Posted inQuiz QUIZ : WATER QUALITY CONTROL Posted by kanwar July 10, 2024No Comments 40 Water Quality Control Test your knowledge on water quality control! This quiz covers key concepts in water treatment, testing, and regulations to ensure safe drinking water. 1 / 10 1. In a water treatment plant, what is the primary purpose of a contact chamber for disinfection? A. To enhance the taste and color of water B. To increase total dissolved solids C. To inactivate pathogens like Giardia D. To reduce water recovery rates 2 / 10 2. Which of the following is a characteristic of volatile organic chemicals (VOCs)? A. They are resistant to chemical oxidation B. They are easily removed through filtration C. They have low vaporization rates D. They include degreasing agents and dyes 3 / 10 3. Why is it important to consider the recovery rate of a membrane system in water treatment? A. To minimize the use of chemicals B. To optimize the rejection values C. To reduce the energy consumption D. To maximize the volume of permeate produced 4 / 10 4. What is the primary function of lime in the lime-soda ash softening process? A. To increase total dissolved solids B. To lower the pH of the water C. To remove carbonate hardness D. To enhance microbial activity 5 / 10 5. Which of the following is an example of a secondary drinking water standard? A. Copper at 1.3 mg/L B. Arsenic at 0.010 mg/L C. Nitrate at 10 mg/L D. Lead at 0.015 mg/L 6 / 10 6. What is the primary purpose of a primary clarifier in a wastewater treatment plant? A. To filter out dissolved organic compounds B. To disinfect the wastewater C. To remove heavy metals D. To separate solid particles from the water 7 / 10 7. What is the primary benefit of using a secondary clarifier in a wastewater treatment plant? A. To introduce additional chemicals for treatment B. To reduce the flow rate of the influent water C. To increase dissolved oxygen levels D. To separate settled solids from the water 8 / 10 8. When conducting jar tests for flocculation studies, what is counted to assess the process? A. Dissolved organic compounds B. Turbidity levels C. Microbial colonies D. Total number of particles 9 / 10 9. Why is the detection of pathogens like Giardia and Cryptosporidium challenging in water testing? A. They do not occur in water sources B. They are easily removed through filtration C. They are resistant to chemical disinfectants D. They have a short survival time outside their hosts 10 / 10 10. What does the rejection value of a membrane filtration system indicate? A. The fraction of the target contaminant removed B. The pH level of the influent water C. The energy consumption of the system D. The flow rate of the permeate stream Your score isThe average score is 46% 0% Restart quiz Author kanwar Kanwar Bhan Godara UGC NET JRF Environmental Science View all posts kanwar Kanwar Bhan Godara UGC NET JRF Environmental Science View All Posts Post navigation Previous Post Chapman reactions: Ozone Formation and DestructionNext PostCarbon Sequestration: Earth’s CO2 Vacuum Cleaner Explained