AL Sewer Projects Practice Questions - Alabama Sewer Projects Contractor Examination Exam

Why are air-release or combination air valves installed at high points on a force main?

To allow solids to settle out of the sewage To vent trapped air that reduces capacity and to admit air when the line drains To chlorinate the force main continuously To equalize ground temperature around the pipe

Correct Answer:

To vent trapped air that reduces capacity and to admit air when the line drains

Access more questions from this quiz

Continue to AL Sewer Projects Practice Questions - Alabama Sewer Projects Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions