A&B Test Questions - Florida Rural Water Association

Taste and Odor Removal1. The first warning the supplier has of possible contaminants from across connection are complaints of taste and odors of:A: septic or mustyB: chemical, gasoline, or pesticideC rotten egg or sulfurD; fishy or swampy2: Aeration normally does not provide enough oxidant to attack:A: the taste and odor producing organicsB: organic compounds which are relatively volatileC: reduce forms of ferrous Iron and manganous manganeseD: The reduced inorganic compounds3: Powdered activated carbon slurry tanks are normally loaded at a rate of:A: one pound per gallon of WaterB: one pound per pound of waterC: one pound per 100 pounds of waterD: one pound per million pounds of water4: Which of the following dosages is considered to be a typical or average load rate forcontrol of TOC with potassium permanganate?A: 0.10 to 0.50 mg/lB: 1.0 to 3.0 mg/lC 0.30 to 0.50 mg/lD: 1.3 to 1.7 mg/l5: You have a taste and odor problem which requires you to superchlorinate the water goingthrough your p1ant. How would you dechlorinate this water prior to distributing it?A. use calcium carbonateB. use hydrogen sulfideC: GAC or PACD: use thiosulfate32