Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Parallel Neither A nor B Both A & B Straight Parallel Neither A nor B Both A & B Straight ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Increase Remain unaffected Decrease or increase ; depends on the type of liquid Decrease Increase Remain unaffected Decrease or increase ; depends on the type of liquid Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetic acid will be most economically separated from a dilute solution of acetic acid in water by Evaporation Continuous distillation Absorption Solvent extraction Evaporation Continuous distillation Absorption Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Lower than Higher than Same as Either same or higher than Lower than Higher than Same as Either same or higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit operation involved in the prilling of urea is Crystallisation Both B and C Evaporation Drying Crystallisation Both B and C Evaporation Drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. Dry bulb None of these Dew point Wet bulb Dry bulb None of these Dew point Wet bulb ANSWER DOWNLOAD EXAMIANS APP