AL Concrete Pavement Practice Questions - Alabama Concrete Pavement Contractor Examination Exam

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When installing gravity sanitary sewer pipe, what is the primary purpose of maintaining a constant, designed slope between manholes?

To maximize pipe wall thickness To ensure self-cleansing velocity and proper drainage flow To reduce the need for bedding material To allow the pipe to float in saturated soils

Correct Answer:

To ensure self-cleansing velocity and proper drainage flow

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