Mass Transfer - Study Mode
[#436] Large scale drying of sugar is done in a __________ dryer.
Correct Answer
(C) Rotary
[#437] The individual mass transfer co-efficients (moles/m 2 .s) for absorption of a solute from a gas mixture into a liquid solvent are, K L = 4.5 and K G = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling?
Correct Answer
(B) Gas side
[#438] As the reflux ratio in a distillation coloumn is increased from the minimum, the
Correct Answer
(C) Total cost first decreases and then increases
[#439] As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages
Correct Answer
(B) Decrease
[#440] If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.
Correct Answer
(B) > 100