31. Which of the following parameters remains constant during chemical dehumidification?
32. Which of the following is not a continuous drier?
33. As the reflux ratio increases, the slope of the operating line for rectifying section
34. Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the
35. When a multistage tray tower uses a minimum reflux ratio, it implies
36. In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the
37. Which of the following operations does not involve leaching?
38. Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as
39. Which of the following is the most commonly used leaching solvent in vegetable oil industry?
40. Low viscosity absorbent is preferred for reasons of
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