TSPBE PLUMBING INSPECTOR EXAM (TEXAS STATE
BOARD OF PLUMBING EXAMINERS WRITTEN)
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q7A 2027 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of plumbing codes?
A. To reduce construction costs
B. To regulate architectural appearance
C. To protect public health and safety
D. To eliminate the need for inspections
Answer: C. To protect public health and safety
Rationale: Plumbing codes establish minimum requirements
intended to protect occupants from unsafe water, sewage,
drainage, and plumbing conditions.
2. Which organization administers plumbing licensing and
regulation in Texas?
A. Texas Department of Insurance
B. Texas State Board of Plumbing Examiners
C. Texas Commission on Environmental Quality
D. Texas Department of Transportation
Answer: B. Texas State Board of Plumbing Examiners
Rationale: TSBPE is responsible for regulating the plumbing
,industry through examination, licensing, enforcement, and
education.
3. A plumbing inspector's enforcement of plumbing
requirements should be:
A. Different for each contractor
B. Based on personal preference
C. Consistent and equitable
D. Based on the contractor's reputation
Answer: C. Consistent and equitable
Rationale: Texas law requires a plumbing inspector to enforce
applicable requirements consistently across job sites.
4. Which condition is most directly associated with backflow?
A. Excessive pipe slope
B. Reversal of normal water flow
C. Low drainage fixture units
D. Excessive vent pipe height
Answer: B. Reversal of normal water flow
Rationale: Backflow occurs when water or another substance
moves in the opposite direction from the intended flow.
5. What is the primary purpose of a plumbing vent system?
,A. Increase water pressure
B. Supply drinking water
C. Protect trap seals and allow proper drainage-system airflow
D. Heat the drainage system
Answer: C. Protect trap seals and allow proper drainage-system
airflow
Rationale: Venting helps maintain atmospheric pressure in the
drainage system and protects fixture trap seals.
6. What is a plumbing trap designed primarily to do?
A. Increase water velocity
B. Prevent sewer gases from entering occupied spaces
C. Increase water pressure
D. Filter potable water
Answer: B. Prevent sewer gases from entering occupied spaces
Rationale: The water seal in a trap separates the drainage
system from the occupied area.
7. What does DFU generally stand for?
A. Drain Flow Utility
B. Drainage Fixture Unit
C. Drain Fixture Utility
D. Drainage Flow Uniformity
, Answer: B. Drainage Fixture Unit
Rationale: A drainage fixture unit is a standardized unit used to
estimate the drainage load imposed by plumbing fixtures.
8. Why are drainage fixture units used in plumbing design?
A. To determine electrical loads
B. To estimate drainage-system demand
C. To determine building occupancy
D. To calculate water temperature
Answer: B. To estimate drainage-system demand
Rationale: DFUs provide a standardized method for sizing
drainage piping based on fixture discharge characteristics.
9. Which fixture normally requires a trap?
A. Water closet
B. Electrical panel
C. Hose reel
D. Water meter
Answer: A. Water closet
Rationale: Plumbing fixtures connected to drainage systems
generally require appropriate trap protection, with specific
code provisions applying to different fixtures.
10. What is the purpose of a cleanout?
BOARD OF PLUMBING EXAMINERS WRITTEN)
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q7A 2027 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of plumbing codes?
A. To reduce construction costs
B. To regulate architectural appearance
C. To protect public health and safety
D. To eliminate the need for inspections
Answer: C. To protect public health and safety
Rationale: Plumbing codes establish minimum requirements
intended to protect occupants from unsafe water, sewage,
drainage, and plumbing conditions.
2. Which organization administers plumbing licensing and
regulation in Texas?
A. Texas Department of Insurance
B. Texas State Board of Plumbing Examiners
C. Texas Commission on Environmental Quality
D. Texas Department of Transportation
Answer: B. Texas State Board of Plumbing Examiners
Rationale: TSBPE is responsible for regulating the plumbing
,industry through examination, licensing, enforcement, and
education.
3. A plumbing inspector's enforcement of plumbing
requirements should be:
A. Different for each contractor
B. Based on personal preference
C. Consistent and equitable
D. Based on the contractor's reputation
Answer: C. Consistent and equitable
Rationale: Texas law requires a plumbing inspector to enforce
applicable requirements consistently across job sites.
4. Which condition is most directly associated with backflow?
A. Excessive pipe slope
B. Reversal of normal water flow
C. Low drainage fixture units
D. Excessive vent pipe height
Answer: B. Reversal of normal water flow
Rationale: Backflow occurs when water or another substance
moves in the opposite direction from the intended flow.
5. What is the primary purpose of a plumbing vent system?
,A. Increase water pressure
B. Supply drinking water
C. Protect trap seals and allow proper drainage-system airflow
D. Heat the drainage system
Answer: C. Protect trap seals and allow proper drainage-system
airflow
Rationale: Venting helps maintain atmospheric pressure in the
drainage system and protects fixture trap seals.
6. What is a plumbing trap designed primarily to do?
A. Increase water velocity
B. Prevent sewer gases from entering occupied spaces
C. Increase water pressure
D. Filter potable water
Answer: B. Prevent sewer gases from entering occupied spaces
Rationale: The water seal in a trap separates the drainage
system from the occupied area.
7. What does DFU generally stand for?
A. Drain Flow Utility
B. Drainage Fixture Unit
C. Drain Fixture Utility
D. Drainage Flow Uniformity
, Answer: B. Drainage Fixture Unit
Rationale: A drainage fixture unit is a standardized unit used to
estimate the drainage load imposed by plumbing fixtures.
8. Why are drainage fixture units used in plumbing design?
A. To determine electrical loads
B. To estimate drainage-system demand
C. To determine building occupancy
D. To calculate water temperature
Answer: B. To estimate drainage-system demand
Rationale: DFUs provide a standardized method for sizing
drainage piping based on fixture discharge characteristics.
9. Which fixture normally requires a trap?
A. Water closet
B. Electrical panel
C. Hose reel
D. Water meter
Answer: A. Water closet
Rationale: Plumbing fixtures connected to drainage systems
generally require appropriate trap protection, with specific
code provisions applying to different fixtures.
10. What is the purpose of a cleanout?
