WASTE MANAGEMENT QUIZ 12

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Question 1:

Which of the following substances are produced during incineration of solid waste?

Ash
Carbon dioxide gas
Sulphur dioxide gas
Nitrogen oxides

1,2

1,4

2,3,4

1,2,3,4

Question 2:

Which of the following is a key indicator of the quality combustion in incineration process?

Carbon dioxide content of the flue gas

Carbon monoxide content of the flue gas

Oxygen content of the flue gas

Water content of the flue gas

Question 3:

In which of the following bioremediation plants are used to remove, transfer, stabilize, or destroy contaminants in soil, sediment, or groundwater?

Biotransformation

Phytoremediation

Biomineralization

Mycoremediation

Question 4:

pH and total alkalinity are important parameters that can affect the well-being of activated sludge microorganisms. The optimum pH level for bacterial growth ranges between

1.5 to 5.5

6.5 to 7.5

2.5 to 9.5

3.5 to 8.5

Question 5:

Shredding process reduce overall volume by

30%

40%

10%

90%

WASTE MANAGEMENT QUIZ 12

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Question 5:

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