Velocity of flow in a sewer must be form ______________ to ?
Correct answer: D. 1 m / sec to 3m/ sec
- A. 4.5 ml sec to 5 m/ sec
- B. 3m / sec to 4m/ sec
- C. 4m / sec to 4.5 ml sec
- D. 1 m / sec to 3m/ sec
Explanation
A sewer is commonly designed for a flow velocity of about 1 to 3 m/s, balancing self-cleansing action against excessive scouring and structural wear. Too little velocity allows solids to settle, while too much can damage the sewer.
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Practise Irrigation and Water Management
262 free Irrigation and Water Management MCQs from Agriculture, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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