Mass Transfer Blowdown in a cooling tower All of these Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sticky material can be dried in a __________ dryer. Rotary Tray None of these Fluidised bed Rotary Tray None of these Fluidised bed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 100 1000 500 50 100 1000 500 50 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of None of these Thermal diffusivity to mass diffusivity Mass diffusivity to momentum diffusivity Momentum diffusivity to thermal diffusivity None of these Thermal diffusivity to mass diffusivity Mass diffusivity to momentum diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - f/(1 - f) - 1/f (1 - f)/f - (f - 1)/f - f/(1 - f) - 1/f (1 - f)/f - (f - 1)/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Operating Minimum Maximum permissible Total Operating Minimum Maximum permissible Total ANSWER DOWNLOAD EXAMIANS APP
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