About water velocity measurement in stream

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Reference no: EM133436424

Question

1. About the municipal sewer system, which of the following statements is correct?

a. Both combined and separate sewers accept stormwater

b. Combined sewers can potentially reduce the cost on wastewater treatment

c. Separate sewers prevent wastewater from bypassing the treatment plant

All (a), (b), and (c) are correct

2. Which of the following statement is Not True about water velocity measurement in a stream?

It is used to compute the stream discharge

It can be done by wading into the stream

Average velocity can be measured at any location in the stream

Velocity decreases from top to bottom in the stream

3. Which of the following is a wastewater preliminary treatment process?

Sedimentation

Screening

Activated sludge

Aeration

4. Which of the following processes is NOT used for drinking water treatment?

Flocculation

Biological Treatment

Disinfection

Sedimentation

5. Which of the following property of lake water does NOT stratify along the lake depth?

Water velocity

Water density

Water temperature

Water heat capacity

Reference no: EM133436424

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