AWWA Technical Standards and Specifications 3

Question 1

AWWA C502 covers which type of fire protection appurtenance?

Accepted Answer

Dry-barrel fire hydrants

Answer

AWWA C502 establishes design and performance requirements for dry-barrel fire hydrants, which are the type used in climates subject to freezing.

Question 2

What is the purpose of the AWWA C153/A21.53 standard?

Accepted Answer

Compact fittings for ductile iron and gray iron pipe

Answer

AWWA C153/A21.53 covers ductile-iron compact fittings that are shorter and lighter than full-body fittings, reducing installation space and cost.

Question 3

According to AWWA C200, what is the minimum yield strength required for steel pipe used in water transmission?

Accepted Answer

30,000 psi

Answer

AWWA C200 specifies a minimum yield strength of 30,000 psi for steel cylinder pipe used in water transmission and distribution.

Question 4

AWWA C510 provides requirements for which valve type commonly used to isolate water mains?

Accepted Answer

Double-check valve assemblies

Answer

AWWA C510 covers double-check valve assemblies (DCVA) used to prevent backflow and protect potable water supplies from contamination.

Question 5

Under AWWA C111/A21.11, what type of joint is specified for ductile iron pipe connections in buried service?

Accepted Answer

Push-on joint with rubber gasket

Answer

AWWA C111/A21.11 covers rubber-gasket joints for ductile iron pipe, where a push-on (bell-and-spigot) joint seals via compression of an elastomeric gasket.

(AWWA) American Water Works Association Practice Test

(AWWA) American Water Works Association Practice Test

AWWA Technical Standards and Specifications 3