Engineering Materials High carbon steel carries carbon percentage 0.8 to 1.5% 0.6 to 0.8% 0.1 to 0.3% 0.3 to 0.6% 0.8 to 1.5% 0.6 to 0.8% 0.1 to 0.3% 0.3 to 0.6% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Remain same None of these Decreases Increases Remain same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Both A and B Cementite None of these Free graphite Both A and B Cementite None of these Free graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to undergo large permanent deformations in tension All of these Ability to recover its original form Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension All of these Ability to recover its original form Ability to undergo large permanent deformations in compression ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The transistor is made of Germanium Gold Copper Silver Germanium Gold Copper Silver ANSWER DOWNLOAD EXAMIANS APP