Posted inQuiz QUIZ : WATER QUALITY CONTROL Posted by kanwar July 10, 2024No Comments 50 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. What does the rejection value of a membrane filtration system indicate? A. The pH level of the influent water B. The fraction of the target contaminant removed C. The flow rate of the permeate stream D. The energy consumption of the system 2 / 10 2. Why is it important to consider the recovery rate of a membrane system in water treatment? A. To maximize the volume of permeate produced B. To minimize the use of chemicals C. To reduce the energy consumption D. To optimize the rejection values 3 / 10 3. When conducting jar tests for flocculation studies, what is counted to assess the process? A. Microbial colonies B. Dissolved organic compounds C. Total number of particles D. Turbidity levels 4 / 10 4. 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 include degreasing agents and dyes D. They have low vaporization rates 5 / 10 5. What is the primary function of lime in the lime-soda ash softening process? A. To increase total dissolved solids B. To remove carbonate hardness C. To enhance microbial activity D. To lower the pH of the water 6 / 10 6. What is the primary benefit of using a secondary clarifier in a wastewater treatment plant? A. To increase dissolved oxygen levels B. To introduce additional chemicals for treatment C. To reduce the flow rate of the influent water D. To separate settled solids from the water 7 / 10 7. Why is the detection of pathogens like Giardia and Cryptosporidium challenging in water testing? A. They have a short survival time outside their hosts B. They are resistant to chemical disinfectants C. They do not occur in water sources D. They are easily removed through filtration 8 / 10 8. 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 inactivate pathogens like Giardia C. To increase total dissolved solids D. To reduce water recovery rates 9 / 10 9. Which of the following is an example of a secondary drinking water standard? A. Lead at 0.015 mg/L B. Nitrate at 10 mg/L C. Copper at 1.3 mg/L D. Arsenic at 0.010 mg/L 10 / 10 10. 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 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