Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of High silicon iron (14% Si) Stainless steel Wood Reinforced concrete lined with lead High silicon iron (14% Si) Stainless steel Wood Reinforced concrete lined with lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead lined equipments & vessels are suitable for handling Sulphuric acid upto 60°C Hydrochloric acid (10%) All of these Nitric acid Sulphuric acid upto 60°C Hydrochloric acid (10%) All of these Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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. Concentrated H₂SO₄ Dilute HCI Acetic acid None of these Concentrated H₂SO₄ Dilute HCI Acetic acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hastelloy C is a good material of construction in chemical process industry, since it is Relatively inexpensive although it can be fabricated with some difficulty Corrosion resistant to most alkalis, particularly because of its coper content Highly corrosion resistant and is readily fabricated Light and resists attack by acids Relatively inexpensive although it can be fabricated with some difficulty Corrosion resistant to most alkalis, particularly because of its coper content Highly corrosion resistant and is readily fabricated Light and resists attack by acids ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The preferred material of construction for storage tanks for 98% sulphuric acid is Stainless steel 316 Lead Aluminium Mild steel Stainless steel 316 Lead Aluminium Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used in the production of pencillin (by deep fermentation process) is made of Procelain Glass High silicon cast iron Glass lined steel Procelain Glass High silicon cast iron Glass lined steel ANSWER DOWNLOAD EXAMIANS APP
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