QUESTIONS AND CORRECT ANSWERS WITH EXPERT DETAILED
RATIONALES GUARANTEE A+ GRADE
1. How often does a licensed irrigator need to renew his license?
A. Once every year
B. Once every two years
C. Once every three years
D. Once every five years
Answer: C
Rationale: Licenses must be renewed every three years to ensure up-to-date knowledge and
compliance with regulations.
2. Which is/are the strategic goal(s) of TCEQ?
A. Enforcement
B. Water quality
C. Waste management
D. None of the above
Answer: A, B, C
Rationale: TCEQ focuses on enforcing regulations, protecting water quality, and managing
waste to safeguard public health and the environment.
3. Individual responsible for obtaining permits and inspections?
A. Technician
B. Licensed Irrigator
C. Homeowner
D. Builder
Answer: B
Rationale: Only a licensed irrigator can legally obtain permits and schedule inspections for
irrigation systems.
4. When is it acceptable for a licensed technician to alter the irrigation design?
A. Anytime the technician feels necessary
B. When the technician receives approval from the licensed irrigator
C. Only after installing the system
D. Never
Answer: B
Rationale: Technicians must get approval to ensure compliance with the licensed irrigator’s
design and regulations.
,5. The term “Commission” refers to?
A. Irrigation license board
B. Texas Commission on Environmental Quality
C. Water works association
D. City council
Answer: B
Rationale: “Commission” in this context specifically refers to TCEQ, the state regulatory
agency.
6. How many members make up the Texas Irrigator's Advisory Council?
A. 6 members
B. 8 members
C. 9 members
D. 10 members
Answer: C
Rationale: The council consists of 6 licensed irrigators and 3 public members, totaling 9.
7. Members of the Texas Irrigator's Advisory Council are appointed by?
A. Governor
B. Mayor
C. Texas Commission on Environmental Quality
D. State legislature
Answer: C
Rationale: TCEQ is responsible for appointing council members.
8. How many members of the Texas Irrigator's Advisory Council must be representatives
of the public?
A. 1 member
B. 2 members
C. 3 members
D. 4 members
Answer: C
Rationale: Of the 9 members, 3 must represent the public to provide a balanced perspective.
9. Which is the function of an irrigation system?
A. Erosion control
,B. Dust reduction
C. Irrigating any type of landscape vegetation in any location
D. All of the above
Answer: A, B, C
Rationale: Irrigation systems serve multiple purposes beyond watering plants, including
controlling erosion and reducing dust.
10. After a license has expired, the only way to obtain another one is to?
A. Pay a late fee
B. Go through the re-examination process again
C. Take a short refresher course
D. Apply for an extension
Answer: B
Rationale: Expired licenses require re-examination to ensure the irrigator is qualified.
11. You must be licensed or work under the supervision of a licensed individual in order to
install or repair irrigation systems for a living.
A. False
B. True
Answer: B
Rationale: State law requires licensing or supervised practice to protect public safety.
12. What will happen if an irrigator fails to receive written notice from the TCEQ that his
license is about to expire?
A. License remains valid
B. The irrigator will lose the license if they fail to renew, even if the TCEQ does not send a
written notice
C. TCEQ will automatically renew the license
D. There is no consequence
Answer: B
Rationale: It is the responsibility of the license holder to track renewal dates.
13. What is the minimum depth of pipe coverage?
A. 4 inches
B. 6 inches
C. 8 inches
D. 12 inches
, Answer: B
Rationale: Minimum 6-inch coverage protects pipes from damage and environmental exposure.
14. Absorption rate is also known as?
A. Percolation rate
B. Infiltration rate
C. Precipitation rate
D. Flow rate
Answer: B
Rationale: Absorption rate measures the soil’s ability to take in water.
15. An atmospheric vacuum breaker is commonly referred to as an?
A. Backflow preventer
B. Anti-siphon
C. Pressure reducer
D. Check valve
Answer: B
Rationale: AVBs prevent backflow by creating an air gap, often called an anti-siphon device.
16. Statement about control wires:
A. The smaller the gauge number, the smaller the wire
B. The larger the gauge number, the smaller the wire
C. Gauge has no effect on size
D. Gauge only affects length
Answer: B
Rationale: Wire gauge numbering is inversely related to wire thickness.
17. Design pressure = ?
A. Static pressure only
B. Flow rate + friction loss
C. Recommended head pressure + total losses
D. Mainline pressure only
Answer: C
Rationale: Design pressure ensures proper system operation, accounting for all losses.