Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.013 0.002 0.008 0.02 0.013 0.002 0.008 0.02 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to recover its original form All of these Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression Ability to recover its original form All of these Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Change grain size Any one of these Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Change grain size Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Reducing the ore with carbon in the presence of a flux All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water Reducing the ore with carbon in the presence of a flux All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist None of these Deformation under stress Fracture due to high impact loads Externally applied forces with breakdown or yielding None of these Deformation under stress Fracture due to high impact loads Externally applied forces with breakdown or yielding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength ANSWER DOWNLOAD EXAMIANS APP