A&P Power Plant Reciprocating Engines Practice Test

A horizontal drainage pipe is installed with inadequate slope. What is the most likely result?

Trap seals will become deeper Fixture flow rates will increase indefinitely The pipe will automatically self-vent Solids may settle and cause stoppages

Correct Answer:

Solids may settle and cause stoppages

Explanation:

Drainage pipe relies on proper slope to keep liquid and solids moving together; too little slope promotes deposits and blockages.

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