Mass Transfer Which is the controlling factor for a drum drier? Diffusion Heat transfer Both A & B Neither A nor B Diffusion Heat transfer Both A & B Neither A nor B 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. Constant rate Unsaturated surface Both A & B Neither A nor B Constant rate Unsaturated surface Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T1.5 T T3 √T T1.5 T T3 √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Remain unaffected Increase Decrease Decrease or increase ; depends on the type of liquid Remain unaffected Increase Decrease Decrease or increase ; depends on the type of liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant molal overflow Total reflux Constant relative volatility All of these Constant molal overflow Total reflux Constant relative volatility All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Never Yes Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Never ANSWER DOWNLOAD EXAMIANS APP