Aeration - Study guides, Class notes & Summaries

TCEQ D Wastewater Exam Questions and Answers Minimum velocity at average flow in a sanitary sewer should be about ____ft/sec? - Answer-2ft/sec What types of pumps are used? - Answer-Centrifugal Lime controls what? - Answer-pH Good house keeping is important for the operators _______ - Answer-Safety F/M ratio formula represented by: - Answer-Volatile, suspended solids, aeration tank (VSSAT) A chlorine leak is detected by_______ - Answer-Vapor 10% ammonia Main purpose of BOD ...

Varieties of grass containing endophyte fungi are an example of: - Answer- Plant resistance. Raking, thatch removal and aeration are examples of: - Answer- Cultural controls. Hand removal, traps, barriers and repellents are examples of: - Answer- Mechanical and physical controls. Example of a turfgrass disease that can be managed with hand removal techniques: - Answer- Slime mold. Turf cannot at the same time benefit from biological control methods and be pest free because: - Answer-...

How long must you keep pesticide records in NYS? correct answer: 3 Years What is the 3 tier system? correct answer: Certified Applicator, Technician, Apprentice EPA correct answer: Environmental Protection Agency NYSDEC correct answer: New York State Department of Environmental Conservation (Lead Agency in NY) ESA correct answer: Endangered Species Act FIFRA correct answer: Federal Insecticide, Fungicide, and Rodenticide Act SARA Title III correct answer: Superfund Amend...

Biochemical Engineering Questions and Answers|Agitation and Aeration - Section 3

Which agency provides standards for the Installation of Sprinkler Systems in Central Service department? - Answer- NFPA (National Fire Protection Association) K-wire is used for which of the following procedures? - Answer- Orthopedic Which of the following is considered a critical device? - Answer- Retractors The final phase of Ethylene oxide sterilization cycle is: - Answer- Aeration Which of the following steam sterilization method uses series of vacuum and pressure pulse to remove...

Commercial Pilot Operations- Aerodynamics & Principles of Flight 100% Correct 4 forces of flight Lift, Weight, Thrust & Drag. Accelerated flight Thrust exceeds Drag. Decelerated flight Drag exceeds Thrust. Lift Provides the upward which sustains the aircraft in flight. It is perpendicular to the relative wind. Lift Equation Coefficient of Lift * Wing Area * Air Density/2 * Velocity Four ways to control lift - Change the shape of the airfoil. - Increase airspeed. - Change the angle of attack...

What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99% (Ans- C) 20 to 50% (v.1 pg 129) What does the "F" in F/M ratio represent? A) The microorganism population in the aeration tank B) The amount of filamentous bacteria in the activated sludge process C) The MLVSS in the aeration tank D) The food for the microorganisms flowing into the aeration tank, in lbs/day (Ans- D) The food for the microorganisms flowing in...

Wastewater Treatment Operator Certification Test #2 with Complete SolutionsWastewater Treatment Operator Certification Test #2 with Complete SolutionsWastewater Treatment Operator Certification Test #2 with Complete SolutionsWastewater Treatment Operator Certification Test #2 with Complete Solutions What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99% - ANSWER-C) 20 to 50% (v.1 pg 129) What does the "F" in F/M ratio ...

what NFPA number is the standard for fire apparatus driver operator professional qualifications correct answers NFPA 1002 a pump that uses double action Pistons of various diameters and strokes are called correct answers positive displacement pumps true or false, positive displacement pumps are self-priming? correct answers true what type of pump are most modern fire department Pumpers equipped with as their main pump correct answers centrifugal pumps which type of pump continues to ...