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Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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QUESTION 6 In rotatory biological contractors, microorganisms take oxygen from: O Environment when the disc is outside the water O Aerated wastewater O Diffused aerator Surface aerator QUESTION 7 If excess nitrogen and phosphorus are disposed as effluent in receiving water body, this may cause. Algal growth Hardness O Increase of pH O Acidity QUESTION 8 Advanced wastewater treatment is provided to remove О сOD Solids Nutrients BOD
Transcribed Image Text:QUESTION 6 In rotatory biological contractors, microorganisms take oxygen from: O Environment when the disc is outside the water O Aerated wastewater O Diffused aerator Surface aerator QUESTION 7 If excess nitrogen and phosphorus are disposed as effluent in receiving water body, this may cause. Algal growth Hardness O Increase of pH O Acidity QUESTION 8 Advanced wastewater treatment is provided to remove О сOD Solids Nutrients BOD
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