Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Wood High silicon iron (14% Si) Stainless steel Reinforced concrete lined with lead Wood High silicon iron (14% Si) Stainless steel Reinforced concrete lined with lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardened steel essentially contains None of these Sorbite Troostite Martensite None of these Sorbite Troostite Martensite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chromel (Nichrome) is an alloy of Chromium and aluminium Chromium and molybdenum Nickel and chromium Molybdenum and nickel Chromium and aluminium Chromium and molybdenum Nickel and chromium Molybdenum and nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material of construction of bearings is Steel Babbit metal Pig iron Cast iron Steel Babbit metal Pig iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction SO₃ is absorbed using H₂SO₄ in a Cast iron packed tower None of these Packed steel tower lined with acid proof bricks Stainless steel plate tower Cast iron packed tower None of these Packed steel tower lined with acid proof bricks Stainless steel plate tower ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Converted to a fine powder Oxidised Reduced None of these Converted to a fine powder Oxidised Reduced None of these ANSWER DOWNLOAD EXAMIANS APP
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