Mass Transfer Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. Free Critical Bound Unbound Free Critical Bound Unbound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter > 8:1 < 6:1 > 4 :1 < 8 : 1 > 8:1 < 6:1 > 4 :1 < 8 : 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Better flow characteristics All of these Rapid absorption rates Low pumping pressure drop Better flow characteristics All of these Rapid absorption rates Low pumping pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Bubble plate column Packed column (with stacked packing) Packed column (with dumped packing) Pulse column Bubble plate column Packed column (with stacked packing) Packed column (with dumped packing) Pulse column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Both A & B Unsaturated surface Constant rate Neither A nor B Both A & B Unsaturated surface Constant rate Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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