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Water Distribution 1 certification state exam questions and answers Graded-A
Water Distribution 1 certification state 
exam questions and answers Graded-A 
Potable water may be defined as: 
a. Any water that occasionally may be polluted from another source 
b. Any water that, according to recognized standards, is safe for consumption 
c. Water high in organic content 
d. Water that has been transported from outside the service area - CORRECT 
ANSWER-b). Any water that according to recognized standard is safe for human 
consumption. 
To prevent the entry of surface con...
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- Exam (elaborations)
- • 36 pages •
Water Distribution 1 certification state 
exam questions and answers Graded-A 
Potable water may be defined as: 
a. Any water that occasionally may be polluted from another source 
b. Any water that, according to recognized standards, is safe for consumption 
c. Water high in organic content 
d. Water that has been transported from outside the service area - CORRECT 
ANSWER-b). Any water that according to recognized standard is safe for human 
consumption. 
To prevent the entry of surface con...
![](/docpics/5167313/6632c6f26c3b7_5167313_121_171.jpeg)
Water distribution 1 practice test review latest guide Q&A
Water distribution 1 practice test review 
latest guide Q&A 
The only absolutely reliable method of backflow prevention is the use of - CORRECT 
ANSWER-Air Gap 
The bubbles formed in a positive multiple tube fermentation test are - CORRECT 
ANSWER-Carbon Dioxide 
The maximum rate of withdrawal of gas from a 150lb chlorine cylinder in 24-hours is - 
CORRECT ANSWER-40 lbs 
If you encounter a liquid chlorine leak in a one tone container, what action should you 
take first, to reduce the severit...
- Package deal
- Exam (elaborations)
- • 4 pages •
Water distribution 1 practice test review 
latest guide Q&A 
The only absolutely reliable method of backflow prevention is the use of - CORRECT 
ANSWER-Air Gap 
The bubbles formed in a positive multiple tube fermentation test are - CORRECT 
ANSWER-Carbon Dioxide 
The maximum rate of withdrawal of gas from a 150lb chlorine cylinder in 24-hours is - 
CORRECT ANSWER-40 lbs 
If you encounter a liquid chlorine leak in a one tone container, what action should you 
take first, to reduce the severit...
![](/docpics/5167302/6632c67c97115_5167302_121_171.jpeg)
Water Distribution Test 1 study guide 100% correct answers latest
Water Distribution Test 1 study guide 
100% correct answers latest 
Distribution systems are usually laid out in which of the following patterns besides Tree 
shaped and Grid designs? 
a. Loops and/or circular designs 
b. Vertical designs without backflow prevention devices 
c. Horizontal lines that flow into open ponds then back into a closed pipe 
d. Horizontal lines that flow into underground sumps then back into a closed pipe - 
CORRECT ANSWER-a. Loops and/or circular designs 
Dead ends in ...
- Package deal
- Exam (elaborations)
- • 8 pages •
Water Distribution Test 1 study guide 
100% correct answers latest 
Distribution systems are usually laid out in which of the following patterns besides Tree 
shaped and Grid designs? 
a. Loops and/or circular designs 
b. Vertical designs without backflow prevention devices 
c. Horizontal lines that flow into open ponds then back into a closed pipe 
d. Horizontal lines that flow into underground sumps then back into a closed pipe - 
CORRECT ANSWER-a. Loops and/or circular designs 
Dead ends in ...
![](/docpics/5167284/6632c602e6fba_5167284_121_171.jpeg)
Water Distribution Grade 1 Certification exam questions and answers elaborated
Water Distribution Grade 1 Certification 
exam questions and answers elaborated 
What is the general definition of an ion? An _________ with a positive or negative 
charge - CORRECT ANSWER-Atom 
A continuous positive pressure in a distribution system is essential for preventing what 
event? - CORRECT ANSWER-Backflow Event 
_____________ water pressure must be maintained to ensure adequate customer 
service during peak flow periods. However, minimum positive pressure must be 
maintained in m...
- Package deal
- Exam (elaborations)
- • 9 pages •
Water Distribution Grade 1 Certification 
exam questions and answers elaborated 
What is the general definition of an ion? An _________ with a positive or negative 
charge - CORRECT ANSWER-Atom 
A continuous positive pressure in a distribution system is essential for preventing what 
event? - CORRECT ANSWER-Backflow Event 
_____________ water pressure must be maintained to ensure adequate customer 
service during peak flow periods. However, minimum positive pressure must be 
maintained in m...
![](/docpics/5167268/6632c58a98304_5167268_121_171.jpeg)
Water Distribution 1 Final exam questions and answers 100% verified
Water Distribution 1 Final exam 
questions and answers 100% verified 
Head is measured in - CORRECT ANSWER-feet 
A plat is - CORRECT ANSWER-A map 
Which type of valve will prevent the collapse of a pipe - CORRECT ANSWER-Air-andvaccume relief valve 
The highest degree of protection of a coated steel pipe is - CORRECT ANSWERcathodic protection 
At which time of day is the age of the water stored in the distribution system the 
highest? - CORRECT ANSWER-In the morning 
One of chlorines advantage...
- Package deal
- Exam (elaborations)
- • 7 pages •
Water Distribution 1 Final exam 
questions and answers 100% verified 
Head is measured in - CORRECT ANSWER-feet 
A plat is - CORRECT ANSWER-A map 
Which type of valve will prevent the collapse of a pipe - CORRECT ANSWER-Air-andvaccume relief valve 
The highest degree of protection of a coated steel pipe is - CORRECT ANSWERcathodic protection 
At which time of day is the age of the water stored in the distribution system the 
highest? - CORRECT ANSWER-In the morning 
One of chlorines advantage...
![](/docpics/5167254/6632c514e8fee_5167254_121_171.jpeg)
The minimum and maximum chloride residual in a water distribution system is ?
Level 1 water distribution practice test 
Guide Questions and answers 100% 
correct 
The minimum and maximum chloride residual in a water distribution system is ? - 
CORRECT ANSWER-0.2 mg/l and 4mg/L of free chlorine 
Nitrate may not exceed what concentration when tested yearly for a groundwater 
treatment plant ? - CORRECT ANSWER-10 mg/L 
The minimum number of total coliform samples that must be collected per month is 
based on Wich of the following ? - CORRECT ANSWER-The population served ...
- Package deal
- Exam (elaborations)
- • 5 pages •
Level 1 water distribution practice test 
Guide Questions and answers 100% 
correct 
The minimum and maximum chloride residual in a water distribution system is ? - 
CORRECT ANSWER-0.2 mg/l and 4mg/L of free chlorine 
Nitrate may not exceed what concentration when tested yearly for a groundwater 
treatment plant ? - CORRECT ANSWER-10 mg/L 
The minimum number of total coliform samples that must be collected per month is 
based on Wich of the following ? - CORRECT ANSWER-The population served ...
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