In a multiple effect evaporator system having ‘n’ effects, the amount of water evaporated per unit surface area in approximately equal to _____________ times that in a single effect?

Related Mcqs:

1.2 to 3.8 cms is the value of the ______________________?

A. Downcomer liquid seal in case of a balanced tray design B. Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm) C. Skirt clearance for bubble caps D. All A., B. and C....

At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure____________________?

A. Increases B. Decreases C. Remain same D. May increase or decrease depending upon the solubility of the gas in the liquid...

Optimum reflux ratio in a continuous distillation column is determined by the__________________?

A. Maximum permissible vapour velocity B. Flooding limit of the column C. Total cost consideration (fixed cost of the column plus the cooling water & steam cost) D. None of these...

With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will________________?

A. Increase B. Decrease C. Remain unaffected D. Increase or decrease depending on the nature of the dust...

Vapor velocity in a distillation column for non-foaming mixture is in the range of ______________ times the flooding velocity?

A. 0.1 to 0.3 B. 0.6 to 0.7 C. 0.85 to 0.95 D. 1.5 to 2...