Mass Transfer Which of the following equipments is not used for gas dispersion? Bubble cap tray towers Agitated vessels Perforated sieve tray towers Spray towers Bubble cap tray towers Agitated vessels Perforated sieve tray towers Spray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Is more accurate than Ponchan-Savarit method Can use any type of units Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Is more accurate than Ponchan-Savarit method Can use any type of units ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Design calculation for multiple component distillation is done by Enthalpy concentration method Tray to tray calculations Mccabe-Thiele method Ponchon-Savarit method Enthalpy concentration method Tray to tray calculations Mccabe-Thiele method Ponchon-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Gas Both A & B Liquid Neither A nor B Gas Both A & B Liquid Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 2000 1500 2500 1000 2000 1500 2500 1000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 5 100 1 10 5 100 1 10 ANSWER DOWNLOAD EXAMIANS APP
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