TESTER EXAM CLOSING SCRIPT UPDATED
QUESTIONS AND ANSWERS VIEW AHEAD
PREP MATERIAL SOLVED
⩥ What are the core competency job areas for backflow prevention
assembly testers?
Answer: 1. Basic Concepts, 2. Compliance with Public Health
Principles, 3. Operating Characteristics of Backflow Prevention
Assemblies and Devices, 4. Field Test Equipment, 5. Field Test
Procedures.
⩥ What does Duty 1: Basic Concepts cover?
Answer: It includes hydraulic concepts of backsiphonage, backpressure,
pressure drop, acceptable/unacceptable installations, and descriptions of
backflow prevention assemblies and devices.
⩥ What is backsiphonage?
Answer: A hydraulic concept where negative pressure causes backflow
into the potable water supply.
⩥ What is the difference between backflow prevention assemblies and
devices?
, Answer: Assemblies are complex systems designed to prevent backflow,
while devices are simpler mechanisms that serve a similar purpose.
⩥ What does Duty 2 focus on?
Answer: Compliance with public health principles, laws, and
regulations.
⩥ What are indicators of normal and abnormal conditions in backflow
prevention assemblies?
Answer: Normal conditions indicate proper operation, while abnormal
conditions may suggest malfunction or improper installation.
⩥ What is the importance of recognizing the need for calibration in field
test equipment?
Answer: Calibration ensures accurate measurements and reliable test
results.
⩥ What steps are included in Duty 5: Field Test Procedures?
Answer: Performing notification procedures, identifying assembly types,
recording physical identification, performing tests, and evaluating
results.
⩥ What should be done prior to testing a backflow prevention assembly?