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. Concentrated H₂SO₄ None of these Dilute HCI Acetic acid Concentrated H₂SO₄ None of these Dilute HCI Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron has High ductility Elastic limit close to ultimate breaking strength High malleability Very high tensile strenth High ductility Elastic limit close to ultimate breaking strength High malleability Very high tensile strenth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Urea autoclave is made of Refractory blocks Lead lined steel Stainless steel Cast iron Refractory blocks Lead lined steel Stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. High silicon iron, Kel-F and teflon Silicone rubber Stainless steel Tin and wood High silicon iron, Kel-F and teflon Silicone rubber Stainless steel Tin and wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material no longer behaves elastically beyond Breaking load Plastic limit Elastic limit Limiting load Breaking load Plastic limit Elastic limit Limiting load ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Normalising Tempering Annealing None of these Normalising Tempering Annealing None of these ANSWER DOWNLOAD EXAMIANS APP