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Module 2: Operation of Water System Questions & Aswers
Which of the following is NOT a responsibility of a Plant Operator? 
A. Providing safe, palatable drinking water 
B. Operating equipment for chemical feed, filtration disinfection and pressure maintenance. 
C. Testing Chlorine residuals and collecting BacT samples 
D. None of the Above - ANSWERSD. None of the Above 
 
All of the following regarding TCEQ and its licensing process are true EXCEPT 
A. TCEQ requires all public water systems to be operated continuously under the direct supervision...
- Exam (elaborations)
- • 3 pages •
Which of the following is NOT a responsibility of a Plant Operator? 
A. Providing safe, palatable drinking water 
B. Operating equipment for chemical feed, filtration disinfection and pressure maintenance. 
C. Testing Chlorine residuals and collecting BacT samples 
D. None of the Above - ANSWERSD. None of the Above 
 
All of the following regarding TCEQ and its licensing process are true EXCEPT 
A. TCEQ requires all public water systems to be operated continuously under the direct supervision...
Water Operator's Course Questions & Answers
What are the Office of Environmental Heath Services (OEHS) primary responsibilities? - ANSWERS-Enforcing drinking water standards 
-Establishing and enforcing standards and regulations for water system design, construction, operation, and maintenance, well construction and placement, pumps, treatment processes, chemical addition, well abandonment, lab certification, and wellhead protection 
 
What is an OEHS on-site inspection called? - ANSWERSSanitary surveys; their frequency and duration depen...
- Exam (elaborations)
- • 9 pages •
What are the Office of Environmental Heath Services (OEHS) primary responsibilities? - ANSWERS-Enforcing drinking water standards 
-Establishing and enforcing standards and regulations for water system design, construction, operation, and maintenance, well construction and placement, pumps, treatment processes, chemical addition, well abandonment, lab certification, and wellhead protection 
 
What is an OEHS on-site inspection called? - ANSWERSSanitary surveys; their frequency and duration depen...
Basic Water (Texas)- Module 1 Water Utility Personnel Questions & Answers
True or False: Operators have a responsibility to provide drinking water that meets federal and state standards. - ANSWERSTrue 
 
AnswerTrue or False: Water must be disinfected, delivered at inadequate pressure, and be ample in quantity. - ANSWERSFalse 
 
AnswerTrue or False: Utility employees should guard the water supply and facilities from contamination, public tours, and even terrorism. - ANSWERSFalse 
 
AnswerTrue or False: The state requires bacteriological sample results to be kept two ye...
- Exam (elaborations)
- • 2 pages •
True or False: Operators have a responsibility to provide drinking water that meets federal and state standards. - ANSWERSTrue 
 
AnswerTrue or False: Water must be disinfected, delivered at inadequate pressure, and be ample in quantity. - ANSWERSFalse 
 
AnswerTrue or False: Utility employees should guard the water supply and facilities from contamination, public tours, and even terrorism. - ANSWERSFalse 
 
AnswerTrue or False: The state requires bacteriological sample results to be kept two ye...
Class C Water Operator License Exam Questions & Answers
Ammonia mixed with chlorine gas creates a - ANSWERSwhite smoke 
 
AnswerThe most difficult part of a water distribution operator's job. - ANSWERSfurnish a continuous supply 
 
AnswerPhysical connection between a safe and potentially unsafe water source. - ANSWERScross connection 
 
AnswerA distribution system is a - ANSWERSlooped system 
 
AnswerDead end mains should be flushed - ANSWERSevery month 
 
AnswerExcess nitrate causes a condition called - ANSWERSblue baby syndrome 
 
AnswerWater ha...
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- Exam (elaborations)
- • 8 pages •
Ammonia mixed with chlorine gas creates a - ANSWERSwhite smoke 
 
AnswerThe most difficult part of a water distribution operator's job. - ANSWERSfurnish a continuous supply 
 
AnswerPhysical connection between a safe and potentially unsafe water source. - ANSWERScross connection 
 
AnswerA distribution system is a - ANSWERSlooped system 
 
AnswerDead end mains should be flushed - ANSWERSevery month 
 
AnswerExcess nitrate causes a condition called - ANSWERSblue baby syndrome 
 
AnswerWater ha...
TCEQ Wastewater License Exam Questions & Answers
What are the steps of the Water Use Cycle? - ANSWERSEnvironment --> Water Treatment --> Water Distribution System --> Customer Use --> Wastewater Collection System --> Wastewater Treatment --> Environment 
 
AnswerWhat are the benefits of the collection system? - ANSWERS- Removal of health hazards 
- Prevention of odors and flies 
- Cleanliness and appearance 
- Comfort and convenience 
 
AnswerSeptic vs. Fresh wastewater? - ANSWERSSeptic wastewater doesn't contain dissolved...
- Exam (elaborations)
- • 11 pages •
What are the steps of the Water Use Cycle? - ANSWERSEnvironment --> Water Treatment --> Water Distribution System --> Customer Use --> Wastewater Collection System --> Wastewater Treatment --> Environment 
 
AnswerWhat are the benefits of the collection system? - ANSWERS- Removal of health hazards 
- Prevention of odors and flies 
- Cleanliness and appearance 
- Comfort and convenience 
 
AnswerSeptic vs. Fresh wastewater? - ANSWERSSeptic wastewater doesn't contain dissolved...
D2 water distribution test Questions & Answers
What is the primary purpose of the SDWA? - ANSWERSTo create uniform national standards for drinking water quality 
 
AnswerWho sets Maximum Contaminants Levels (MCLs)? - ANSWERSUSEPA 
 
AnswerWhat are some of the duties of the EPA? - ANSWERSSets MCLs, delegates enforcement of SDWA to state agencies, provides grant funds, monitors state activities, provides continued research 
 
