Water Supply System [MWS]| Mock Rehearsals| Questions and Answers 2025
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Course
Mobile Water Supply
Institution
Mobile Water Supply
Water Supply System [MWS]| Mock
Rehearsals| Questions and Answers
2025
Chapter 14, Water Supply Systems Fundamentals of fire fighter skills and hazardous
materials response (fourth edition)
Describe the primary function of a water supply system in fire protection.
To provide a continuous...
Water Supply System [MWS]| Mock
Rehearsals| Questions and Answers
2025
Chapter 14, Water Supply Systems Fundamentals of fire fighter skills and hazardous
materials response (fourth edition)
Describe the primary function of a water supply system in fire protection.
To provide a continuous, reliable water source for fire suppression and prevention efforts
What are the three main components of a municipal water supply system?
Water source, treatment facility, and distribution system
What is the purpose of a water treatment facility in a water supply system?
To purify and disinfect water to meet health and safety standards
How does gravity aid in water distribution systems?
Gravity helps maintain pressure in elevated tanks, supplying water even during power
outages
Identify the two types of water mains in a distribution system.
Primary feeders and secondary feeders
1
, What is the primary difference between primary and secondary feeders in a water distribution
system?
Primary feeders are large pipes that transport large volumes of water to key areas, while
secondary feeders distribute water from primary mains to smaller areas
How does a grid or loop system benefit a water distribution network?
It provides multiple paths for water flow, improving reliability and maintaining pressure
In fire protection, why are hydrants typically installed on distribution mains rather than on
smaller service lines?
Distribution mains provide higher flow rates and are less susceptible to pressure loss than
smaller service lines
What is the purpose of a dry-barrel hydrant in cold climates?
To prevent the hydrant from freezing by keeping water below ground until it is activated
Explain the function of a backflow preventer in a water supply system.
It prevents contaminated water from flowing back into the clean water supply
Describe two disadvantages of using natural water sources (e.g., rivers or lakes) for fire
protection water supplies.
They may have inconsistent water levels and may require filtration to remove contaminants
2
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