Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of High silicon iron (14% Si) Reinforced concrete lined with lead Stainless steel Wood High silicon iron (14% Si) Reinforced concrete lined with lead Stainless steel Wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zinc is highly __________ at room temperature. Resistant to atmospheric corrosion Malleable Ductile Brittle Resistant to atmospheric corrosion Malleable Ductile Brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following stainless steels is non-magnetic? Martensitic None of these Ferritic Austenitic Martensitic None of these Ferritic Austenitic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The softest material just next to talc in the Mho's scale is Feldspar Quartz Fluorite Gypsum Feldspar Quartz Fluorite Gypsum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicone rubber is not resistant to the corrosive action of Ether Both B and C Sulphuric acid (10%) Sulphuric acid (95%) Ether Both B and C Sulphuric acid (10%) Sulphuric acid (95%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dry chlorine can be handled in a vessel made of PVC Brass Iron or steel Ickel PVC Brass Iron or steel Ickel ANSWER DOWNLOAD EXAMIANS APP
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