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 Passes through a maximum Remains unaffected Increases Decreases Passes through a maximum Remains unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Used for multicomponent systems like crude refining Same as differential distillation Same as simple distillation Most useful for handling binary systems Used for multicomponent systems like crude refining Same as differential distillation Same as simple distillation Most useful for handling binary systems 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 50 500 100 1000 50 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed q = 1 q < 1 q > 1 q = 0 q = 1 q < 1 q > 1 q = 0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bollman extractor Employs only counter-current extraction Is a centrifugal extractor Is a static bed leaching equipment Is used for extraction of oil from oilseed Employs only counter-current extraction Is a centrifugal extractor Is a static bed leaching equipment Is used for extraction of oil from oilseed ANSWER DOWNLOAD EXAMIANS APP