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 Acetic acid None of these Concentrated H₂SO₄ Dilute HCI Acetic acid None of these Concentrated H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Beehive coke ovens are made of __________ bricks. Silicon carbide Corundum Silica Fireclay Silicon carbide Corundum Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Annealing Carburising Tempering Normalising Annealing Carburising Tempering Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain All of these Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting polymers are None of these Extruded Cast molded Injection moulded None of these Extruded Cast molded Injection moulded ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is Aluminium Stainless steel Cast iron Nickel Aluminium Stainless steel Cast iron Nickel ANSWER DOWNLOAD EXAMIANS APP
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