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 behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials. Non-crystalline solid Non-crystalline organic polymeric Rubberry Crystalline Non-crystalline solid Non-crystalline organic polymeric Rubberry Crystalline ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Solid solution hardening Strain ageing Twinning Screw dislocation Solid solution hardening Strain ageing Twinning Screw dislocation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloying elements is present in maximum percentage in high speed steel. Tungsten Chromium Molybdenum Vanadium Tungsten Chromium Molybdenum Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has no effect on the carbide forming tendency in steels? Molybdenum Vanadium Chromium Phosphorus Molybdenum Vanadium Chromium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Dacron Urea-formaldehyde Phenol formaldehyde Polybutadiene Dacron Urea-formaldehyde Phenol formaldehyde Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
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