Engineering Materials Which of the following material has maximum ductility? Copper Nickel Mild steel Aluminium Copper Nickel Mild steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
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 The hardness of steel primarily depends on Shape of carbides and their distribution in iron Percentage of alloying elements Heat treatment employed Percentage of carbon Shape of carbides and their distribution in iron Percentage of alloying elements Heat treatment employed Percentage of carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Weld decay is the phenomenon found with Nonferrous materials Cast iron Stainless steel Mild steel Nonferrous materials Cast iron Stainless steel Mild steel ANSWER DOWNLOAD EXAMIANS APP