Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 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 0.152 0.122 0.048 0.079 0.152 0.122 0.048 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Constant boiling mixture High boiling mixture Heat sensitive materials Mixture with very high relative volatility Constant boiling mixture High boiling mixture Heat sensitive materials Mixture with very high relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied with chemical reaction is exemplified by the absorption of Ammonia in water Benzol present in coke oven gas by wash oil All of these SO₂ in alkaline solution Ammonia in water Benzol present in coke oven gas by wash oil All of these SO₂ in alkaline solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Increase Remains same Decrease Depend on saturated boiling point; may increase or decrease Increase Remains same Decrease Depend on saturated boiling point; may increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of sugar is done in a __________ dryer. Rotary Tray Truck Spouted bed Rotary Tray Truck Spouted bed ANSWER DOWNLOAD EXAMIANS APP
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