Engineering Materials The machinability of steel is increased by Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Nickel, copper and zinc Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and iron Nickel, copper and zinc Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is Heat resisting steel Nickel steel High speed steel Stainless steel Heat resisting steel Nickel steel High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.02 0.013 0.008 0.002 0.02 0.013 0.008 0.002 ANSWER DOWNLOAD EXAMIANS APP
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