Engineering Materials Closed packed hexagonal space lattice is found in Gamma-iron, aluminium, copper, lead, silver and nickel Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Gamma-iron, aluminium, copper, lead, silver and nickel Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Recrystallization Precipitation Allotropic change Heat treatment Recrystallization Precipitation Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Tungsten, chromium, titanium Chromium, titanium, vanadium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Tungsten, chromium, titanium Chromium, titanium, vanadium Vanadium, chromium, tungsten ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Free carbon White carbon Cementite Graphite Free carbon White carbon Cementite Graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature 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 The grain size increases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ratio of the volume occupied by the atoms to the total volume of the unit cell is called Atomic packing factor Space lattice None of these Coordination number Atomic packing factor Space lattice None of these Coordination number ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS