Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron, gamma from and delta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron Alpha iron and beta iron Alpha iron, gamma from and delta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron Alpha iron and beta iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Reduce machinability Increase hardenability Increase wear resistance Increase endurance strength Reduce machinability Increase hardenability Increase wear resistance Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma-iron occurs between the temperature ranges of 400°C to 600°C 900°C to 1400°C 1400°C to 1530°C 600°C to 900°C 400°C to 600°C 900°C to 1400°C 1400°C to 1530°C 600°C to 900°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Both A and B Cementite None of these Free graphite Both A and B Cementite None of these Free graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Gas turbine blades Cycle chains Cast iron pipes Flywheel of steam engine Gas turbine blades Cycle chains Cast iron pipes Flywheel of steam engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Mild steel belongs to the following category High carbon steel Low carbon steel Medium carbon steel Alloy steel High carbon steel Low carbon steel Medium carbon steel Alloy steel ANSWER DOWNLOAD EXAMIANS APP