Question 6019 of 223 · California Water Treatment Operator Exam

A plant treats 2 MGD with a chlorine dose of 2.5 mg/L using 12.5 percent hypochlorite weighing 10 lb/gal. How many gallons per day of solution are needed?

Exactly one answer is correct.

Show solution

Correct answer to question 6019

  • D: 33.4 gal/day

Explanation

Chlorine = 2 x 2.5 x 8.34 = 41.7 lb/day. Gallons = 41.7 / (0.125 x 10) = 33.4. Forgetting the density gives 334 (41.7 / 0.125).

Next to question ›