Mass Transfer The cooling effect in a cooling tower can not be increased by Reducing the humidity of entering air None of these Lowering the barometric pressure Increasing the air velocity over the wet surfaces Reducing the humidity of entering air None of these Lowering the barometric pressure Increasing the air velocity over the wet surfaces ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when Saturated feed is not used An azeotrope forms The latent heat of vaporisation of the more and less volatile components are greatly different A total condenser is used Saturated feed is not used An azeotrope forms The latent heat of vaporisation of the more and less volatile components are greatly different A total condenser is used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the mutual solubility of two liquids Increases Remains unchanged Decreases Decreases exponentially Increases Remains unchanged Decreases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.079 0.122 0.048 0.152 0.079 0.122 0.048 0.152 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The critical moisture content in case of drying indicates the __________ rate period. Beginning of constant Beginning of falling End of falling None of these Beginning of constant Beginning of falling End of falling None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Forms a low boiling azeotrope Does not alter the relative volatility of the original components Forms a high boiling azeotrope Is of low volatility Forms a low boiling azeotrope Does not alter the relative volatility of the original components Forms a high boiling azeotrope Is of low volatility ANSWER DOWNLOAD EXAMIANS APP
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