alberta-wastewater-collection-operator-level-4 Practice Test

1Single Choice

In a wastewater collection system, an inverted siphon is typically installed at a location where:

A.the slope of the gravity sewer is steep enough to exceed the maximum recommended velocity.
B.the sewer must pass beneath an obstruction such as a river, railway, or buried utility.
C.a grinder pump is required to reduce particle size before discharge.
D.an air vacuum valve is needed to release accumulated gases.

Reveal the answer to continue