Engineering Materials Cyaniding is the process of Reacting steel surface with cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Obtaining cyanide salts Reacting steel surface with cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Obtaining cyanide salts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dislocations in materials refer to the following type of defect Point defect Volumetric defect Plane defect Line defect Point defect Volumetric defect Plane defect Line defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Copper Silicon Nickel Chromium Copper Silicon Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C 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 In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Slowly in the furnace Suddenly in a suitable cooling medium Any one of these In still air Slowly in the furnace Suddenly in a suitable cooling medium Any one of these In still air ANSWER DOWNLOAD EXAMIANS APP
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