Waste Water Engineering Mock Test 1

10%

Question 1 of 10

1. Which of the following factors mentioned below marks essential for planning sewer systems for a community?

Wastewater flow

Usage pattern

Location

Terrain

Question 1 of 10

Question 2 of 10

2. In partial systems, there is no over load on the treatment plants.

True

False

Question 2 of 10

Question 3 of 10

3. Which formula is used to calculate the head for centrifugal pumps?

H=P(ft)X144/Specific gravity

H=P(ft)X2.31/Specific gravity

H=P(PSIG)X144/Specific gravity

H=P(PSIG)X2.31/Specific gravity

Question 3 of 10

Question 4 of 10

4. What is the function of a butterfly valve?

On/ off control

Pressure control

Hydraulic control

Flow regulation

Question 4 of 10

Question 5 of 10

5. Which of the following conditions is not suitable for the disposal of excreta or sewage?

It does not give odour nuisance

It is not exposed to the atmosphere

It should be accessible for children

The waste does not pollute the ground surface

Question 5 of 10

Question 6 of 10

6. What are the pumps that operate by alternately filling a cavity and then displacing a given volume of liquid called?

Centrifugal pump

Roto-dynamic pump

Rotating pump

Positive displacement pump

Question 6 of 10

Question 7 of 10

7. Which type of impeller is usually preferred when handling liquids with solids?

Open impeller

Single suction impeller

Closed impeller

Double suction impeller

Question 7 of 10

Question 8 of 10

8. Which of the following is an advantage of the conservancy system over water carriage system?

Compact house design

Labour force

Water consumption

Spread of epidemic

Question 8 of 10

Question 9 of 10

9. The process that involves connecting pipelines and sewer appurtenances to transport waste to sewage treatment centres is called?

Pipelines construction

Sewer construction

Connecting pipelines

Sewage construction

Question 9 of 10

Question 10 of 10

10. Poppet valves are used in piston engines.

True

False

Question 10 of 10