Engineering Materials The machinability of steel is increased by Phosphorous, lead and sulphur Silicon and sulphur Sulphur, graphite and aluminium Phosphorous and aluminium Phosphorous, lead and sulphur Silicon and sulphur Sulphur, graphite and aluminium Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In nodular iron, graphite is in the form of Spheroids Flakes Cementite Free carbon Spheroids Flakes Cementite Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium Silver and chromium 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium Silver and chromium 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Make the iron white and hard Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable Make the iron white and hard Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling ANSWER DOWNLOAD EXAMIANS APP
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