Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Non-ferrous metals Low carbon steels Non-metals Stainless steel Non-ferrous metals Low carbon steels Non-metals Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The heat treatment process to which castings and the steel balls produced by cold heading are subjected is Normalising None of these Tempering Annealing Normalising None of these Tempering Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Atmospheric corrosion of metals result from their Fast oxidation Slow oxidation Fast hydration Slow dehydration Fast oxidation Slow oxidation Fast hydration Slow dehydration ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a light alloy? Babbit metal Dow metal German silver Monel metal Babbit metal Dow metal German silver Monel metal 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%)? Armature of small motors/generators High frequency transformers Induction motors Generators and small motors Armature of small motors/generators High frequency transformers Induction motors Generators and small motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel should have high Hardenability Both B & C Toughness Wear resistance Hardenability Both B & C Toughness Wear resistance ANSWER DOWNLOAD EXAMIANS APP
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