51. The value of L/mG ratio for economical absorption operation ranges from
52. Swenson-Walker crystalliser is a __________ unit
53. Steam distillation is used to
54. For water-ethanol system, the minimum reflux ratio
55. At what value of reflux ratio, number of theoretical plates in a distillation column is minimum?
56. Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for
57. Steam distillation is used to separate
58. According to Chilton-Colburn analogy for mass transfer, $${{\text{N}}_{{\text{St}}}}.{{\text{N}}_{{\text{Sc}}}}^{\frac{2}{3}}$$ is equal to
59. The percentage humidity is less than the relative humidity only at __________ percent humidity.
60. Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled
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