Materials and Construction __________ is added in stainless steel to prevent inter crystal corrosion. Niobium Vanadium Nickel Chromium Niobium Vanadium Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least carbon percentage? Wrought iron White cast iron Mild steel Low carbon steel Wrought iron White cast iron Mild steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of High silicon (14%) iron Stainles steel Copper Aluminium High silicon (14%) iron Stainles steel Copper Aluminium 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%)? Induction motors Armature of small motors/generators High frequency transformers Generators and small motors Induction motors Armature of small motors/generators High frequency transformers Generators and small motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the highest Between the first & second Above the lowest Between the second & third Above the highest Between the first & second Above the lowest Between the second & third ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alpha iron is stable __________ °C. Above 1403 Above 1800 Between 910 & 1403 Upto 910 Above 1403 Above 1800 Between 910 & 1403 Upto 910 ANSWER DOWNLOAD EXAMIANS APP
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