Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 48 RC 80 RC 65 RC 57 RC 48 RC 80 RC 65 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High tensile strength Low melting point High machinability All of these High tensile strength Low melting point High machinability All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Hypoeutectic cast irons None of these Eutectic cast irons Hypereutectic cast irons Hypoeutectic cast irons None of these Eutectic cast irons Hypereutectic cast irons 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 The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron is Ferromagnetic Dielectric Paramagnetic Ferroelectric Ferromagnetic Dielectric Paramagnetic Ferroelectric ANSWER DOWNLOAD EXAMIANS APP