Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 1147°C 723°C 600°C 1493°C 1147°C 723°C 600°C 1493°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Silicon and sulphur Phosphorous, lead and sulphur Sulphur, graphite and aluminium Phosphorous and aluminium Silicon and sulphur Phosphorous, lead and sulphur Sulphur, graphite and aluminium Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Below 0.8% None of these 0.008 Above 0.8% Below 0.8% None of these 0.008 Above 0.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Manganese Vanadium Nickel Chromium Manganese Vanadium Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High machinability All of these Low melting point High tensile strength High machinability All of these Low melting point High tensile strength ANSWER DOWNLOAD EXAMIANS APP