NEET Botany Sewage Treatment MCQ Question
If a sewage treatment plant processes 2 million gallons of wastewater per day, and the primary treatment removes 40% of the solids, how many gallons of effluent proceed to the secondary treatment each day?
2 million gallons
800,000 gallons
5 million gallons
500,000 gallons
Correct Answer
Detailed Explanation
The primary treatment removes 40% of solids, leaving 60% of the effluent to proceed to secondary treatment. 60% of 2 million gallons equals 1.2 million gallons.
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