TCEQ Irrigation License Study Guide with
Questions and Answers Approved by Expert
(2025 New Update A+ Guaranteed)
Q1: What are the BPA requirements for a fertilizer injection system?
A1: A Reduced Pressure Principle Assembly (RPPA) or Reduced Pressure Zone (RPZ) is
required when fertilizer injection systems are used.
Q2: What causes backsiphonage?
A2: Backsiphonage is caused by a negative or sub-atmospheric pressure. Examples include city
departments using fire hydrants, a city main line break, or someone sucking liquid from a glass
using a straw.
Q3: What are the causes of a leaking check valve?
A3: Debris can enter the valve, causing it to leak. A Y strainer can be used to help prevent this
issue.
Q4: What is the definition of a high-hazard system?
A4: A high-hazard system involves non-potable water, chemicals, or fertilizers.
Q5: What is the definition of a cross-connection?
A5: A cross-connection is any actual or potential connection between a potable water supply and
any source of contamination or pollution.
Q6: What is meant by the degree of hazard?
A6: The degree of hazard is a measure of the potential risk or harm to public health.
Questions and Answers Approved by Expert
(2025 New Update A+ Guaranteed)
Q1: What are the BPA requirements for a fertilizer injection system?
A1: A Reduced Pressure Principle Assembly (RPPA) or Reduced Pressure Zone (RPZ) is
required when fertilizer injection systems are used.
Q2: What causes backsiphonage?
A2: Backsiphonage is caused by a negative or sub-atmospheric pressure. Examples include city
departments using fire hydrants, a city main line break, or someone sucking liquid from a glass
using a straw.
Q3: What are the causes of a leaking check valve?
A3: Debris can enter the valve, causing it to leak. A Y strainer can be used to help prevent this
issue.
Q4: What is the definition of a high-hazard system?
A4: A high-hazard system involves non-potable water, chemicals, or fertilizers.
Q5: What is the definition of a cross-connection?
A5: A cross-connection is any actual or potential connection between a potable water supply and
any source of contamination or pollution.
Q6: What is meant by the degree of hazard?
A6: The degree of hazard is a measure of the potential risk or harm to public health.
