Texas Plumbing Practice Exam — Questions 1–100
1. Which state agency regulates the plumbing trade in Texas?
A. Texas Department of Insurance
B. Texas Department of Licensing and Regulation
C. Texas State Board of Plumbing Examiners
D. Texas Commission on Environmental Quality
Rationale: The Texas State Board of Plumbing Examiners is responsible for regulating
plumbing through licensing, examination, education, and enforcement.
Correct Answer: C. Texas State Board of Plumbing Examiners
2. Which Texas license represents the highest level of plumbing licensure?
A. Tradesman Plumber-Limited
B. Journeyman Plumber
C. Master Plumber
D. Apprentice Plumber
Rationale: The Master Plumber license is the highest standard plumbing license issued by
TSBPE.
Correct Answer: C. Master Plumber
3. What is the primary purpose of plumbing codes?
A. Reduce construction costs
B. Protect public health and safety
C. Increase plumbing company profits
D. Eliminate plumbing inspections
Rationale: Plumbing codes establish minimum requirements intended to protect health, safety,
sanitation, and property.
Correct Answer: B. Protect public health and safety
4. Which organization administers plumbing licensing examinations in Texas?
A. TSBPE
B. OSHA
C. EPA
D. FEMA
Rationale: TSBPE is responsible for examination functions, including developing examination
content and administering licensing examinations.
Correct Answer: A. TSBPE
,5. Which examination method has Texas increasingly implemented for plumbing licensing?
A. Mail-in examination
B. Computer-based testing
C. Telephone examination
D. Oral examination only
Rationale: TSBPE has introduced computer-based testing through Pearson VUE for plumbing
examinations.
Correct Answer: B. Computer-based testing
6. Which plumbing code is one of the codes adopted by TSBPE?
A. 2018 Uniform Plumbing Code
B. 2015 Electrical Code
C. 2024 Building Code only
D. 2010 Mechanical Code
Rationale: TSBPE rules identify the 2018 Uniform Plumbing Code among the adopted
plumbing codes.
Correct Answer: A. 2018 Uniform Plumbing Code
7. Which other major plumbing code is referenced by TSBPE?
A. International Plumbing Code
B. International Electrical Code only
C. National Fire Code only
D. National Roofing Code
Rationale: TSBPE also adopts the 2018 International Plumbing Code under its rules.
Correct Answer: A. International Plumbing Code
8. Who may adopt local plumbing code amendments in Texas?
A. Any homeowner
B. A political subdivision with appropriate authority
C. Only an apprentice
D. Only a plumbing supplier
Rationale: Texas rules allow political subdivisions to adopt plumbing codes with amendments
addressing local concerns, subject to state requirements.
Correct Answer: B. A political subdivision with appropriate authority
9. What should a plumber do before beginning work in a jurisdiction with local
amendments?
, A. Ignore local requirements
B. Check the applicable local plumbing code
C. Use only manufacturer instructions
D. Ask a customer to select the code
Rationale: Plumbing must comply with the applicable plumbing codes adopted by the
jurisdiction where the work occurs.
Correct Answer: B. Check the applicable local plumbing code
10. What is a plumber primarily responsible for when installing plumbing?
A. Installing regardless of code requirements
B. Following applicable laws and codes
C. Avoiding inspections
D. Selecting the cheapest materials regardless of approval
Rationale: Licensees must perform plumbing work in compliance with applicable laws, rules,
and adopted codes.
Correct Answer: B. Following applicable laws and codes
11. What is the primary purpose of a plumbing trap?
A. Increase water pressure
B. Prevent sewer gases from entering a building
C. Increase drainage velocity
D. Supply drinking water
Rationale: The water seal in a trap prevents sewer gases from entering occupied spaces.
Correct Answer: B. Prevent sewer gases from entering a building
12. Which trap is commonly used beneath a plumbing fixture?
A. P-trap
B. Gate trap
C. Check trap
D. Ball trap
Rationale: The P-trap is commonly used for fixture drainage and provides a water seal.
