Engineering Materials Points of arrest for iron correspond to Stages at which allotropic forms change There is nothing like points of arrest Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time Stages at which allotropic forms change There is nothing like points of arrest Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Case hardening Nitriding Any one of these Flame hardening Case hardening Nitriding Any one of these Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Aluminium Copper Nickel Mild steel Aluminium Copper Nickel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% MgO SiO2 Steel Al2O3 MgO SiO2 Steel Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Along the lines of slag distribution Uniform in all directions None of these Perpendicular to lines of slag distribution Along the lines of slag distribution Uniform in all directions None of these Perpendicular to lines of slag distribution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Has a fixed structure under all conditions Responds to heat treatment Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern Has a fixed structure under all conditions Responds to heat treatment Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern ANSWER DOWNLOAD EXAMIANS APP
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