Mass Transfer A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. 30-40 90-100 44119 70-80 30-40 90-100 44119 70-80 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When a multistage tray tower uses a minimum reflux ratio, it implies Infinite trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Minimum trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Infinite trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Minimum trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Kinematic viscosity Both Momentum flux & Kinematic viscosity Momentum flux Thermal diffusivity Kinematic viscosity Both Momentum flux & Kinematic viscosity Momentum flux Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Pulsed extractor Centrifugal extractor Mixer-settler extractor Packed extraction tower Pulsed extractor Centrifugal extractor Mixer-settler extractor Packed extraction tower 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 1000 2000 2500 1500 1000 2000 2500 1500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Slightly concave downward Slightly concave upward None of these Straight line Slightly concave downward Slightly concave upward None of these Straight line ANSWER DOWNLOAD EXAMIANS APP
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