Mass Transfer __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. Spray Bubble Packed Tray Spray Bubble Packed Tray 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 On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reboiler load None of these Increased reflux ratio Greater degree of separation with a fixed number of trays Increased reboiler load None of these Increased reflux ratio Greater degree of separation with a fixed number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Increasing the air velocity over the wet surfaces None of these Reducing the humidity of entering air Lowering the barometric pressure Increasing the air velocity over the wet surfaces None of these Reducing the humidity of entering air Lowering the barometric pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles Comprises of thin bed of substances of extended surface having high porosity All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant. Sieve tray column Packed tower Bubble cap column Agitated vessel Sieve tray column Packed tower Bubble cap column Agitated vessel ANSWER DOWNLOAD EXAMIANS APP
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