Waste Water Engineering Mock Test 2

10%

Question 1 of 10

1. Which type of treatment methods are used for municipal and industrial wastewaters?

Overflow

Slow rate

Main stream

Rapid infiltration

Question 1 of 10

Question 2 of 10

2. What is the removal of fine particle sand dissolved solids called?

Deoxidation

Filtration

Disinfection

Sedimentation

Question 2 of 10

Question 3 of 10

3. What does SWOT stand for?

Supercritical Water Oxidation

Storm Water Operation and Treatment

Solid Waste Operation and Treatment

Storm and Wastewater Operation and Treatment

Question 3 of 10

Question 4 of 10

4. What is the aspect ratio of a stirred tank bioreactor?

1-2

2-4

3-5

2-3

Question 4 of 10

Question 5 of 10

5. Which characteristic of water does Calcium contribute to?

Colour

Suspended solids

Hardness

Question 5 of 10

Question 6 of 10

6. The world’s available fresh water supply is about _______ percent of that total water supply.

Question 6 of 10

Question 7 of 10

7. Which blower is used when the system is prone to clogging?

Centrifugal blower

Helical screw blower

Positive displacement blower

Regenerative blower

Question 7 of 10

Question 8 of 10

8. The rate at which oxygen is dissolved into the water from the atmosphere is proportional to the deficit of oxygen in the water.

False

True

Question 8 of 10

Question 9 of 10

9. What is the maximum discharge pressure of a twin lobe blower?

0.5 kg/cm²

1.5 kg/cm²

0.75 kg/cm²

1 kg/cm²

Question 9 of 10

Question 10 of 10

10. Dilution=volume added/total volume. What does total volume indicate?

Volume of the sample excluding blank

Volume of the sample

Volume of the sample including blank

Volume of the blank

Question 10 of 10