It is important that vent piping be supported adequately to prevent
A) sagging sections that can fill with water and block the vent.
B) pipe from coming apart at joints.
C) problems with leakage at roof flashings.
D) all of the above.
Correct Answer:
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Q25: A _ is a vertical vent that
Q26: The principal vent line in the system
Q27: Fixtures that are not vented will drain
A)
Q28: Which of the following is NOT a
Q29: The maximum pressure difference permitted at any
Q30: The hydraulic gradient for a trap arm
Q31: Hangers must be able to support piping
Q32: A _ connects one or more individual
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