Mass Transfer Back-trapping in a distillation column Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The humid volume may be increased by increasing the Both A & B Neither A nor B Humidity at constant temperature Temperature at constant humidity Both A & B Neither A nor B Humidity at constant temperature Temperature at constant humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding results in Low tray efficiency High gas velocity Good contact between the fluids High tray efficiency Low tray efficiency High gas velocity Good contact between the fluids High tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the Gas film Liquid-gas interface None of these Liquid film Gas film Liquid-gas interface None of these Liquid film 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 Which of the following adsorbant is used in the refinning of sugar? Wood charcoal Silica gel Activated clay Bone charcoal Wood charcoal Silica gel Activated clay Bone charcoal ANSWER DOWNLOAD EXAMIANS APP