Materials and Construction The purpose of nitriding the steel is to None of these Improve its reliability Harden its surface Soften its surface None of these Improve its reliability Harden its surface Soften its surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Heat resisting steel Austenitic stainless steel Invar High speed steel Heat resisting steel Austenitic stainless steel Invar High speed steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The formation of oxide film on a metal due to atmospheric exposure reduces its Creep limit Stiffness Toughness All of these Creep limit Stiffness Toughness All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An elastic behaviour of materials is expressed in terms of Relaxation time Hysterisis loop area Stress-strain curve None of these Relaxation time Hysterisis loop area Stress-strain curve None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised Only slightly With eddy currents only In a direction opposite to that of the applied field Strongly Only slightly With eddy currents only In a direction opposite to that of the applied field Strongly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Purity of electrical grade aluminium should be ≥ __________ percent. 99.5 90 95 85 99.5 90 95 85 ANSWER DOWNLOAD EXAMIANS APP