A&B Test Questions - Florida Rural Water Association

Filtration1. Persistent filter blinding may be overcome bya. changing mediab. changing or adjusting coagulantc. improving backwashd. using filter aidsTROUBLESHOOTINGGUIDE SECTION2. Mud ball formation in a filter bed may be caused bya. low surface scour ratesb. improper coagulationc. sludge removal ratesd. rapid mix speedTROUBLESHOOTINGGUIDE SECTION3. Greensand is regenerated withb. more greensandc. ion resind. potassium permanganatee. sand4. As a plant supervisor, two of our most important concerns are:a. Chemical and pathogen free drinking waterb. Clean and inexpensive drinking waterc. To provide consumers with drinking water of suitable quality and sufficientquantityd. Employee harmony and efficiencye. Safe working conditions and pure water.5. If you had to choose a single, easily run test which would give the best indicationOf water quality, you would choose which test?a. Hydrogen sulfideb. Turbidityc. THMd. TDSe. Color35