Engineering Materials Machining properties of steel are improved by adding Silicon, aluminium, titanium Chromium, nickel Sulphur, lead, phosphorous Vanadium, aluminium Silicon, aluminium, titanium Chromium, nickel Sulphur, lead, phosphorous Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has No graphite A low percentage of graphite A very high percentage of graphite Graphite as its basic constituent of composition No graphite A low percentage of graphite A very high percentage of graphite Graphite as its basic constituent of composition ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to absorb energy in the plastic range is called Resilience Toughness Fatigue strength Creep Resilience Toughness Fatigue strength Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Lead and bismuth Copper Silicon Magnesium Lead and bismuth Copper Silicon ANSWER DOWNLOAD EXAMIANS APP
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