Common pipe materials, fitting types, and their approved uses tested on plumbing licensing exams.
35 cards · basic cards · AI-written, checked twice. Edit anything.
- What is copper pipe most commonly used for in plumbing?
- Water supply lines and some drainage applications.
- What is the primary advantage of PVC pipe?
- It is inexpensive and easy to install.
- In what temperature range is PVC pipe typically approved for use?
- Up to 140 degrees Fahrenheit.
- What does CPVC stand for?
- Chlorinated Polyvinyl Chloride.
- What temperature rating does CPVC pipe have compared to PVC?
- CPVC is rated higher, up to 180 degrees Fahrenheit.
- What is PEX pipe commonly used for?
- Water supply lines and radiant floor heating.
- What is the main benefit of PEX pipe for installation?
- It is flexible and easy to bend around obstacles.
- What is galvanized steel pipe traditionally used for?
- Water supply lines in older installations.
- Why is polybutylene pipe no longer approved for water supply?
- It became brittle and degraded over time, causing leaks.
- What is cast iron pipe commonly used for in plumbing systems?
- Drain, waste, and vent lines.
- What type of fitting is used to change pipe direction by 90 degrees?
- A 90-degree elbow.
- What is a 45-degree elbow used for?
- To change pipe direction at a 45-degree angle, reducing turbulence.
- What is a tee fitting used for?
- To join three pipes together or split one line into two.
- What is a coupling fitting used for?
- To join two pipes of the same diameter end to end.
- What is a reducing coupling used for?
- To join two pipes of different diameters.
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