Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Wood Stainless steel High silicon iron (14% Si) Reinforced concrete lined with lead Wood Stainless steel High silicon iron (14% Si) Reinforced concrete lined with lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Karbate Acidic refractory Rubber Lead or acid-proof bricks Karbate Acidic refractory Rubber Lead or acid-proof bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Liners of a ball mill are never made of Cast iron Alloy steel Lead Rubber or ceramic material Cast iron Alloy steel Lead Rubber or ceramic material ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as None of these Anodising Parkerising Sheradising None of these Anodising Parkerising Sheradising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is Cast iron Stainless steel Nickel Aluminium Cast iron Stainless steel Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast irons are generally specified by their Carbon content Hardness Manufacturing proces Tensile strength Carbon content Hardness Manufacturing proces Tensile strength ANSWER DOWNLOAD EXAMIANS APP
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