Engineering Materials Pearlite consists of 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% cementite and 87% ferrite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% cementite and 87% ferrite 13% carbon and 87% ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression All of these Ability to recover its original form Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression All of these Ability to recover its original form ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Soften material Relieve stresses Improve machining characteristic Harden steel slightly Soften material Relieve stresses Improve machining characteristic Harden steel slightly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Fixed structure at all temperatures Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above Fixed structure at all temperatures Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move Back and forth like tiny pendulums In circular motion In a random manner In a haphazard way Back and forth like tiny pendulums In circular motion In a random manner In a haphazard way ANSWER DOWNLOAD EXAMIANS APP
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