Correct Answer: A. P-trap
13. What can cause a trap seal to be lost through siphonage?
A. Improper venting
B. Excessive insulation
C. Low water temperature
D. Large fixture opening
1. Which state agency regulates the plumbing trade in Texas?
A. Texas Department of Insurance
B. Texas Department of Licensing and Regulation
C. Texas State Board of Plumbing Examiners
D. Texas Commission on Environmental Quality
Rationale: The Texas State Board of Plumbing Examiners is responsible for regulating
plumbing through licensing, examination, education, and enforcement.
Correct Answer: C. Texas State Board of Plumbing Examiners
2. Which Texas license represents the highest level of plumbing licensure?
A. Tradesman Plumber-Limited
B. Journeyman Plumber
C. Master Plumber
D. Apprentice Plumber
Rationale: The Master Plumber license is the highest standard plumbing license issued by
TSBPE.
Correct Answer: C. Master Plumber
3. What is the primary purpose of plumbing codes?
A. Reduce construction costs
B. Protect public health and safety
C. Increase plumbing company profits
D. Eliminate plumbing inspections
Rationale: Plumbing codes establish minimum requirements intended to protect health, safety,
sanitation, and property.
Correct Answer: B. Protect public health and safety
4. Which organization administers plumbing licensing examinations in Texas?
A. TSBPE
B. OSHA
C. EPA
D. FEMA
Rationale: TSBPE is responsible for examination functions, including developing examination
content and administering licensing examinations.
Correct Answer: A. TSBPE
,5. Which examination method has Texas increasingly implemented for plumbing licensing?
A. Mail-in examination
B. Computer-based testing
C. Telephone examination
D. Oral examination only
Rationale: TSBPE has introduced computer-based testing through Pearson VUE for plumbing
examinations.
Correct Answer: B. Computer-based testing
6. Which plumbing code is one of the codes adopted by TSBPE?
A. 2018 Uniform Plumbing Code
B. 2015 Electrical Code
C. 2024 Building Code only
D. 2010 Mechanical Code
Rationale: TSBPE rules identify the 2018 Uniform Plumbing Code among the adopted
plumbing codes.
Correct Answer: A. 2018 Uniform Plumbing Code
7. Which other major plumbing code is referenced by TSBPE?
A. International Plumbing Code
B. International Electrical Code only
C. National Fire Code only
D. National Roofing Code
Rationale: TSBPE also adopts the 2018 International Plumbing Code under its rules.
Correct Answer: A. International Plumbing Code
8. Who may adopt local plumbing code amendments in Texas?
A. Any homeowner
B. A political subdivision with appropriate authority
C. Only an apprentice
D. Only a plumbing supplier
Rationale: Texas rules allow political subdivisions to adopt plumbing codes with amendments
addressing local concerns, subject to state requirements.
Correct Answer: B. A political subdivision with appropriate authority
9. What should a plumber do before beginning work in a jurisdiction with local
amendments?
, A. Ignore local requirements
B. Check the applicable local plumbing code
C. Use only manufacturer instructions
D. Ask a customer to select the code
Rationale: Plumbing must comply with the applicable plumbing codes adopted by the
jurisdiction where the work occurs.
Correct Answer: B. Check the applicable local plumbing code
10. What is a plumber primarily responsible for when installing plumbing?
A. Installing regardless of code requirements
B. Following applicable laws and codes
C. Avoiding inspections
D. Selecting the cheapest materials regardless of approval
Rationale: Licensees must perform plumbing work in compliance with applicable laws, rules,
and adopted codes.
Correct Answer: B. Following applicable laws and codes
11. What is the primary purpose of a plumbing trap?
A. Increase water pressure
B. Prevent sewer gases from entering a building
C. Increase drainage velocity
D. Supply drinking water
Rationale: The water seal in a trap prevents sewer gases from entering occupied spaces.
Correct Answer: B. Prevent sewer gases from entering a building
12. Which trap is commonly used beneath a plumbing fixture?
A. P-trap
B. Gate trap
C. Check trap
D. Ball trap
Rationale: The P-trap is commonly used for fixture drainage and provides a water seal.
Correct Answer: A. P-trap
13. What can cause a trap seal to be lost through siphonage?
A. Improper venting
B. Excessive insulation
C. Low water temperature
D. Large fixture opening
