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

A. The fraction of the target contaminant removed

B. The flow rate of the permeate stream

C. The pH level of the influent water

D. The energy consumption of the system

2 / 10

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

A. They are easily removed through filtration

B. They are resistant to chemical oxidation

C. They have low vaporization rates

D. They include degreasing agents and dyes

3 / 10

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

A. To separate settled solids from the water

B. To reduce the flow rate of the influent water

C. To increase dissolved oxygen levels

D. To introduce additional chemicals for treatment

4 / 10

4. What is the primary purpose of a primary clarifier in a wastewater treatment plant?

A. To disinfect the wastewater

B. To separate solid particles from the water

C. To filter out dissolved organic compounds

D. To remove heavy metals

5 / 10

5. 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

6 / 10

6. 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

7 / 10

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

A. Turbidity levels

B. Total number of particles

C. Microbial colonies

D. Dissolved organic compounds

8 / 10

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

A. To inactivate pathogens like Giardia

B. To reduce water recovery rates

C. To enhance the taste and color of water

D. To increase total dissolved solids

9 / 10

9. Why is the detection of pathogens like Giardia and Cryptosporidium challenging in water testing?

A. They are easily removed through filtration

B. They have a short survival time outside their hosts

C. They are resistant to chemical disinfectants

D. They do not occur in water sources

10 / 10

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

A. To increase total dissolved solids

B. To enhance microbial activity

C. To lower the pH of the water

D. To remove carbonate hardness

Your score is

The average score is 46%

Author

kanwar

Kanwar Bhan Godara UGC NET JRF Environmental Science
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Last updated on July 10, 2024

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