Mass Transfer Reboiler is considered as one theoretical plate, because Vapour is recycled to the column Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Reboiler itself contains one plate None of these Vapour is recycled to the column Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Reboiler itself contains one plate None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.048 0.152 0.122 0.079 0.048 0.152 0.122 0.079 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Increases Remains unchanged Decreases May increase or decrease, depends on the system Increases Remains unchanged Decreases May increase or decrease, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Slightly concave downward Slightly concave upward Straight line None of these Slightly concave downward Slightly concave upward Straight line None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.0025 0.25 2.5 1.25 0.0025 0.25 2.5 1.25 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 Passes through a maximum Remains unaffected Decreases Increases Passes through a maximum Remains unaffected Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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