Posted inQuiz QUIZ : WATER QUALITY CONTROL Posted by kanwar July 10, 2024No Comments 47 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. When conducting jar tests for flocculation studies, what is counted to assess the process? A. Microbial colonies B. Turbidity levels C. Dissolved organic compounds D. Total number of particles 2 / 10 2. Why is the detection of pathogens like Giardia and Cryptosporidium challenging in water testing? A. They do not occur in water sources B. They have a short survival time outside their hosts C. They are resistant to chemical disinfectants D. They are easily removed through filtration 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 reduce the energy consumption C. To maximize the volume of permeate produced D. To optimize the rejection values 4 / 10 4. What is the primary function of lime in the lime-soda ash softening process? A. To lower the pH of the water B. To increase total dissolved solids C. To remove carbonate hardness D. To enhance microbial activity 5 / 10 5. What does the rejection value of a membrane filtration system indicate? A. The flow rate of the permeate stream B. The pH level of the influent water C. The energy consumption of the system D. The fraction of the target contaminant removed 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 remove heavy metals C. To disinfect the wastewater D. To separate solid particles from the water 7 / 10 7. In a water treatment plant, what is the primary purpose of a contact chamber for disinfection? A. To reduce water recovery rates B. To enhance the taste and color of water C. To inactivate pathogens like Giardia D. To increase total dissolved solids 8 / 10 8. Which of the following is an example of a secondary drinking water standard? A. Arsenic at 0.010 mg/L B. Copper at 1.3 mg/L C. Nitrate at 10 mg/L D. Lead at 0.015 mg/L 9 / 10 9. Which of the following is a characteristic of volatile organic chemicals (VOCs)? A. They include degreasing agents and dyes B. They have low vaporization rates C. They are resistant to chemical oxidation D. They are easily removed through filtration 10 / 10 10. What is the primary benefit of using a secondary clarifier in a wastewater treatment plant? A. To introduce additional chemicals for treatment B. To separate settled solids from the water C. To increase dissolved oxygen levels D. To reduce the flow rate of the influent water Your score isThe average score is 45% 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