WASTE MANAGEMENT QUIZ 11

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Question 1:

Moisture content is a critical determinant in the economic feasibility of waste treatment by incineration. It is defined as 

Question 2:

Which of the following is not an example of flammable waste?

Question 3:

Grit is removed from wastewater to prevent damage to pumps and to prevent their accumulation in sludge digester. Grit includes

  1. Sand
  2. Gravel
  3. Cinder
  4. Heavy solid material

Question 4:

The toxicity of a waste is determined by the

Question 5:

Which of the following methods are used in the tertiary treatment of waste water?

  1. Biological method
  2. Mechanical method
  3. Physicochemical method
  4. Physical method
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