ACTUAL EXAM GUIDE 2025: 119 QUESTIONS AND 100%
VERIFIED ANSWERS|GRADED A+|GUARANTEED PASS!!
Reclaimed water pipes are painted what color?
- answer-Purple
What causes water hammer?
- answer-The shutting or opening of a valve too quickly
What fire hydrant has a valve and where is it located?
- answer-Dry barrel hydrant and it is located in the base
What is he primary source of lead in a water system
- answer-
What is ph 7?
- answer-Neutral
What is ph 7+?
- answer-Basic
What is the ph of groundwater?
- answer-6-8.5
What is the purpose of creating a report?
- answer-Reports communicate information which has been compiled as a result of
research and analysis of data and of issues.
What is the general definition of an ion? An _________ with a positive or negative
charge
- answer-Atom
, A continuous positive pressure in a distribution system is essential for preventing
what event?
- 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 mains to protect against backflow or backsiphonage from cross-
connections.
- answer-Minimum
Name the most common CAUSE for public water supply contamination.
_________________ or cross-connection
- answer-Backflow
What does a backsiphonage condition usually cause? __________ pressure or
negative pressure on the service or supply side.
- answer-Reduced
What does a double check valve backflow assembly provide effective protection
from? Both backpressure and backsiphonage of ____________.
- answer-Pollution
What is equipment that utilizes water for cooling, lubrication, washing or as a
solvent always susceptible to?
- answer-Cross-Connection
What is the difference between a reduced pressure principle backflow device and a
double check backflow device? The RP has a ______________.
- answer-Relief Valve
What is the maximum time period between having a backflow device tested by a
certified backflow tester? ______________ year.
- answer-1
What is the regulatory definition of a cross-connection in a water supply? A
physical connection between a public water system and any source of water or
other substance that may lead to contamination of the water provided by the
_____________ through backflow.
- answer-PWS