Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Mixture of water and air Blast of air Rain of molten lead Jet of water at high pressure Mixture of water and air Blast of air Rain of molten lead Jet of water at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C. 3000 1800 2000 2400 3000 1800 2000 2400 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Surface tension is due to the __________ forces. Cohesive Difference between adhesive & cohesive Viscous Adhesive Cohesive Difference between adhesive & cohesive Viscous Adhesive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Grain hardness is measured by the __________ hardness testing method. Knoop Rockwell F Shore sceleroscope Vicker's Knoop Rockwell F Shore sceleroscope Vicker's ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which one is neutral in character ? N₂O₅ N₂O₃ N₂O₄ N₂O N₂O₅ N₂O₃ N₂O₄ N₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The stress at which a metal fails by fatigue lies Near the fracture point of the stress-strain curve In the elastic range In the plastic range None of these Near the fracture point of the stress-strain curve In the elastic range In the plastic range None of these ANSWER DOWNLOAD EXAMIANS APP
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