Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 2.5 to 3 5 3 to 4 1.2 to 1.5 2.5 to 3 5 3 to 4 1.2 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Remains unchanged Decreases May increase or decrease, depends on the system Increases Remains unchanged Decreases May increase or decrease, depends on the system Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Wetted wall column Bubble-cap plate column Packed tower Seive-plate column Wetted wall column Bubble-cap plate column Packed tower Seive-plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is Induced draft cooling tower Natural draft cooling tower None of these Spray chamber Induced draft cooling tower Natural draft cooling tower None of these Spray chamber ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is A reversible phenomenon Both B & C An irreversible phenomenon Accompanied by evolution of heat A reversible phenomenon Both B & C An irreversible phenomenon Accompanied by evolution of heat 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 None of these Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing Dehumidified None of these Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing Dehumidified ANSWER DOWNLOAD EXAMIANS APP
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