Advertisements
Advertisements
Question
Three statements are provided here which define the terms –
- sludge
- sewage and
- wastewater.
Pick out the correct definition for each of these terms.
- The settled solids are removed in wastewater treatment with a scraper.
- Water from the kitchen is used for washing dishes.
- Wastewater is released from homes, industries, hospitals and other public buildings.
Advertisements
Solution
- The settled solids that are removed in wastewater treatment with a scraper – sludge
- Water from kitchen used for washing dishes – wastewater
- Wastewater released from homes, industries, hospitals and other public buildings – sewage.
APPEARS IN
RELATED QUESTIONS
Describe the steps involved in getting clarified water from wastewater.
Explain how sludge is treated.
Name two chemicals used to disinfect water.
Explain the function of bar screens in a wastewater treatment plant.
Study the following statements about ozone:
- It is essential for breathing of living organisms.
- It is used to disinfect water.
- It absorbs ultraviolet rays.
- Its proportion in air is about 3%.
Which of these statements are correct?
Which of the following is not a source of waste water?
State whether the following statement is True or False. In case a statement is false, write the correct statement.
Used water is wastewater
State whether the following statement is True or False. In case a statement is false, write the correct statement.
Wastewater could be reused
State whether the following statement is True or False. In case a statement is false, write the correct statement.
Where underground sewerage systems and refuse disposal systems are not available, the high cost on-site sanitation system can be adopted
Describe various steps of cleaning wastewater in a wastewater treatment plant.
