IRC P1 Plumbing Inspector Study Guide |
Atcual Exam Questions and Answers with
Verified Solutions | Latest Updated 2026
Scope and Administration Chapter 1
(Chapter
#)
Definitions (Chapter #) Chapter 2
Boilers and Water Heaters Chapter 20
(Chapter
#)
Fuel Gas (Chapter #) Chapter 24
Plumbing Administration (Chapter Chapter 25
#)
General Plumbing Requirements Chapter 26
(Chapter #)
Fixtures (Chapter #) Chapter 27
Water Heaters (Chapter #) Chapter 28
, Water Supply and Distribution Chapter 29
(Chapter #)
Sanitary Drainage (Chapter #) Chapter 30
Vents (Chapter #) Chapter 31
Traps (Chapter #) Chapter 32
Storm Drainage (Chapter #) Chapter 33
Referenced Standards (Chapter #) Chapter 44
18. What is the water supply B
fixture Chapter 29: Water Supply and Distribution
unit value for a dishwasher for - Section P2903 Water Supply System -
combined hot and cold water Table
branches? 2903.6
A. 1.0 fixture units Water supply fixture unit value (WSFU)
B. 1.4 fixture units - measures probable water demand by
C. 2.5 fixture units various
D. 3.6 fixture units fixtures
- used to size pipe systems
- WFSU values found in table P2903.6
Atcual Exam Questions and Answers with
Verified Solutions | Latest Updated 2026
Scope and Administration Chapter 1
(Chapter
#)
Definitions (Chapter #) Chapter 2
Boilers and Water Heaters Chapter 20
(Chapter
#)
Fuel Gas (Chapter #) Chapter 24
Plumbing Administration (Chapter Chapter 25
#)
General Plumbing Requirements Chapter 26
(Chapter #)
Fixtures (Chapter #) Chapter 27
Water Heaters (Chapter #) Chapter 28
, Water Supply and Distribution Chapter 29
(Chapter #)
Sanitary Drainage (Chapter #) Chapter 30
Vents (Chapter #) Chapter 31
Traps (Chapter #) Chapter 32
Storm Drainage (Chapter #) Chapter 33
Referenced Standards (Chapter #) Chapter 44
18. What is the water supply B
fixture Chapter 29: Water Supply and Distribution
unit value for a dishwasher for - Section P2903 Water Supply System -
combined hot and cold water Table
branches? 2903.6
A. 1.0 fixture units Water supply fixture unit value (WSFU)
B. 1.4 fixture units - measures probable water demand by
C. 2.5 fixture units various
D. 3.6 fixture units fixtures
- used to size pipe systems
- WFSU values found in table P2903.6