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Worksheets

Waste Water Management

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

The ________system transport the sewage from homes to the treatment plants.

a)

sewage

b)

sewage pipes

c)

Smog

d)

rainwater

2.

Name two different methods to make water fit for drinking.

a)

Distillation

b)

Filtrtration

c)

Filtration

d)

Distiilation

3.

what is the process of sewage treatment in order?

a)

screening, primary treatment, disinfection, secondary treatment

b)

screening,primary treatment,secondary treatment,disinfection

c)

disinfection, primary treatment, secondary treatment, screening

d)

primary treatment, secondary treatment, screening, disinfection

4.

What are the settling tanks in the screening process called?

(a)  

5.

what is the sedimentation tank in the primary treatment called?

a)

clearer

b)

purifier

c)

clarifier

d)

clrerifire

6.

name two alternate methods for sewage disposal.

a)

vermicomposting toilet

b)

septic tank

c)

sewage management

d)

sewage treatment

7.

Is sewage a solid waste that causes water pollution and soil pollution? (if no correct the statement)

4 lines
8.

Open drains cause (a)   conditions.

9.

What is the definition of sludge?

a)

liquid matter produced by sewage treatment

b)

solid matter produced by sewage treatment

c)

sewage treatment plant

d)

Proper arrangement of drainage

10.

Name two inorganic impurities present in sewage.

a)

Vegetable peels

b)

Plastic

c)

Metal

d)

Grass