Mass Transfer As the reflux ratio decreases, the Number of plates increases Separation becomes more efficient Column diameter increases None of these Number of plates increases Separation becomes more efficient Column diameter increases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Total reflux in a distillation operation requires minimum All of these Reboiler load Condenser load Number of plates All of these Reboiler load Condenser load Number of plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. -25 > 25 25 < 25 -25 > 25 25 < 25 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 2000 2500 1500 1000 2000 2500 1500 1000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Is undesirable All of these 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 Is undesirable All of these 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 Dry bulb temperature of the gas is __________ the wet bulb temperature. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
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