Mass Transfer Make up water is required in a cooling tower to replace the water lost by Evaporation Blowdown and leakage Drift All of these Evaporation Blowdown and leakage Drift All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Liquid side Interfacial Both liquid and gas side Gas side Liquid side Interfacial Both liquid and gas side Gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. Bound Free Unbound Equilibrium Bound Free Unbound Equilibrium ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Batch tray dryers suffers from the disadvantage of High labour cost & low heat economy Non-uniform & low production rate High maintenance cost All of the listed here High labour cost & low heat economy Non-uniform & low production rate High maintenance cost All of the listed here 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) FG/(G.a) F/(FG.a) (G.a)/FG L/(FG.G) FG/(G.a) F/(FG.a) (G.a)/FG ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Very efficient operation Thermal decomposition of bottoms Erosion of the tower Increased relative volatility Very efficient operation Thermal decomposition of bottoms Erosion of the tower Increased relative volatility ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS