Engineering Materials Sulphur in steel Lowers the toughness and transverse ductility Reduces the grain size Acts as deoxidiser Decreases tensile strength and hardness Lowers the toughness and transverse ductility Reduces the grain size Acts as deoxidiser Decreases tensile strength and hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High machinability High tensile strength Low melting point All of these High machinability High tensile strength Low melting point All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Point defect Surface defect Line defect None of these Point defect Surface defect Line defect None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Induction hardening Nitriding Electroplating Cyaniding Induction hardening Nitriding Electroplating Cyaniding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Malleability of a material can be defined as Ability to recover its original form Ability to undergo large permanent deformations in compression All of these Ability to undergo large permanent deformations in tension Ability to recover its original form Ability to undergo large permanent deformations in compression All of these Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
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