Which of the following same diameter columns gives lowest pressure drop per unit height ?

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Coffee is prepared from coffee beans by leaching with____________________?

A. Cold water B. Hot water C. Dilute hot caustic solution D. Naphtha...

For water-ethanol system, the minimum reflux ratio_____________________?

A. Is computed from the slope of the upper operating line that is tangent to the equilibrium curve B. Is computed from the intercept of the operating line C. Cannot be computed D. Is the optimum reflux ratio...

For a ternary mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a ____________ of the equilateral triangular co-ordinates?

A. Binary mixture is represented by the apex B. Binary mixture is represented by any point inside C. Ternary mixture is represented by the sides D. Pure component is represented by the apex...

Blowdown in a cooling tower____________________?

A. Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities B. Increases the scale forming tendencies of water C. Is undesirable D. All A., B. & C....

For a binary mixture with low relative volatility________________?

A. Use steam distillation B. Use molecular distillation C. Use high pressure distillation D. An azeotrope may be formed during distillation...