Computer · Environmental Engineering
As per standard Indian practices, the design period (in years) for sewage treatment units is generally taken as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 130 - 40 years
- 215 - 20 years✓
- 35 - 10 years
- 440 - 50 years
Correct answer
15 - 20 years
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