Drainage, Waste & VentPregunta 19 de 120
Two lavatories are installed back to back on opposite sides of a wall and discharge into the same double fitting at the same level. What vent arrangement is being used?
a.A common vent
b.A circuit vent
c.A relief vent
d.A wet vent
Explicación
A single vent serving two fixture drains that connect at the same level into the same fitting is a common vent. A circuit vent serves a battery of fixtures on a horizontal branch, a relief vent provides additional air circulation between drain and vent systems, and a wet vent is a drain that also carries vent air for other fixtures.
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