Advertisements
Advertisements
प्रश्न
State whether the following statement is True or False. In case a statement is false, write the correct statement.
Sewage is a solid waste which causes water pollution and soil pollution
पर्याय
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Sewage is a liquid waste, not a solid garbage and it pollutes the water and soil.
APPEARS IN
संबंधित प्रश्न
Drains get blocked by ______ and ______.
Describe the steps involved in getting clarified water from wastewater.
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?
The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as
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.
Where underground sewerage systems and refuse disposal systems are not available, the high cost on-site sanitation system can be adopted
Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Arrange them in their correct sequence.
- Sludge is scraped out and skimmer removes the floating grease.
- Water is made to settle in a large tank with a slope in the middle.
- Large objects like plastic bags are removed by passing wastewater through bar screens.
- Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater.
- Wastewater enters a grit and sand removal tank.
