Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes No Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high Yes No Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at constant temperature __________ the total pressure. None of these Increases with increase in Decreases with increase in Is independent of None of these Increases with increase in Decreases with increase in Is independent of ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature. Adiabatic saturation Dry-bulb Wet-bulb Dew point Adiabatic saturation Dry-bulb Wet-bulb Dew point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs . T P vs . log T Log P vs. log T T vs . P Log P vs . T P vs . log T Log P vs. log T T vs . P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Centrifugal extractor Packed extraction tower Mixer-settler extractor Pulsed extractor Centrifugal extractor Packed extraction tower Mixer-settler extractor Pulsed extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled And humidified And dehumidified with decrease in wet bulb temperature At the same relative humidity And dehumidified with increase in wet bulb temperature And humidified And dehumidified with decrease in wet bulb temperature At the same relative humidity And dehumidified with increase in wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS