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 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

2 / 10

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

A. The energy consumption of the system

B. The pH level of the influent water

C. The flow rate of the permeate stream

D. The fraction of the target contaminant removed

3 / 10

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

A. They are resistant to chemical disinfectants

B. They do not occur in water sources

C. They are easily removed through filtration

D. They have a short survival time outside their hosts

4 / 10

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

A. Total number of particles

B. Dissolved organic compounds

C. Turbidity levels

D. Microbial colonies

5 / 10

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

A. Arsenic at 0.010 mg/L

B. Nitrate at 10 mg/L

C. Copper at 1.3 mg/L

D. Lead at 0.015 mg/L

6 / 10

6. 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 optimize the rejection values

C. To reduce the energy consumption

D. To maximize the volume of permeate produced

7 / 10

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

A. They have low vaporization rates

B. They include degreasing agents and dyes

C. They are resistant to chemical oxidation

D. They are easily removed through filtration

8 / 10

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

A. To remove heavy metals

B. To separate solid particles from the water

C. To disinfect the wastewater

D. To filter out dissolved organic compounds

9 / 10

9. 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 increase dissolved oxygen levels

C. To introduce additional chemicals for treatment

D. To reduce the flow rate of the influent water

10 / 10

10. 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 increase total dissolved solids

D. To inactivate pathogens like Giardia

Your score is

The average score is 54%

Author

kanwar

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

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