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Pick out the wrong statement. | |
A. | In the McCabe-Thiele diagram for binary distillation, vertical feed line represents saturated liquid feed and horizontal feed line represents saturated vapour feed. [Wrong Answer] |
B. | In small columns, local efficiency is larger than Murphree efficiency; in large columns local efficiency is smaller than Murphree efficiency. [Wrong Answer] |
C. | For Laminar flow over a plate of length L, the local mass transfer co-efficient at a distance L from the leading edge is 1.5 x 10-2m/s. Then the average mass transfer co-efficient for the plate is 2 x 10-2m/s. [Correct Answer] |
D. | The concentration and hydrodynamic boundary layers over a flat plate are of equal thickness, if Schmidt number is equal to unity. [Wrong Answer] |