Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 600 1 0.24 3.97 600 1 0.24 3.97 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 27.3 21.7 18.7 20 27.3 21.7 18.7 20 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Sieve-plate column Bubble-cap column Packed column (stacked) Randomly packed column Sieve-plate column Bubble-cap column Packed column (stacked) Randomly packed column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect The fraction vaporised but not the product composition The product composition but not the fraction vaporised Neither the product composition nor the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition The product composition but not the fraction vaporised Neither the product composition nor the fraction vaporised The product composition as well as the fraction vaporised ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In which of the following unit operations, the selectivity is an important parameter? Absorption Solvent extraction Distillation None of these Absorption Solvent extraction Distillation None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. Operating Total Minimum Maximum permissible Operating Total Minimum Maximum permissible ANSWER DOWNLOAD EXAMIANS APP
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