Engineering Materials When medium carbon steel is heated to coarsening temperature There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cyaniding is the process of Obtaining cyanide salts Dipping steel in cyanide bath Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Reacting steel surface with cyanide salts Obtaining cyanide salts Dipping steel in cyanide bath 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 Which of the following represents the allotropic forms of iron? Alpha iron, gamma from and delta iron Body centered cubic iron and face centered cubic iron Alpha iron, beta iron and gamma iron Alpha iron and beta iron Alpha iron, gamma from and delta iron Body centered cubic iron and face centered cubic iron Alpha iron, beta iron and gamma iron Alpha iron and beta iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move In a haphazard way In a random manner In circular motion Back and forth like tiny pendulums In a haphazard way In a random manner In circular motion Back and forth like tiny pendulums ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Cementite Spheroids Free carbon Flakes Cementite Spheroids Free carbon Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Chromium Sulphur, lead and phosphorus Nickel Nickel and chromium Chromium Sulphur, lead and phosphorus Nickel Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
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