12 Questions
What is the main function of a gate valve?
Completely close or completely open the water line
Where is a globe valve best suited to be used?
Main supply and pump lines
What is the main purpose of a check valve?
Prevent reversal of flow in the line
How does an angle valve operate?
Makes a 90° turn in a line
What is the primary location for a foot valve?
Lower end of pumps
Which type of valve has a movable spindle to control water flow?
Globe valve
What type of valve is a 'Retention Valve' safety valve?
Check valve
How does a Compression Cock faucet operate?
By the compression of a soft packing upon a metal sheet
What is the main cause of 'Water Hammer' in water distribution systems?
Decelerating water causing pipes to shake
What does 'Back Siphonage' refer to in plumbing?
Flow of contaminated water from a plumbing fixture back into the water supply
What contributes to 'Friction Head Loss' in water distribution systems?
Friction between liquid and pipe enclosures
What leads to pipe expansion and contraction in water distribution systems?
Changing weather conditions causing temperature fluctuations
Learn about the function, rules regarding location, and types of valves used in water systems. Topics include controlling the water system, regulating pressure, backflow prevention, and different types of valves like Gate Valves.
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