Physics · Environmental Engineering
Consider the following statements regarding Dissolved Oxygen (DO) in water systems: i. The quality of raw water or treated wastewater is often assessed on the basis of DO. ii. The Biochemical Oxygen Demand (BOD) test is fundamentally based on the determination of DO depletion. iii. Determination of DO helps in controlling corrosion in boiler feed water systems. Which of the above statements are correct?
- 1i, ii, and iii✓
- 2Only i and iii
- 3Only ii and iii
- 4Only i and ii
Correct answer
i, ii, and iii
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