Engineering Materials The purpose of heat treatment is to Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Silver Copper Duralumin Brass Silver Copper Duralumin Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Cementite Flakes Free carbon Spheroids Cementite Flakes Free carbon Spheroids ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance 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 Allotropic change Heat treatment Precipitation Recrystallization Allotropic change Heat treatment Precipitation Recrystallization ANSWER DOWNLOAD EXAMIANS APP