TCEQ- IRRIGATION TECH- BACKFLOW
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT!!!
The two forms of backflow are:
1. Back Pressure
2. Back Siphonage
Answer: Back Pressure and Back Siphonage
What type of backflow occurs when the pressure from the irrigation system is
greater than the pressure from the water supply?
Answer: Back Pressure
What is a few examples of conditions that could cause back pressure?
Answer: A pump installed downstream of the water supply, gravity, and water
hammer are all examples of back pressure.
What type of backflow occurs when pressure from the supply side drops and
draws water from the irrigation system into the water supply?
Answer: Back Siphonage
A break in the city water main or large quantities of water being pumped
through the city's main by the fire department are examples of what?
Answer: Back Siphonage
Installation Notes:
Greater of 1" or two (2x) times the diameter of the discharge pipe
Similar to an RPZ, except for the air gap backflow method.
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT!!!
The two forms of backflow are:
1. Back Pressure
2. Back Siphonage
Answer: Back Pressure and Back Siphonage
What type of backflow occurs when the pressure from the irrigation system is
greater than the pressure from the water supply?
Answer: Back Pressure
What is a few examples of conditions that could cause back pressure?
Answer: A pump installed downstream of the water supply, gravity, and water
hammer are all examples of back pressure.
What type of backflow occurs when pressure from the supply side drops and
draws water from the irrigation system into the water supply?
Answer: Back Siphonage
A break in the city water main or large quantities of water being pumped
through the city's main by the fire department are examples of what?
Answer: Back Siphonage
Installation Notes:
Greater of 1" or two (2x) times the diameter of the discharge pipe
Similar to an RPZ, except for the air gap backflow method.