Question:
The design factors which are critical for an activated sludge treatment plant are
The design factors which are critical for an activated sludge treatment plant are
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Activated sludge plant design mainly depends on
\[
\boxed{
\text{Hydraulic Loading}
\quad\text{and}\quad
\text{Organic Loading (BOD).}
}
\]
Updated On: Jul 23, 2026
- Maximum and minimum flow rate
- Maximum hourly flow
- Maximum hourly flow and maximum daily organic load
- Maximum hourly flow and minimum daily organic load
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The Correct Option is C
Solution and Explanation
Step 1: Recall the design requirements of an activated sludge plant.
The plant should be capable of handling both hydraulic and organic load fluctuations.
Step 2: Identify the governing design factors. The critical design parameters are - Maximum hourly flow (hydraulic loading) - Maximum daily organic load (BOD loading) Hence, \[ \boxed{\text{Maximum hourly flow and maximum daily organic load}} \] is the correct answer. Therefore, \[ \boxed{(C)} \] is the correct answer.
Step 2: Identify the governing design factors. The critical design parameters are - Maximum hourly flow (hydraulic loading) - Maximum daily organic load (BOD loading) Hence, \[ \boxed{\text{Maximum hourly flow and maximum daily organic load}} \] is the correct answer. Therefore, \[ \boxed{(C)} \] is the correct answer.
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