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 50 500 1000 100 50 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Equal to Smaller than Either A, or B ; depends on the type of packing Greater than Equal to Smaller than Either A, or B ; depends on the type of packing Greater than 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) FG/(G.a) F/(FG.a) L/(FG.G) (G.a)/FG FG/(G.a) F/(FG.a) L/(FG.G) (G.a)/FG ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ columns are used for liquid dispersion in a continuous gas phase. Sieve plate Packed Pulse Bubble cap Sieve plate Packed Pulse Bubble cap ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are porous None of these Alumina Synthetic zeolites crystals/metal alumino-silicates Silica None of these Alumina Synthetic zeolites crystals/metal alumino-silicates Silica ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P < P P P >>P P = P P < P P P >>P P = P ANSWER DOWNLOAD EXAMIANS APP