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Following maintenance on a water storage tank, the tank must be disinfected and a ___________ test must be performed. The bacteriological test must be negative before the tank is placed in service.
A valve that automatically stops water flow when water level in a storage tank reaches a predetermined level.
Classify the different types of public water systems.
The buildup of corrosion products on the inside of iron pipes is known as:
A form of localized corrosion caused by the electrical connection of two dissimilar metals.
Protecting steel pipe from external corrosion is best accomplished by:
The measure of the roughness of a pipe’s interior surface that retards flow due to friction. The higher the C value, the smoother the surface which results in less friction.