Engineering Materials The heat treatment process used for softening hardened steel is Carburising Tempering Annealing Normalizing Carburising Tempering Annealing Normalizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron Alloying elements like chromium, tungsten nickel and copper 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron Alloying elements like chromium, tungsten nickel and copper 50% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum None of these Along the lines of slag distribution Perpendicular to lines of slag distribution Uniform in all directions None of these Along the lines of slag distribution Perpendicular to lines of slag distribution Uniform in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Combined carbon in iron makes the metal Hard and gives a coarse grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Between 910°C and 1400°C Room temperature Between 1400°C and 1539°C Near melting point Between 910°C and 1400°C Room temperature Between 1400°C and 1539°C Near melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin and copper Tin, lead and silver Tin and lead Tin, lead and small percentage of antimony Tin and copper Tin, lead and silver Tin and lead ANSWER DOWNLOAD EXAMIANS APP