Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Both A & B Neither A nor B Electrochemical Chemical Both A & B Neither A nor B Electrochemical Chemical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the highest compressive strength? Cast iron Mild steel Wrought iron High carbon steel Cast iron Mild steel Wrought iron High carbon steel 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 Induction motors Armature of small motors/generators High frequency transformers Generators and small motors Induction motors Armature of small motors/generators High frequency transformers ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of coating steel sheets by zinc to improve its corrosion resistance is called Galvanising Zincification Tempering Calorising Galvanising Zincification Tempering Calorising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Strength Hardness Ductility Machinability Strength Hardness Ductility Machinability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Phenol is not shipped in Boxed glass carboys Nickel lined steel tank cars Cast iron containers Galvanised or tin lined drums Boxed glass carboys Nickel lined steel tank cars Cast iron containers Galvanised or tin lined drums ANSWER DOWNLOAD EXAMIANS APP
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