Water Treatment Operator Certification Tests complete compilation Bundle

What is the methane content in a properly operating anaerobic digester? Correct Answer: 65 to 70% by volume What will the addition of chlorine gas do to the pH of wastewater? Correct Answer: decrease the pH What is the purpose of a Parshall Flume? Correct Answer: Measure the flow rate Wh...

Whats a rapid method of estimating total dissolved content of a water supply? Correct Answer: Specific conductance Waterfall aeration devices may cause what type of problems? Correct Answer: Encourage biological growth If a person is poisoned by inhaling fluoride what is the first symptom? C...

Investigate immediately. Correct Answer: If a consumer complains about the drinking water characteristics, the operator should record the complaint and Operating ratio Correct Answer: What term is used when a water utility divides its total operating expenses into the total revenue? Daily Co...

What is a pathogen? Correct Answer: Disease-causing microorganisms. What is the impact of algae to water quality? Correct Answer: Taste and odor problems. What is the concentration of chlorine gas? Correct Answer: 100%. Which of the following is not used to mix coagulants? Correct Answer...

What are the main steps during the Hydrologic cycle? Correct Answer: 1. Evaporation 2. Condensation 3. Transportation 4. Transpiration 5. Precipitation 6. Runoff Evaporation Correct Answer: Defined as: Water is transferred from earths surface to atmosphere. -80% occurs from oceans -Evap...

A continuously flowing watercourse Correct Answer: Perennial Stream Algae causes PH to ....... at night Correct Answer: Decrease What contributes to creation of algae blooms Correct Answer: Increased nutrients Iron is found mostly in what sources of water Correct Answer: Groundwater ...

b) Kilopascals Correct Answer: What units are used to measure water pressure? a) Kilowatts b) Kilopascals c) Horsepower d) Head units a) Exhaust fan Correct Answer: Which of the following is NOT an example of PPE (Personal Protective Equipment)? a) Exhaust fan b) SCBA c) Face shield ...

1 mg/l is the same as 1 part per billion (ppb) True or False Correct Answer: False (v.1 pg 468) A SCADA system is capable of monitoring and controlling equipment from a remote location True or False Correct Answer: True (v.2 pg 627) A Discharge Monitoring Report is typically submitted...

In an electrical circuit, the grounding wire is indicated by which color? Correct Answer: Green According to the Ohms Law, which electrical unit measures pressure? Correct Answer: Volts According to the Ohms Law, which electrical unit measures resistance? Correct Answer: Ohms According t...

The Treatment Plant Operator As an operator, you are responsible to your employer for maintaining an economical and efficient operating facility. T or F Correct Answer: True An operator has an obligation to the great numbers of people who rely on downstream water supplies and are totally dep...

Heterotrophic Correct Answer: uses organic compounds (BOD) for their carbon source Autotrophic Correct Answer: • use CO2 as their carbon source • Makes own food • nitrifiers • Use alkalinity as carbon source • Convert ammonia to nitrite and nitrate • Redox potential of +200 ...

Clean Water Act Correct Answer: 1977 primary legislation concerning water pollution and its regulation. It establishes the NPDES permit system that prohibits point sources from discharging pollutants into waters of the United States. EPA Correct Answer: Environmental Protection Agency is an age...