases None of these Increases Does not effect Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Basic solution is one which has pH value pH value has nothing to do with basic solution Greater than 7 Less than 7 Equal to 7 pH value has nothing to do with basic solution Greater than 7 Less than 7 Equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Nickel, copper and iron Nickel, copper and zinc Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and iron Nickel, copper and zinc Iron, zinc and bismuth Copper, nickel and antimony ANSWER DOWNLOAD EXAMIANS APP
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 ferrite Ferrite and pearlite Pearlite and cementite Mainly pearlite Mainly ferrite Ferrite and pearlite Pearlite and cementite Mainly pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? 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 Steels are heated to 500 to 700°C Internal stresses are relieved ANSWER DOWNLOAD EXAMIANS APP