- Mass Transfer - Section 1
- Mass Transfer - Section 2
- Mass Transfer - Section 3
- Mass Transfer - Section 4
- Mass Transfer - Section 5
- Mass Transfer - Section 6
- Mass Transfer - Section 7
- Mass Transfer - Section 8
- Mass Transfer - Section 9
- Mass Transfer - Section 10
- Mass Transfer - Section 11
- Mass Transfer - Section 12
- Mass Transfer - Section 13
- Mass Transfer - Section 14


Mass Transfer - Engineering
Q1: HETP is numerically equal to HTU, only when the operating lineA lies below the equilibrium line.
B lies above the equilibrium line.
C and equilibrium lines are parallel.
D is far from the equilibrium line.
ANS:C - and equilibrium lines are parallel. The Height Equivalent to a Theoretical Plate (HETP) and the Height of a Theoretical Unit (HTU) are parameters used to quantify the efficiency of a distillation column. They are measures of the height of packing or the length of a theoretical plate required to achieve a certain degree of separation. HETP is the physical height of packing material (or theoretical plate) required to achieve the same separation efficiency as one theoretical plate. HTU, on the other hand, is the theoretical height of packing material (or theoretical plate) required to achieve the same separation efficiency as one theoretical plate. When HETP is numerically equal to HTU, it implies that the physical and theoretical heights of packing material (or theoretical plates) are the same, indicating a certain level of efficiency in the column. However, this condition is generally true only under specific circumstances, which are:
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