Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Dilute HCI None of these Concentrated H₂SO₄ Acetic acid Dilute HCI None of these Concentrated H₂SO₄ Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Is desirable Makes it brittle Increases its hardness Increases its strength Is desirable Makes it brittle Increases its hardness Increases its strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Never exhibit polymorphism Are exemplified by clay and mica Are poor electrical conductors due to lack of free electrons All of these Never exhibit polymorphism Are exemplified by clay and mica Are poor electrical conductors due to lack of free electrons All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is a process for Normalising Annealing Case hardening Spheroidising Normalising Annealing Case hardening Spheroidising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The digester of a Gobar gas plant is a Cast iron vessel Masonry well Mild steel drum Stainless steel vessel Cast iron vessel Masonry well Mild steel drum Stainless steel vessel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is not a case hardening process. Annealing Nitriding Carburising Cyaniding Annealing Nitriding Carburising Cyaniding ANSWER DOWNLOAD EXAMIANS APP
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