Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Nitriding of surface Shot peening Cold working Surface decarburisation Nitriding of surface Shot peening Cold working Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Chromium Copper Nickel Silicon Chromium Copper Nickel Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of None of these Face centered cubic space lattice Close packed hexagonal space lattice Body centered cubic space lattice None of these Face centered cubic space lattice Close packed hexagonal space lattice Body centered cubic space lattice ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Lead Mica Glass Silver Lead Mica Glass Silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Lead Zinc Glass Silver Lead Zinc Glass Silver ANSWER DOWNLOAD EXAMIANS APP