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Who enforces the drinking water regulations in Georgia? - Ans Georgia EPD
What type of sample is required for bacterial analysis? - Ans Flushed
What type of sample is required for lead and copper? - Ans First Draw
Water must sit in the customer's plumbing lines motionless for at least 6 hours, but no longer
than 12 hour for which of the following samples? - Ans Lead & Copper
Care must be taken when handling bacteria sample bottles during the sampling process due to
the fact that they are: - Ans Sterile
What water quality problem is most likely to occur dead-end water mains? - Ans Dirty Water
and or Taste & Odor
Examples of three waterborne diseases are: - Ans Typhoid fever, Infectious hepatitis, Cholera
When should a new water main be flushed and disinfected before placing in service? - Ans
Every Time
The standard purity of HTH is - Ans 65%
Sodium hypochlorite is also known as - Ans Bleach
The chemical used to detect chlorine residuals in water is - Ans DPD
, A venturi tube increases the velocity and decreases the pressure as water flows through the
unit. This type of tube is used to: - Ans Measure the rate of water flowing through it
Which one of the following types of meters has no moving parts: - Ans Venturi
Which tap is a connection made into a main that is full of water or under pressure? - Ans Wet
Tap
A valve that joins a customer's service to the water main called: - Ans Corporation Stop
The following meter is used where the water demand varies considerably: - Ans Compound
Which if the following factors determine the type of corporation stop that should be used? -
Ans Size and material of main being tapped, Service line material, Type of connection to service
line
Which of the following is an advantage of wet taps? - Ans No interruption in service, Made
without shutting off the water, Less chance of contamination
The most commonly known corporation stop thread is called: - Ans Mueller Threads
Ab example of a large-flow water main is - Ans Velocity Meter
Temporary cloudiness in a freshly drawn sample of tap water may be caused by: - Ans Air
When opening and closing valves in high pressure lines the valves should be: - Ans Opened and
closed slowly