Journeyman Plumbers Exam Practice Test
Journeyman Plumbers Exam Journeyman Plumbers Drain, Waste, Vent Systems Questions and Answers
What is the primary purpose of a vent in a drain, waste, and vent (DWV) system?
Select your answer
A
To allow for the emergency drainage of stormwater.
B
To provide a point of access for cleaning the drain lines.
C
To regulate air pressure within the drainage system and prevent the siphoning of trap seals.
D
To filter out solid waste materials before they enter the main sewer line.
Hint
