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【Daily Question】Wastewater Knowledge-111-July 13 (2 points for answering, 4 points for a correct answer)

2015-07-13View Original

Thread Content

This post was last edited by zhaolijun on 2015-7-25 at 15:00. Multiple-choice question: When the bubble size in forced aeration is ( ), the contact area between gas and liquid increases, which facilitates oxygen transfer. A. Decrease B. Increase C. 2mm D. 4mm Answer: A. Decrease
Reply #22015-07-13
When the bubble size in forced aeration is (A), the contact area between gas and liquid increases, which facilitates oxygen transfer. Answer: A. Decrease
Reply #32015-07-13
When the bubble size in forced aeration is (A), the contact area between gas and liquid increases, thereby facilitating oxygen transfer.
Reply #42015-07-14
When the bubble size in forced aeration is (), the contact area between gas and liquid increases, thereby facilitating oxygen transfer. A. Decrease B. Increase C. 2mmD. 4mm Answer: A
Reply #52015-07-14
When the bubble size in forced aeration is (A), the contact area between gas and liquid increases, which facilitates oxygen transfer. A. Decrease B. Increase C. 2mm D. 4mm
Reply #62015-07-14
At the bubble size (A) of forced aeration, the contact area between gas and liquid increases, thereby facilitating oxygen transfer.

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