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The complexity of the sewerage system depends on the size of the community and the type of system selected.
True
In a gravity collection system, the collection lines are sloped to permit the flow to move through the system with as little pumping as possible.
True
The velocity of wastewater in a gravity collection system should be maintained at 2 to 4 ft/sec to prevent clogged lines, overflows, and offensive odors.
True
A force main collection system relies on gravity to move the wastewater through the system.
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A vacuum system is a method of wastewater collection that uses negative pressure to transport wastewater.
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