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 Which of the following is not an alloy of nickel and chromium? Hastealloy Inconel Duralumin Nimonic alloys Hastealloy Inconel Duralumin Nimonic alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of Stainless steel Nickel Copper Brass Stainless steel Nickel Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Reinforced concrete lined with lead High silicon iron (14% Si) Stainless steel Wood Reinforced concrete lined with lead High silicon iron (14% Si) Stainless steel Wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of Silicon Vanadium Tungsten All of these Silicon Vanadium Tungsten All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium Tin, nickel, iron and chromium None of these And copper And graphite Tin, nickel, iron and chromium None of these And copper And graphite ANSWER DOWNLOAD EXAMIANS APP