Materials and Construction The presence of impurities in iron Increases its melting point Makes it malleable Decreases its melting point Does not affect its melting point Increases its melting point Makes it malleable Decreases its melting point Does not affect its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one is remelted and poured into moulds to get cast iron? Low carbon steel Wrought iron Pig iron Mild steel Low carbon steel Wrought iron Pig iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material capable of undergoing large permanent deformation, when subjected to tension is termed as Friable Ductile Brittle None of these Friable Ductile Brittle None of these 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 None of these Dilute HC₁ Acetic acid v None of these Dilute HC₁ Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used for the production of ethyl alcohol from molasses is made of Wood Copper bearing steel Concrete Procelain Wood Copper bearing steel Concrete Procelain ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised Strongly Only slightly In a direction opposite to that of the applied field With eddy currents only Strongly Only slightly In a direction opposite to that of the applied field With eddy currents only ANSWER DOWNLOAD EXAMIANS APP