EASY
7th CBSE
IMPORTANT
Earn 100

Define the term 'sewerage'.

Important Questions on Wastewater Story

EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 18 - Wastewater Story>STEP IN>Q 4
Why are manholes located at regular intervals along the path of a waste transport system?
EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 18 - Wastewater Story>STEP IN>Q 5
What are the methods used to remove large objects such as pieces of clothes and plastics from waste water? 
EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 18 - Wastewater Story>STEP IN>Q 5
What are the methods used to remove pebbles and sand from waste water.
EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 18 - Wastewater Story>STEP IN>Q 5
What are the methods used to remove sinking solids such as excreta from waste water? 
EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 18 - Wastewater Story>STEP IN>Q 5
What are the methods used to remove floating substances such as oil and grease from waste water? 
EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 18 - Wastewater Story>STEP IN>Q 6
Aeration is the first stage in sewage treatment.
EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 18 - Wastewater Story>STEP IN>Q 6
Biogas is produced from sludge by the action of anaerobic bacteria.
EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 18 - Wastewater Story>STEP IN>Q 6
Aerobic bacteria cannot be used to digest food waste and soap in sewage.