Materials and Construction Work hardening of a material Increases its ductility Does not affect its ductility Decreases its ductility Decreases its tensile strength Increases its ductility Does not affect its ductility Decreases its ductility Decreases its tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gas holder of a gobar (cowdung) gas plant is made of Aluminium Tin Molybdenum stainless steel Mild steel Aluminium Tin Molybdenum stainless steel Mild 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%)? Induction motors Armature of small motors/generators Generators and small motors High frequency transformers Induction motors Armature of small motors/generators Generators and small motors High frequency transformers 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 v Acetic acid Dilute HC₁ None of these v Acetic acid Dilute HC₁ None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Among the tin containing alloys, __________ consumes the maximum amount of tin. White metal Pewter matal Solder Bronzes White metal Pewter matal Solder Bronzes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel balls for ball bearings are generally made of __________ steel. Stainless Carbon chrome Cast Free carbon Stainless Carbon chrome Cast Free carbon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS