Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Sieve plate column Bubble cap column Randomly packed column Wetted wall column Sieve plate column Bubble cap column Randomly packed column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line) L/mG ML/G G/mL LG/m L/mG ML/G G/mL LG/m ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, None of these Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate None of these Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Solvent flow rate should be very low No separation will occur Amount of solvent required will be minimum Separation of the constituents is the most effective Solvent flow rate should be very low No separation will occur Amount of solvent required will be minimum Separation of the constituents is the most effective 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 Spray chamber None of these Induced draft cooling tower Natural draft cooling tower Spray chamber None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air at a particular humidity is heated in a furnace. The new dew point Decreases Depends on the extent of heating Increases Remain unchanged Decreases Depends on the extent of heating Increases Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
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