AWWA Equipment and Material Standards 2

Question 1

Which AWWA standard covers resilient-seated gate valves for water supply service?

Accepted Answer

AWWA C509

Answer

AWWA C509 specifies resilient-seated gate valves (3-inch through 12-inch) used in water distribution systems.

Question 2

AWWA C651 provides disinfection procedures primarily for which type of infrastructure?

Accepted Answer

Newly installed water mains

Answer

AWWA C651 covers procedures for disinfecting newly installed or repaired water mains before placing them into service.

Question 3

What material property is most critical when selecting ductile iron pipe per AWWA C151?

Accepted Answer

Tensile strength and yield strength

Answer

AWWA C151 specifies minimum tensile strength of 60,000 psi and yield strength of 42,000 psi for ductile iron pipe.

Question 4

Which AWWA standard addresses the installation of ductile iron water mains and appurtenances?

Accepted Answer

AWWA C600

Answer

AWWA C600 covers installation of ductile iron water mains and their appurtenances.

Question 5

Fusion-bonded epoxy lining for ductile iron pipe must meet which AWWA standard?

Accepted Answer

AWWA C213

Answer

AWWA C213 covers fusion-bonded epoxy coatings for the interior and exterior of steel water pipelines, and is referenced for ductile iron as well.

(AWWA) American Water Works Association Practice Test