Biology
Name the following :
(a) The solid precipitated material produced during secondary treatment of the effluent, carried out in the Effluent Treatment Plants.
(b) The two types of devices commonly used for removing the particulate air pollutants.
(c) The process of disposal of waste by burning.
(d) The solid waste residue left after burning.
(e) The category of wastes given out from homes.
Waste Generation & Management
76 Likes
Answer
(a) Sludge
(b) Scrubbers, Electrostatic precipitators
(c) Incineration
(d) Ash
(e) Domestic wastes
Answered By
54 Likes
Related Questions
Assertion (A): Electronic wastes do not contain any harmful substances or valuable materials.
Reason (R): Computers, mobile phones, batteries, etc. contain lead, cadmium, silver and copper.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): Electrostatic precipitators remove gaseous air pollutants by attracting them to electrically charged plates.
Reason (R): The electrostatic precipitators can remove upto 90% of particulate matter from thermal plants.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Correct the following statements by changing the first/last word only.
(a) Some of the electronic wastes may contain valuable metals such as potassium.
(b) Sludge is the gaseous waste of cement industry.
(c) Drains are used to remove gaseous and particulate air pollutants.
(d) Industrial liquid waste is termed as sewage.
(e) Rags are the plant residue left after extracting the sugarcane juice.
Match the items in Column I with as many items as possible in Column II.
Column I Column II Cow dung Sugarcane Bagasse Manure Okhla khad Food wastes Lead and cadmium e-wastes