Materials and Construction __________ is a donor impurity for semi-conductors. Gallium None of these Antimony Boron Gallium None of these Antimony Boron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. Cobalt Tungsten Nickel Chromium Cobalt Tungsten Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An elastic behaviour of materials is expressed in terms of Relaxation time Hysterisis loop area None of these Stress-strain curve Relaxation time Hysterisis loop area None of these Stress-strain curve ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to Soften its surface Improve its reliability None of these Harden its surface Soften its surface Improve its reliability None of these Harden its surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Glass Plastic Steel Rubber Glass Plastic Steel Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ iron is produced, when molten pig iron is chilled suddenly. Grey cast White cast None of these Wrought Grey cast White cast None of these Wrought ANSWER DOWNLOAD EXAMIANS APP