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) 1000 50 500 100 1000 50 500 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, Use steam distillation Use molecular distillation An azeotrope may be formed during distillation Use high pressure distillation Use steam distillation Use molecular distillation An azeotrope may be formed during distillation Use high pressure distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Absorption Distillation Liquid extraction Evaporation Absorption Distillation Liquid extraction Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? None of these Partial pressure of vapour Dry bulb temperature Wet bulb temperature None of these Partial pressure of vapour Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is None of these Spray chamber Induced draft cooling tower Natural draft cooling tower None of these Spray chamber Induced draft cooling tower Natural draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.079 0.122 0.048 0.152 0.079 0.122 0.048 0.152 ANSWER DOWNLOAD EXAMIANS APP