Engineering Materials The purpose of heat treatment is to Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Nickel Manganese Chromium Vanadium Nickel Manganese Chromium Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An engineer's hammer is made of Mild steel Forged steel High carbon steel Cast iron Mild steel Forged steel High carbon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of Cast iron High carbon H.S.S. Mild steel Cast iron High carbon H.S.S. Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 1% phosphorous 0.5% of phosphorous None of these 2.5% phosphorous 1% phosphorous 0.5% of phosphorous None of these 2.5% phosphorous ANSWER DOWNLOAD EXAMIANS APP
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