Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Room temperature Between 910°C and 1400°C Near melting point Between 1400°C and 1539°C Room temperature Between 910°C and 1400°C Near melting point Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Cementite Austenite Ferrite Pearlite Cementite Austenite Ferrite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Silicon and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Phosphorous, lead and sulphur Silicon and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Phosphorous, lead and sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.002 0.001 0.004 0.006 0.002 0.001 0.004 0.006 ANSWER DOWNLOAD EXAMIANS APP