Engineering Materials Hardness of upper bainite (acicular structure) is about RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 RC 48 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Copper, nickel and antimony 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In a hardening process, the hypo-eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Heat resisting steel Invar High speed steel Stainless steel Heat resisting steel Invar High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cyaniding is the process of Dipping steel in cyanide bath Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Reacting steel surface with cyanide salts Dipping steel in cyanide bath Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Reacting steel surface with cyanide salts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Magnalium Hindalium Y-alloy Duralumin Magnalium Hindalium Y-alloy Duralumin ANSWER DOWNLOAD EXAMIANS APP