Water treatme Study guides, Class notes & Summaries

Wastewater Treatment Class I Questions and Answers Already Graded A+ (2024/2025) The first step the maintenance staff should take in properly locking and tagging out a piece of equipment is to... a) alert the operator on duty b) turn the equipment off at the motor control center (MCC) c) pull the switch on the electrical panel to "OFF" d) fill out the tags a) alert the operator on duty Always alert the operator on duty before shutting down any equipment so as to prevent the possibility ...

As an operator, you are responsible to your employer for maintaining an economical and efficient operating facility. correct answers TRUE An operator has an obligation to the great numbers of people who rely on down stream water supplies and are totally dependent on the operator's competence and trust worthiness for their welfare correct answers TRUE Today, the natural purification processes in rivers treat all the waste loads and keep rivers clean. correct answers FALSE Operators are ...

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 Class I Questions and Answers Already Graded A+ (2024/2025) The first step the maintenance staff should take in properly locking and tagging out a piece of equipment is to... a) alert the operator on duty b) turn the equipment off at the motor control center (MCC) c) pull the switch on the electrical panel to "OFF" d) fill out the tags a) alert the operator on duty Always alert the operator on duty before shutting down any equipment so as to prevent the possibility ...

Important reasons for adequate treatment of a community's wastewater are correct answers Conseravation of water, reduction of fish kills, protection of public The extent if treatment required for a waste discharge depends on correct answers Water quality standards set for the receiving stream Important steps in wastewater treatment are correct answers Wastewater collection, disinfection, sludge processing and disposal. Essentials parts of the collection system include correct answers M...

TX Class C Wastewater Treatment License Questions and Answers Rated A Preliminary Treatment the 1st stage of sewage treatment where large debris, such as sticks, grit, and rags pas through a screen followed by a grit chamber, where the flow of water is slowed enough to allow for sedimentation. What stage of treatment is grit removal usually accomplished in? preliminary treatment Rotating Biological Contactor a type of biological secondary treatment process How are protozoa (cause ...

WATER TREATMENT GRADE 4 EXAM PREP

Wastewater Treatment Operator Certification Test Questions and Answers Latest 2024/2025 | 100% Correct. The name of the State Agency responsible for enforcing pollution control laws in Texas is – a. Texas Water Development Board b. Texas Water Commission c. Texas Section of EPA d. Texas Commission on Environmental Quality e. Texas Water Resource and Conservation Commission 2. The term pathogenic means – a. Aerobic Bacteria b. Anaerobic Bacteria c. Fecal Matter d. Coliform Bacter...

OPERATION OF WASTEWATER TREATMENT PLANTS (LEVELS 1-2 EXAM PREP)

Operation of Wastewater Treatment Plants (Levels 1-2 Exam Prep) with Complete Solutions Operation of Wastewater Treatment Plants (Levels 1-2 Exam Prep) with Complete Solutions Operation of Wastewater Treatment Plants (Levels 1-2 Exam Prep) with Complete Solutions Operation of Wastewater Treatment Plants (Levels 1-2 Exam Prep) with Complete Solutions An Imhoff cone is used to measure________solids. A. suspended B. colloidal C. volatile D. settleable - ANSWER-D. settleable ...