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 The heat treatment process applied to cold formed steel parts is Artificial ageing Solution annealing Normalising Tempering Artificial ageing Solution annealing Normalising Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fatigue failure of a material results from __________ stress. None of these Compressive Tensile Fluctuating None of these Compressive Tensile Fluctuating ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum permissible sulphur content in steel is __________ percent. 0.055 0.805 0.505 0.015 0.055 0.805 0.505 0.015 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Urea-formaldehyde Polybutadiene Phenol formaldehyde Dacron Urea-formaldehyde Polybutadiene Phenol formaldehyde Dacron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel tower used for the storage of oleum Is lined with lead Is lined with rubber Need not be lined Is lined with acid-proof bricks Is lined with lead Is lined with rubber Need not be lined Is lined with acid-proof bricks ANSWER DOWNLOAD EXAMIANS APP