WATER DISTRIBUTION OPERATOR (PRACTICE TEST D1)
EXAM TEST WITH LATEST UPDATED (QUESTIONS AND
ANSWERS) ALREADY PASSED!!
What is the maximum rate of chorine gas removal form a 150-lbs pound
cylinder ? Correct Answers 40LBS per day
What is a type of positive displacement water meter ? Correct Answers
Nutating - Disk Meter
In general, at what depths is shoring required for a trench, if your
excavating soil ? Correct Answers 5 Feet or deeper
What is used to automatically shut off the flow into a tank when water
level reaches a pre-determined level? Correct Answers Altitude Valve
What is recommended if a chlorine gas cylinder is leaking? Correct
Answers Rotate the cylinder and turn the leak upward
What impact would organics have on chlorine demand? Correct
Answers Increase chlorine demand
What is the purple pipe used for? Correct Answers Reclaimed water
Where is the correct location to install air release valve ? Correct
Answers Top of pipe
, which valve is available as a swing, double door, or slanting disc?
Correct Answers Check Valve
What are used to protect water mains and ranks from corrosion? Correct
Answers Anodes
What is total dynamic head? Correct Answers Total static head plus
head loss, when the pump is operating
What is a connection between potable water system and an unapproved
water supply? Correct Answers Cross Connection
What causes a pump to sound like it is pumping rocks? Correct Answers
Cavitation
What will reduce flow rate in a pipe? Correct Answers Encrustation
What is the source of E.Coli? Correct Answers Intestinal tract of warm
blooded animals (poop)
What is the primary purpose of a listening device? Correct Answers
Locate leaks
What is commonly used to protect the exterior of ductile iron pipe from
corrosion? Correct Answers Polyethylene
EXAM TEST WITH LATEST UPDATED (QUESTIONS AND
ANSWERS) ALREADY PASSED!!
What is the maximum rate of chorine gas removal form a 150-lbs pound
cylinder ? Correct Answers 40LBS per day
What is a type of positive displacement water meter ? Correct Answers
Nutating - Disk Meter
In general, at what depths is shoring required for a trench, if your
excavating soil ? Correct Answers 5 Feet or deeper
What is used to automatically shut off the flow into a tank when water
level reaches a pre-determined level? Correct Answers Altitude Valve
What is recommended if a chlorine gas cylinder is leaking? Correct
Answers Rotate the cylinder and turn the leak upward
What impact would organics have on chlorine demand? Correct
Answers Increase chlorine demand
What is the purple pipe used for? Correct Answers Reclaimed water
Where is the correct location to install air release valve ? Correct
Answers Top of pipe
, which valve is available as a swing, double door, or slanting disc?
Correct Answers Check Valve
What are used to protect water mains and ranks from corrosion? Correct
Answers Anodes
What is total dynamic head? Correct Answers Total static head plus
head loss, when the pump is operating
What is a connection between potable water system and an unapproved
water supply? Correct Answers Cross Connection
What causes a pump to sound like it is pumping rocks? Correct Answers
Cavitation
What will reduce flow rate in a pipe? Correct Answers Encrustation
What is the source of E.Coli? Correct Answers Intestinal tract of warm
blooded animals (poop)
What is the primary purpose of a listening device? Correct Answers
Locate leaks
What is commonly used to protect the exterior of ductile iron pipe from
corrosion? Correct Answers Polyethylene
