Engineering Materials The steel widely used for motor car crankshafts is Chrome steel Silicon steel Nickel steel Nickel-chrome steel Chrome steel Silicon steel Nickel steel Nickel-chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Responds to heat treatment Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Has its atoms distributed in a random pattern Responds to heat treatment Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Has its atoms distributed in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.008 0.002 0.013 0.02 0.008 0.002 0.013 0.02 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 Recrystallization Precipitation Heat treatment Allotropic change Recrystallization Precipitation Heat treatment Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged chaotically, is called Amorphous material Mesomorphous material Crystalline material None of these Amorphous material Mesomorphous material Crystalline material None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of Face centered cubic space lattice None of these Close packed hexagonal space lattice Body centered cubic space lattice Face centered cubic space lattice None of these Close packed hexagonal space lattice Body centered cubic space lattice ANSWER DOWNLOAD EXAMIANS APP