Mass Transfer Prandtl number for water at 20°C is about 150 0.7 7 70 150 0.7 7 70 ANSWER DOWNLOAD EXAMIANS APP
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) 100 1000 500 50 100 1000 500 50 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum reflux ratio in a distillation column results in Maximum condenser size Optimum number of trays Minimum reboiler size Minimum number of trays Maximum condenser size Optimum number of trays Minimum reboiler size Minimum number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Fluidised bed drier Truck drier Agitated pan drier Vacuum shelf drier Fluidised bed drier Truck drier Agitated pan drier Vacuum shelf drier ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Less number of trays Low reflux ratio Small cross-section column High reflux ratio Less number of trays Low reflux ratio Small cross-section column High reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) L/(FG.G) (G.a)/FG FG/(G.a) F/(FG.a) L/(FG.G) (G.a)/FG FG/(G.a) F/(FG.a) ANSWER DOWNLOAD EXAMIANS APP