WATER NUGGETS QUESTIONS AND ANSWERS
Steel pipe can not corrode on the inside - Answers - False
Chloramines are used - Answers - To treat a water distribution system where the
residual needs to last longer
Where should air vac/air release valves be located - Answers - At high points in the
distribution system
A trench should generally be no more than how many feet wider than the diameter of
the water main - Answers - 1-2'
What type of pipe joint is available in both bolted and boltless flexible pipe joint designs
- Answers - Ball and Socket
A measurement of the interior roughness of a pipe is - Answers - The C Factor
What is the steel specimen inserted into water mains to measure the corrosiveness of
the water is - Answers - Coupon
How many pounds of chlorine is capable of being withdrawn from a 150lb cylinder in a
day - Answers - 40lbs
What parts on a centrifugal pump restricts flow between the impeller discharge and
suction areas - Answers - Wear Rings
The concentration of residual chlorine which is combined with ammonia and/or organic
nitrogen in water as a chloramine and is still able to oxidize organic matter is called -
Answers - Combined Available Residual Chlorine
A clearwell is - Answers - A storage vessel for treated, potable water
If ammonia vapor is passed over a chlorine leak from a cylinder valve, the leak is
indicate by - Answers - White Cloud
Never apply water to a gaseous chlorine leak because the water will cause more issues
- Answers - True
The outlet of a forced ventilation system for a chlorinator room she be located -
Answers - 12" from the floor
Calcium hypochlorite comes in what form - Answers - Tablets
If a bac-T sample comes back positive, the water supplier needs to - Answers -
Resample the original sample site within 24hrs
, Notify the primary agency and document it
Resample prior to and after the original site
Coagulation occurs during the first - Answers - 1 to 5 seconds
How much deeper below the grade line of a pipe bottom should a trench be excavated if
it is being dug in a rock formation - Answers - 6-9 inches
What type of pipe joint permits flexible pipe alignment, is inexpensive to manufacture,
and is easy to assemble - Answers - Push-On Joint
Dead end water mains should be flushed - Answers - Every 30 days
What provides a profile of hazardous mixtures and substances - Answers - SDS -
Safety Data Sheets
What is a prescriptive water right - Answers - A right that is acquired through adverse
possession of someone else's water right. It is similar to a "squatter's right" to land
A gallon jug filled with water weighs - Answers - 8.34lbs
It is essential to ventilate a vault before entering in order to - Answers - Remove
dangerous gasses and ensure proper oxygen levels
Acid should always be diluted into water - Answers - True
The two types of pump seals are - Answers - Packing Ring and Mechanical
What is a measure of a materials opposition to the flow of electric current - Answers -
Ohms
What agency mandates the language and methods for public notification - Answers -
U.S. Environmental Protection Agency (EPA)
What is the pneumatic standard range - Answers - 3-15 psig
The disinfection action of chlorine as the water temperature increases will what -
Answers - Increase
What type of joint is available in both bolted and boltless flexible pipe joint desings -
Answers - Ball and Socket Joints
What type of pipe joint lacks flexibility and is not normally burried - Answers - Flanged
Soil that is cohesive contains a lot of - Answers - Clay
Steel pipe can not corrode on the inside - Answers - False
Chloramines are used - Answers - To treat a water distribution system where the
residual needs to last longer
Where should air vac/air release valves be located - Answers - At high points in the
distribution system
A trench should generally be no more than how many feet wider than the diameter of
the water main - Answers - 1-2'
What type of pipe joint is available in both bolted and boltless flexible pipe joint designs
- Answers - Ball and Socket
A measurement of the interior roughness of a pipe is - Answers - The C Factor
What is the steel specimen inserted into water mains to measure the corrosiveness of
the water is - Answers - Coupon
How many pounds of chlorine is capable of being withdrawn from a 150lb cylinder in a
day - Answers - 40lbs
What parts on a centrifugal pump restricts flow between the impeller discharge and
suction areas - Answers - Wear Rings
The concentration of residual chlorine which is combined with ammonia and/or organic
nitrogen in water as a chloramine and is still able to oxidize organic matter is called -
Answers - Combined Available Residual Chlorine
A clearwell is - Answers - A storage vessel for treated, potable water
If ammonia vapor is passed over a chlorine leak from a cylinder valve, the leak is
indicate by - Answers - White Cloud
Never apply water to a gaseous chlorine leak because the water will cause more issues
- Answers - True
The outlet of a forced ventilation system for a chlorinator room she be located -
Answers - 12" from the floor
Calcium hypochlorite comes in what form - Answers - Tablets
If a bac-T sample comes back positive, the water supplier needs to - Answers -
Resample the original sample site within 24hrs
, Notify the primary agency and document it
Resample prior to and after the original site
Coagulation occurs during the first - Answers - 1 to 5 seconds
How much deeper below the grade line of a pipe bottom should a trench be excavated if
it is being dug in a rock formation - Answers - 6-9 inches
What type of pipe joint permits flexible pipe alignment, is inexpensive to manufacture,
and is easy to assemble - Answers - Push-On Joint
Dead end water mains should be flushed - Answers - Every 30 days
What provides a profile of hazardous mixtures and substances - Answers - SDS -
Safety Data Sheets
What is a prescriptive water right - Answers - A right that is acquired through adverse
possession of someone else's water right. It is similar to a "squatter's right" to land
A gallon jug filled with water weighs - Answers - 8.34lbs
It is essential to ventilate a vault before entering in order to - Answers - Remove
dangerous gasses and ensure proper oxygen levels
Acid should always be diluted into water - Answers - True
The two types of pump seals are - Answers - Packing Ring and Mechanical
What is a measure of a materials opposition to the flow of electric current - Answers -
Ohms
What agency mandates the language and methods for public notification - Answers -
U.S. Environmental Protection Agency (EPA)
What is the pneumatic standard range - Answers - 3-15 psig
The disinfection action of chlorine as the water temperature increases will what -
Answers - Increase
What type of joint is available in both bolted and boltless flexible pipe joint desings -
Answers - Ball and Socket Joints
What type of pipe joint lacks flexibility and is not normally burried - Answers - Flanged
Soil that is cohesive contains a lot of - Answers - Clay
