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. 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 optimize the rejection values

D. To reduce the energy consumption

2 / 10

2. 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 enhance microbial activity

D. To increase total dissolved solids

3 / 10

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

A. They are easily removed through filtration

B. They include degreasing agents and dyes

C. They are resistant to chemical oxidation

D. They have low vaporization rates

4 / 10

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

A. To separate solid particles from the water

B. To disinfect the wastewater

C. To filter out dissolved organic compounds

D. To remove heavy metals

5 / 10

5. 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. Arsenic at 0.010 mg/L

D. Copper at 1.3 mg/L

6 / 10

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

A. The energy consumption of the system

B. The flow rate of the permeate stream

C. The fraction of the target contaminant removed

D. The pH level of the influent water

7 / 10

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

A. Dissolved organic compounds

B. Microbial colonies

C. Total number of particles

D. Turbidity levels

8 / 10

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

A. To reduce the flow rate of the influent water

B. To separate settled solids from the water

C. To introduce additional chemicals for treatment

D. To increase dissolved oxygen levels

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 have a short survival time outside their hosts

C. They are easily removed through filtration

D. They are resistant to chemical disinfectants

10 / 10

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

A. To inactivate pathogens like Giardia

B. To increase total dissolved solids

C. To enhance the taste and color of water

D. To reduce water recovery rates

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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