QUIZ : WATER QUALITY CONTROL

kanwar July 10, 2024No Comments

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. Which of the following is a characteristic of volatile organic chemicals (VOCs)?

A. They have low vaporization rates

B. They are easily removed through filtration

C. They are resistant to chemical oxidation

D. They include degreasing agents and dyes

2 / 10

2. 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

3 / 10

3. Which of the following is an example of a secondary drinking water standard?

A. Copper at 1.3 mg/L

B. Nitrate at 10 mg/L

C. Arsenic at 0.010 mg/L

D. Lead at 0.015 mg/L

4 / 10

4. When conducting jar tests for flocculation studies, what is counted to assess the process?

A. Turbidity levels

B. Dissolved organic compounds

C. Microbial colonies

D. Total number of particles

5 / 10

5. 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

6 / 10

6. In a water treatment plant, what is the primary purpose of a contact chamber for disinfection?

A. To inactivate pathogens like Giardia

B. To enhance the taste and color of water

C. To increase total dissolved solids

D. To reduce water recovery rates

7 / 10

7. What is the primary function of lime in the lime-soda ash softening process?

A. To lower the pH of the water

B. To remove carbonate hardness

C. To increase total dissolved solids

D. To enhance microbial activity

8 / 10

8. What is the primary benefit of using a secondary clarifier in a wastewater treatment plant?

A. To increase dissolved oxygen levels

B. To separate settled solids from the water

C. To introduce additional chemicals for treatment

D. To reduce the flow rate of the influent water

9 / 10

9. Why is it important to consider the recovery rate of a membrane system in water treatment?

A. To optimize the rejection values

B. To minimize the use of chemicals

C. To reduce the energy consumption

D. To maximize the volume of permeate produced

10 / 10

10. What does the rejection value of a membrane filtration system indicate?

A. The flow rate of the permeate stream

B. The fraction of the target contaminant removed

C. The energy consumption of the system

D. The pH level of the influent water

Your score is

The average score is 46%

Author

kanwar

Kanwar Bhan Godara UGC NET JRF Environmental Science
View all posts

Last updated on July 10, 2024

Author

Comments

Leave a Reply Cancel reply