Materials and Construction Platinum and silver are corroded by Sulphuric acid (10%) None of these Caustic soda solution Phosphoric acid Sulphuric acid (10%) None of these Caustic soda solution Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Wood 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most of the common metals have __________ crystal structure. Hexagonal Cubic Orthorhombic None of these Hexagonal Cubic Orthorhombic None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plate and frame filter press is usually made of Cast iron Stainless steel Mild steel Galvanised iron Cast iron Stainless steel Mild steel Galvanised iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but An elastomer Acrylic sheet An alloy of lead and tin Aluminium foil clad with bakelite An elastomer Acrylic sheet An alloy of lead and tin Aluminium foil clad with bakelite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not a nickel based alloy? Nimonics Babbit metal Inconel Hastelloys Nimonics Babbit metal Inconel Hastelloys ANSWER DOWNLOAD EXAMIANS APP
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