Florida Advanced Wastewater Review Questions with Correct Answers

Prepare to feed a greater quantity of chemicals - Answer-When operating an advanced treatment facility using chemical treatment for solids removal, you discover high flows entering the system, you should? When using Polymer in a gravity thickening process for sludge, when would more polymer dosages be required? when the: - Answer-Hydraulic loading rate increases When bacteria laden with phosphorus are faced with a parent death, they: - Answer-Release phosphorus from their cell structure in large quantities Head loss in a gravity filter is determined by - Answer-Measuring the water pressure above and below the filter media What dosage of chlorine can be fatal in just a few breaths - Answer-1000 ppm Which statement best describes at which speed a belt filter press should be operated - Answer-The ideal belt speed is the slowest. The operator can maintain without washing out the belt. What steps should the operator take if washing out occurs while operating a belt filter press? - Answer-Lower flow rate, and increase belt speed A problem with plastic pipe laterals resting on the surface in a spray irrigation system is - Answer-The pipe can deteriorate due to exposure to sunlight FDEP approved continuous online analyzing of reclaimed water effluent includes analyzing for: - Answer-pH chlorine residual turbidity Lime is used more frequently for phosphorus removal than aluminum sulfate because aluminum sulfate: - Answer-Is more expensive than lime Preventative maintenance of electrical motors includes - Answer-Keeping the motor clean of dust dirt and moisture What process control adjustment should be made when a 30 minute settleometer test shows fast solids settling leaving and pin point flic? Increase the: - Answer-WAS rate According to chapter 62-600 FAC domestic wastewater facilities, the basic disinfection requirement using chlorine is a: - Answer-0.5 mg/L minimum total chlorine after 15 minutes contact time at peak hourly flow.