WASTEWATER PRACTICE EXAM 2023 QUESTIONS AND ANSWERS / WASTEWATER TREATMENT OPERATOR CERTIFICATION TEST #1/2/3/4// WASTEWATER TREATMENT OPERATOR CERTIFICATION TEST #2 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+/ WATER TREATMENT OPERATOR CERTIFICATION STUDY GUIDE (AWWA) 2023 QUESTIONS AND ANSWERS...
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What is the methane content in a properly operating anaerobic digester? - CORRECT ANS 65 to 70% by volume What will the addition of chlorine gas do to the pH of wastewater? - CORRECT ANS decrease the pH What is the purpose of a Parshall Flume? - CORRECT ANS Measure the flow rate Wh...
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Add to cartWhat is the methane content in a properly operating anaerobic digester? - CORRECT ANS 65 to 70% by volume What will the addition of chlorine gas do to the pH of wastewater? - CORRECT ANS decrease the pH What is the purpose of a Parshall Flume? - CORRECT ANS Measure the flow rate Wh...
Investigate immediately. - CORRECT ANS If a consumer complains about the drinking water characteristics, the operator should record the complaint and Operating ratio - CORRECT ANS What term is used when a water utility divides its total operating expenses into the total revenue? Daily - ...
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Add to cartInvestigate immediately. - CORRECT ANS If a consumer complains about the drinking water characteristics, the operator should record the complaint and Operating ratio - CORRECT ANS What term is used when a water utility divides its total operating expenses into the total revenue? Daily - ...
A continuously flowing watercourse - CORRECT ANS Perennial Stream Algae causes PH to ....... at night - CORRECT ANS Decrease What contributes to creation of algae blooms - CORRECT ANS Increased nutrients Iron is found mostly in what sources of water - CORRECT ANS Groundwat...
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Add to cartA continuously flowing watercourse - CORRECT ANS Perennial Stream Algae causes PH to ....... at night - CORRECT ANS Decrease What contributes to creation of algae blooms - CORRECT ANS Increased nutrients Iron is found mostly in what sources of water - CORRECT ANS Groundwat...
1 mg/l is the same as 1 part per billion (ppb) True or False - CORRECT ANS False (v.1 pg 468) A SCADA system is capable of monitoring and controlling equipment from a remote location True or False - CORRECT ANS True (v.2 pg 627) A Discharge Monitoring Report is typically submitted...
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Add to cart1 mg/l is the same as 1 part per billion (ppb) True or False - CORRECT ANS False (v.1 pg 468) A SCADA system is capable of monitoring and controlling equipment from a remote location True or False - CORRECT ANS True (v.2 pg 627) A Discharge Monitoring Report is typically submitted...
WasteWater Sources & Characteristics: What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? - CORRECT ANS storm events WasteWater Sources & Characteristics: Combined wastewater is defined as - CORRECT ANS sanitary wastewat...
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Add to cartWasteWater Sources & Characteristics: What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? - CORRECT ANS storm events WasteWater Sources & Characteristics: Combined wastewater is defined as - CORRECT ANS sanitary wastewat...
The first step in maintenance staff should take in properly locking and tagging out a piece of equipment is to - CORRECT ANS alert the operator on duty When working in an area with two or more floor coverings, be sure that they are always - CORRECT ANS Secured together When manually lift...
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Add to cartThe first step in maintenance staff should take in properly locking and tagging out a piece of equipment is to - CORRECT ANS alert the operator on duty When working in an area with two or more floor coverings, be sure that they are always - CORRECT ANS Secured together When manually lift...
Surface water runoff, storm water, sanitary and industrial. - CORRECT ANS A collection system that is called "combined" may carry this kind of wastewater: 2 - CORRECT ANS The flow in a collection system should be a minimum of ____ feet per second (FPS)? Solids will settle. - CORRECT...
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Add to cartSurface water runoff, storm water, sanitary and industrial. - CORRECT ANS A collection system that is called "combined" may carry this kind of wastewater: 2 - CORRECT ANS The flow in a collection system should be a minimum of ____ feet per second (FPS)? Solids will settle. - CORRECT...
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% - CORRECT 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...
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Add to cartWhat 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% - CORRECT 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...
What is the methane content in a properly operation anaerobic digester? A) 30 to 35% by volume B) 1 to 2% by volume C) 65 to 70% by volume D) 15 to 20% by volume - CORRECT ANSWER C) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A)...
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Add to cartWhat is the methane content in a properly operation anaerobic digester? A) 30 to 35% by volume B) 1 to 2% by volume C) 65 to 70% by volume D) 15 to 20% by volume - CORRECT ANSWER C) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A)...
Odors occur when treatment becomes - CORRECT ANSWER Anaerobic What should an operator do before entering a manhole - CORRECT ANSWER Test for all hazardous gases and oxygen levels and ventilate the manhole before entering What treatment devices is commonly used to separate and remove la...
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Add to cartOdors occur when treatment becomes - CORRECT ANSWER Anaerobic What should an operator do before entering a manhole - CORRECT ANSWER Test for all hazardous gases and oxygen levels and ventilate the manhole before entering What treatment devices is commonly used to separate and remove la...
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