Mass Transfer The cooling effect in a cooling tower can not be increased by Lowering the barometric pressure Reducing the humidity of entering air Increasing the air velocity over the wet surfaces None of these Lowering the barometric pressure Reducing the humidity of entering air Increasing the air velocity over the wet surfaces None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Spray towers Perforated sieve tray towers Agitated vessels Bubble cap tray towers Spray towers Perforated sieve tray towers Agitated vessels Bubble cap tray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Increases Either A or B; depends on the gas Decreases Remains same Increases Either A or B; depends on the gas Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At constant pressure, with increase of temperature, the dew point will Increase/decrease ; depends on the temperature Increase Remain unchanged Decrease Increase/decrease ; depends on the temperature Increase Remain unchanged Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Surface renewal model of mass transfer was enunciated by Fick Stefan Toor and Marchello Danckwerts Fick Stefan Toor and Marchello Danckwerts ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 2500 1000 1500 2000 2500 1000 1500 2000 ANSWER DOWNLOAD EXAMIANS APP
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