AnswerWhat is state primacy? - ANSWERSGiving the authority to the state to implement and enforce regulations 
 
AnswerT...
- Exam (elaborations)
- • 11 pages •
What is the primary purpose of the SDWA? - ANSWERSTo create uniform national standards for drinking water quality 
 
AnswerWho sets Maximum Contaminants Levels (MCLs)? - ANSWERSUSEPA 
 
AnswerWhat are some of the duties of the EPA? - ANSWERSSets MCLs, delegates enforcement of SDWA to state agencies, provides grant funds, monitors state activities, provides continued research 
 
AnswerWhat is state primacy? - ANSWERSGiving the authority to the state to implement and enforce regulations 
 
AnswerT...
Twua class D Questions & Answers
What is the name of the State Agency responsible for enforcing the Safe Drinking Water Program in Texas? 
a. Texas Water Development Board 
b. Texas Department of Water Resources 
c. Texas Section of EPA 
d. Texas Water Resource and Conservation Commission 
e. Texas Commission on Environmental Quality (formally known as TNRCC) - ANSWERSe. Texas Commission on Environmental Quality (formally known as TNRCC) 
 
AnswerWhat minerals are associated with water hardness? 
a. Chlorine and Manganese 
b. C...
- Exam (elaborations)
- • 5 pages •
What is the name of the State Agency responsible for enforcing the Safe Drinking Water Program in Texas? 
a. Texas Water Development Board 
b. Texas Department of Water Resources 
c. Texas Section of EPA 
d. Texas Water Resource and Conservation Commission 
e. Texas Commission on Environmental Quality (formally known as TNRCC) - ANSWERSe. Texas Commission on Environmental Quality (formally known as TNRCC) 
 
AnswerWhat minerals are associated with water hardness? 
a. Chlorine and Manganese 
b. C...
ABC Class 1 Physical/Chemical Operator Exam Questions & Answers
1. How much does a cubic foot of water weigh? - ANSWERSa. 8.34 lbs 
b. 7.48 lbs 
c. 62.38 lbs 
d. 15.82 lbs 
 
Answer2. What is the best way to store a 150# chlorine gas cylinder? - ANSWERSa. On its side 
b. Above ground level 
c. Upright, secured from falling 
 
Answer3. Which is not a proper alternative for treatment of industrial wastewater? - ANSWERSa. Pretreatment by the IWTS followed by discharge to the POTW 
b. Direct discharge to receiving waters 
c. Discharge to POTW for treatment 
d. C...
- Exam (elaborations)
- • 14 pages •
1. How much does a cubic foot of water weigh? - ANSWERSa. 8.34 lbs 
b. 7.48 lbs 
c. 62.38 lbs 
d. 15.82 lbs 
 
Answer2. What is the best way to store a 150# chlorine gas cylinder? - ANSWERSa. On its side 
b. Above ground level 
c. Upright, secured from falling 
 
Answer3. Which is not a proper alternative for treatment of industrial wastewater? - ANSWERSa. Pretreatment by the IWTS followed by discharge to the POTW 
b. Direct discharge to receiving waters 
c. Discharge to POTW for treatment 
d. C...
California Water Distribution Grade 3 Questions & Answers
R.P.P.A. - ANSWERSReduced pressure principal assembly. 
Backflow prevention for back siphonage and back pressure. 
 
AnswerAmerican Public Works Association color codes. White,pink,red,yellow,orange, blue, purple and green - ANSWERSWhite=proposed excavation 
Pink=temporary survey markings 
red=electric power 
yellow=gas,oil and steam 
orange=communications(phone/cable) 
blue=water 
purple=reclaimed water 
green=sewer and storm drains. 
 
AnswerDistance between water and sewer lines. - ANSWERSRun...
- Exam (elaborations)
- • 15 pages •
R.P.P.A. - ANSWERSReduced pressure principal assembly. 
Backflow prevention for back siphonage and back pressure. 
 
AnswerAmerican Public Works Association color codes. White,pink,red,yellow,orange, blue, purple and green - ANSWERSWhite=proposed excavation 
Pink=temporary survey markings 
red=electric power 
yellow=gas,oil and steam 
orange=communications(phone/cable) 
blue=water 
purple=reclaimed water 
green=sewer and storm drains. 
 
AnswerDistance between water and sewer lines. - ANSWERSRun...
Basic Wastewater Operator Practice Exam Questions & Answers
What is the predominant organism in a healthy activated sludge treatment plant? 
 
A. Stalked ciliates 
B. rotifers 
C. nematodes 
D. amoebas - ANSWERSA. Stalked Ciliates 
 
AnswerA composite sample must be? 
 
A. sporadically collected in the treatment plant 
B. taken at one time 
C. analyzed immediately 
D. representative and sub-samples time spaced over 15 minutes apart - ANSWERSD. representative and sub-samples time spaced over 15 minutes apart 
 
AnswerWhat is the standard volume for a BOD ...
- Exam (elaborations)
- • 22 pages •
What is the predominant organism in a healthy activated sludge treatment plant? 
 
A. Stalked ciliates 
B. rotifers 
C. nematodes 
D. amoebas - ANSWERSA. Stalked Ciliates 
 
AnswerA composite sample must be? 
 
A. sporadically collected in the treatment plant 
B. taken at one time 
C. analyzed immediately 
D. representative and sub-samples time spaced over 15 minutes apart - ANSWERSD. representative and sub-samples time spaced over 15 minutes apart 
 
AnswerWhat is the standard volume for a BOD ...