Engineering Materials The purpose of heat treatment is to Change grain size Relieve the stresses set up in the material after hot or cold working Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working Any one of these Modify the structure of the material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged chaotically, is called Amorphous material Mesomorphous material None of these Crystalline material Amorphous material Mesomorphous material None of these Crystalline material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Flywheel of steam engine Cycle chains Cast iron pipes Gas turbine blades Flywheel of steam engine Cycle chains Cast iron pipes Gas turbine blades ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Sulphur, phosphorus, lead Tungsten, molybdenum, vanadium, chromium Chromium and nickel Vanadium, aluminium Sulphur, phosphorus, lead Tungsten, molybdenum, vanadium, chromium Chromium and nickel Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Does not effect Increases Decreases None of these Does not effect Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An engineer's hammer is made of Forged steel High carbon steel Cast iron Mild steel Forged steel High carbon steel Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP