【Learn Ethylene Together】Five questions per day to easily learn about ethylene 32

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【Learn Ethylene Together】Five questions per day to easily learn about ethylene. 32 6: When flooding occurs, adjustments should be made appropriately; fine tweaks can be made once the tower reaches a new equilibrium. ( ) a. Increase the heating amount or reduce the feed rate b. Reduce the heating amount or reduce the feed rate c. Reduce the heating amount or increase the reflux. 7. For a refrigeration compressor, the suction temperature at a certain stage is of utmost importance, and adjustment is often achieved through . （ ）a、Minimum return operation b、Spraying operation c、Discharge operation 8、Ethane cracking uses all of the above. ( ) a. Gas-phase feeding method b. Liquid-phase feeding method 9. When switching the lubricating oil filter, attention should be paid to ( ). A. Fill the spare filter with fluid and release air from it. B. Switch the six-way valve quickly to prevent too rapid a drop in pressure due to an excessively small valve seat area. C. All oil from the spare filter should be drained. D. Rotate the handle by 180 degrees. Answer: 10. The gas-liquid equilibrium constant for ideal gases and liquids that form ideal solutions is a function of . ( ) a. Temperature b. Pressure c. Temperature and pressure d. Temperature, pressure, and composition. 6. When flooding occurs, adjustments should be made appropriately, and fine tweaks should be made after the tower reaches a new equilibrium. (b) a. Increase the heating amount or reduce the feed rate; b. Reduce the heating amount or reduce the feed rate; c. Reduce the heating amount or increase the reflux. 7. For a refrigeration compressor, the suction temperature at a certain stage is of utmost importance, and adjustment is often achieved through … (b) a. Minimum return operation b. Spraying operation c. Discharge operation 8. Ethane cracking uses all of the above. (a) a. Gas-phase feeding method b. Liquid-phase feeding method 9. When switching the lubricating oil filter, attention should be paid to (　　). A. Fill the spare filter with fluid and release air from it. B. Switch the six-way valve quickly to avoid a rapid drop in pressure caused by an overly small valve core area. C. The oil in the spare filter should be completely drained. D. Rotate the handle by 180 degrees. Answer: A. 10. The gas-liquid equilibrium constant for ideal gases and liquids that form an ideal solution is a function of . (c) a. Temperature b. Pressure c. Temperature and pressure d. Temperature, pressure, and composition