Materials and Construction Presence of cobalt in steel improves its None of these Corrosion resistance Cutting ability Tensile strength None of these Corrosion resistance Cutting ability Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sheardising process is used for Cold working on metals Surface coating Heat treatment of high speed steel None of these Cold working on metals Surface coating Heat treatment of high speed steel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties 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 Tempering Annealing None of these Normalising Tempering Annealing None of these Normalising 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
Materials and Construction German silver is an alloy of copper, nickel and Lead Zinc Silver Tin Lead Zinc Silver Tin ANSWER DOWNLOAD EXAMIANS APP
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