Materials and Construction Age hardening is concerned with Duralumin Copper Silver Brass Duralumin Copper Silver Brass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Inconel is an alloy of Iron, nickel and chromium Tin, zinc and nickel Copper and nickel Copper and tin Iron, nickel and chromium Tin, zinc and nickel Copper and nickel Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The maximum percentage of chromium that can be added to steel is about 24 18 12 30 24 18 12 30 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 High frequency transformers Generators and small motors Armature of small motors/generators Induction motors High frequency transformers Generators and small motors Armature of small motors/generators ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Centrifugal pump made of pyrex or glass can't be used to pump Alkaline solutions Dilute H₂SO₄ at room temperature Milk and fruit juices Brine Alkaline solutions Dilute H₂SO₄ at room temperature Milk and fruit juices Brine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by Acetic acid v Dilute HC₁ None of these Acetic acid v Dilute HC₁ None of these ANSWER DOWNLOAD EXAMIANS APP
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