Water Distribution Bundled Exams with Complete Solution | Verified Answers | 2024

A noisy or vibrating valve may be an indication of what? - Cavitation The selective destruction or inactivation of pathogenic organisms is - Disinfection Pathogenic organisms can be removed from water, killed, or inactivated by - Filtration The most commonly used distribution system disinfection ...

Distribution systems are usually laid out in which of the following patterns besides Tree shaped and Grid designs? a. Loops and/or circular designs b. Vertical designs without backflow prevention devices c. Horizontal lines that flow into open ponds then back into a closed pipe d. Horizontal li...

What do water distribution system operators have the responsibility for? - The health and well-being of the community they serve Frequently the water supplier tries to maintain specific minimum target __________________ throughput the distribution system. - Water pressure (20 PSI minimum) All tr...

Head is measured in - feet A plat is - A map Which type of valve will prevent the collapse of a pipe - Air-and-vaccume relief valve The highest degree of protection of a coated steel pipe is - cathodic protection At which time of day is the age of the water stored in the distribution system the ...

Which process converts ammonia to nitrite and nitrate? - Nitrification What is the maximum advisable rate of chlorine gas removal from a 150- pound cylinder? - 40 pounds per day What is a type of positive displacement water meter? - Nutating- disk meter What is a power-operated mechanism for ope...