Mass Transfer Desulphurisation of petrol is done in a Plate type extraction column Rotating disc extractor Packed extraction column Bollman extractor Plate type extraction column Rotating disc extractor Packed extraction column Bollman extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature Dehumidified None of these Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature Dehumidified None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant molal overflow Total reflux Constant relative volatility All of these Constant molal overflow Total reflux Constant relative volatility All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Decoction None of these Elutriation or elution Percolation Decoction None of these Elutriation or elution Percolation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation. Vacuum Atmospheric High pressure None of these Vacuum Atmospheric High pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Very small quantity of solvent is required Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used ANSWER DOWNLOAD EXAMIANS APP
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