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A water tank that uses compressed air over water to provide pressure is called a:
According to the lead and copper rule, pipe and fittings may not contain more than ___ lead.
0.25%
When testing for chlorine residual, DPD is used as an indicator. When DPD is added to water containing chlorine, what color does the sample turn?
The most common valve(s) used for isolating a water leak is the _____ valve.
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In the distribution system, when a valve or hydrant is opened or closed too fast, it could result in a:
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The most commonly used pump in the distribution system is:
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A water tank that uses compressed air over water to provide pressure is called a -
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According to the lead and copper rule, pipe and fittings may not contain more than __ lead or solder and flux may not contain more than 0.2 % lead.
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When testing for chlorine residual, DPD is used as an indicator. When DPD is added to water containing chlorine, what color does the sample turn?
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The most common valve(s) used for isolating a water leak is the _____ valve.
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In the distribution system, when a valve or hydrant is opened or closed too fast, it could result in a -
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The most commonly used pump in the distribution system is -
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Study Notes
Water Tank Types
- A water tank that uses compressed air over water to provide pressure is called a hydropneumatic tank.
Lead and Copper Rule
- The Lead and Copper Rule limits the amount of lead in pipes and fittings.
- Pipes and fittings cannot contain more than 0.25% lead.
- Solder and flux cannot contain more than 0.2% lead.
Chlorine Residual Testing
- DPD is used as an indicator when testing for chlorine residual.
- When DPD is added to water containing chlorine, the sample turns red.
Isolating Water Leaks
- The most common valve used for isolating water leaks is the gate valve.
Water Hammer
- Opening or closing a valve or hydrant too quickly can cause water hammer in a distribution system.
Distribution System Pumps
- The most common pump in distribution systems is a centrifugal pump.
Water Tank Types
- A water tank that uses compressed air over water to provide pressure is called a hydro-pneumatic tank.
Lead and Copper Rule
- The Lead and Copper Rule limits the amount of lead in pipes and fittings.
- Pipes and fittings cannot contain more than 0.25% lead.
- Solder and flux cannot contain more than 0.2% lead.
Chlorine Residual Testing
- DPD (N,N-Diethyl-p-phenylenediamine) is used as an indicator to test for chlorine residual in water.
- DPD reacts with chlorine and turns the water sample red.
Common Water Leak Isolation Valves
- Gate valves are the most common valves for isolating water leaks.
Water Hammer in Distribution Systems
- Opening or closing valves or hydrants too quickly can cause water hammer.
- Water hammer is a sudden pressure surge in a water distribution system.
Common Distribution System Pump
- Centrifugal pumps are the most common pumps used in water distribution systems.
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Description
This quiz covers essential topics related to water systems, including types of water tanks, regulations for lead and copper, testing for chlorine residual, and common water system components like pumps and valves. Test your knowledge on the principles that ensure safe and efficient water distribution.
