AWWA Equipment and Material Standards 3

Question 1

Which standard defines performance requirements for double check valve backflow prevention assemblies used in water service?

Accepted Answer

AWWA C510

Answer

AWWA C510 covers double check valve backflow prevention assemblies for water service applications.

Question 2

What does the AWWA C700 series of standards primarily address?

Accepted Answer

Cold-water meters

Answer

The AWWA C700 series covers cold-water meters for customer service, including displacement, turbine, and compound meters.

Question 3

Per AWWA C651, what is the minimum free chlorine residual required at the end of the disinfection contact period for new water mains?

Accepted Answer

10 mg/L

Answer

AWWA C651 requires a minimum 10 mg/L free chlorine residual maintained throughout the main after the disinfection period.

Question 4

AWWA C900 standard covers PVC pressure pipe intended for use in what size range?

Accepted Answer

4-inch through 12-inch

Answer

AWWA C900 covers PVC pressure pipe and fabricated fittings in 4-inch through 12-inch nominal diameter for water distribution.

Question 5

Which AWWA standard covers the manufacture of fiberglass pressure pipe used in water supply?

Accepted Answer

AWWA C950

Answer

AWWA C950 covers fiberglass pressure pipe for water distribution and transmission systems.

(AWWA) American Water Works Association Practice Test