Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by None of these v Dilute HC₁ Acetic acid None of these v Dilute HC₁ Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plasticisers are added to polymers to improve their Tensile strength Alkali resistance Acid resistance Softness & flexibility Tensile strength Alkali resistance Acid resistance Softness & flexibility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Evaporator used for concentrating tomato juice is made of Nickel Brass Stainless steel-glass lined Cast iron-rubber lined Nickel Brass Stainless steel-glass lined Cast iron-rubber lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Titanium metal None of these Is used in oceanographic and space exploration applications Exists in three allotropic forms Can not be welded None of these Is used in oceanographic and space exploration applications Exists in three allotropic forms Can not be welded ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs are made of High alumina ceramic Carborundum Corundum Metallic carbides High alumina ceramic Carborundum Corundum Metallic carbides ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting resins are those polymers, which None of these Do not increase in plasticity with rise in temperature Do not take on a permanent set Allow slip to occur between molecules None of these Do not increase in plasticity with rise in temperature Do not take on a permanent set Allow slip to occur between molecules ANSWER DOWNLOAD EXAMIANS APP
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