Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Relative humidity Wet bulb temperature None of these Partial pressure of vapour Relative humidity Wet bulb temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Free flowing granular materials can be best dried in a __________ drier. Rotary Freeze Cylinder Drun Rotary Freeze Cylinder Drun ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Unidirectional diffusion from gas to liquid phase Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from gas to liquid phase Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Either A or B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Remains unaffected Increases Decreases linearly Decreases Remains unaffected Increases Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 10 8 6 12 10 8 6 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Rotary dryer Rotating disc contactor Mechanical draft cooling tower Multiple effect evaporator Rotary dryer Rotating disc contactor Mechanical draft cooling tower Multiple effect evaporator ANSWER DOWNLOAD EXAMIANS APP
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