Engineering Materials A small percentage of boron is added to steel in order to Increase endurance strength Increase hardenability Reduce machinability Increase wear resistance Increase endurance strength Increase hardenability Reduce machinability Increase wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Core hardening process None of these Carburising process Surface hardening process Core hardening process None of these Carburising process Surface hardening process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and nickel Copper and iron Copper and tin Copper and zinc Copper and nickel Copper and iron Copper and tin Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve ductility Improve toughness Improve machinability Release stresses Improve ductility Improve toughness Improve machinability Release stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Allotropic change Solidus change Physical change Molecular change Allotropic change Solidus change Physical change Molecular change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Fatigue strength is not high Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Wear resistance is very good Fatigue strength is not high Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low ANSWER DOWNLOAD EXAMIANS APP
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