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Sewerage and Sewage Treatment MCQs Civil

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1. What is the primary purpose of a sewage treatment plant?




2. Which of the following is a common method for primary treatment of sewage?




3. The process of breaking down organic matter in sewage by microorganisms in the absence of oxygen is called:




4. Which unit process in sewage treatment is mainly responsible for the removal of dissolved organic matter?




5. What is the function of a grit chamber in sewage treatment?




6. In which treatment stage is sludge thickening usually carried out?




7. Activated sludge process is an example of:




8. Which of the following is commonly used for disinfection of treated sewage?




9. The biological oxygen demand (BOD) of sewage indicates:




10. Tertiary treatment in sewage treatment is mainly aimed at:




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