Mass Transfer Priming in a distillation column Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration Reduces the overall pressure drop Results from very low gas velocity Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration Reduces the overall pressure drop Results from very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative saturation of an unsaturated mixture of gas and vapor is independent of the None of these Temperature of the mixture Nature of the vapor Composition of the mixture None of these Temperature of the mixture Nature of the vapor Composition of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Decreases Remains unaffected Increases Passes through a maximum Decreases Remains unaffected Increases Passes through a maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which is the controlling factor for a drum drier? Heat transfer Diffusion Neither A nor B Both A & B Heat transfer Diffusion Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at constant temperature __________ the total pressure. Decreases with increase in None of these Increases with increase in Is independent of Decreases with increase in None of these Increases with increase in Is independent of ANSWER DOWNLOAD EXAMIANS APP
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