Tag: environmental management

Questions Related to environmental management

Solid waste can be classified into

  1. Household waste

  2. Industrial waste

  3. Biomedical waste

  4. All of the above


Correct Option: D
Explanation:
Solid waste can be classified into different types depending on their source:
a) Household waste is generally classified as municipal waste, 
b) Industrial waste as hazardous waste, 
c) Biomedical waste or hospital waste as infectious waste.

Incineration is performed at

  1. High temperature more than 1000$^o$ C

  2. 273K

  3. Temperature lower than 200$^o$ C

  4. 0$^o$ C


Correct Option: A

________ is considered as a thermal treatment.

  1. Incineration

  2. Denaturation

  3. Recycling

  4. None of the above


Correct Option: A
Explanation:

Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials. Incineration and other high-temperature waste treatment systems are described as "thermal treatment". 

Which of the following substances is formed by the action of decomposers?

  1. Fertilizers

  2. Pesticides

  3. Compost

  4. All of the above


Correct Option: C
Explanation:

When garbage such as leftover food, plant and animals waste is collected in heaps, decomposers such as bacteria, insects such as earthworms and fungi act on it and break it down. This product which is formed by this action of decomposers is called compost. This process is called composting and the compost can be used to increase the plant yield. Thus the correct answer is option C.

How much solid waste is produced by USA urban areas per day?

  1. 8 lac tons

  2. 7 lac tons

  3. 9 lac tons

  4. 2 lac tons


Correct Option: B

Vermi-composting is a natural method of

  1. Producing compost manure

  2. Producing worms

  3. Managing waste it creates

  4. Destroying worms


Correct Option: A

What causes erosion of concrete degradation?

  1. Bacterial corrosion

  2. Viral corrosion

  3. Biological damage

  4. All of above


Correct Option: A

Fume are formed from condensation of

  1. Gaseous matter

  2. liquid particulate

  3. Solid material

  4. Smoke


Correct Option: C

Where does combustion of solid waste take place?

  1. Pyrolysis Reactor

  2. Pyrolysis Chamber

  3. Simple Reactor

  4. Simple chamber


Correct Option: A

What is an Incinerator?

  1. Furnace used for burning solid waste

  2. Furnace used for treating liquid waste

  3. Both a & b

  4. None of the above


Correct Option: A