Materials and Construction High resistance electrical heating elements/wire are not made of Kanthal wire Marageing steel Nichrome Nimonic alloys Kanthal wire Marageing steel Nichrome Nimonic alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Annealing Normalising Tempering Carburising Annealing Normalising Tempering Carburising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the None of these Endurance limit Ultimate tensile strength (U.T.S.) Elastic limit None of these Endurance limit Ultimate tensile strength (U.T.S.) Elastic limit ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In drop forging process, the forging is done by dropping the __________ at high velocity. Hammer Die with hammer Workpiece Weight on hammer Hammer Die with hammer Workpiece Weight on hammer ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. None of these Metal/alloy Dielectric Semi-conductor None of these Metal/alloy Dielectric Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? Generators and small motors Armature of small motors/generators High frequency transformers Induction motors Generators and small motors Armature of small motors/generators High frequency transformers Induction motors ANSWER DOWNLOAD EXAMIANS APP
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