Materials and Construction Lead pipe is Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Especially resistant to solutions containing H₂SO₄ All of these Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Especially resistant to solutions containing H₂SO₄ All of these Usually joined by burning (e.g. by melting to adjacent pieces with a torch) 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 Tin coating on metals is not done by Spraying Powder metallurgy Electro-deposition Hot dipping Spraying Powder metallurgy Electro-deposition Hot dipping ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Bismuth Antimony Arsenic Oxygen Bismuth Antimony Arsenic Oxygen ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and Moving mercury and crimped steel wire Moving mercury and carbon Moving mercury and graphite Graphite and moving mercury Moving mercury and crimped steel wire Moving mercury and carbon Moving mercury and graphite Graphite and moving mercury ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven regenerators are made of __________ bricks. Fire clay Low thermal conductivity High electrical conductivity Silica Fire clay Low thermal conductivity High electrical conductivity Silica ANSWER DOWNLOAD EXAMIANS APP
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