Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 600 1 0.24 3.97 600 1 0.24 3.97 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 1500 1000 2500 2000 1500 1000 2500 2000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Hypersorption refers to a __________ process. Moving bed absorption Moving bed adsorption Fixed bed absorption Fixed bed adsorption Moving bed absorption Moving bed adsorption Fixed bed absorption Fixed bed adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Decreases Increases Remains unchanged May increase or decrease, depends on the system Decreases Increases Remains unchanged May increase or decrease, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 18.7 20 21.7 27.3 18.7 20 21.7 27.3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Swenson-Walker crystalliser is a __________ unit Cooling (adiabatic)-cum-evaporation Batch Semi-batch Continuous Cooling (adiabatic)-cum-evaporation Batch Semi-batch Continuous ANSWER DOWNLOAD EXAMIANS APP
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