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Grade 9 Grade 11 College Continuing Education

Continuing Education Plumbing Questions

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Continuing Education Plumbing
What is the most reliable connection for copper water supply lines?
  1. Compression connection
  2. Flare connection
  3. Soldering
  4. Welding
Continuing Education Plumbing
When measuring for PVC fittings, always measure from
  1. inside to inside of fitting.
  2. outside to outside of fitting.
  3. left to right of the fitting.
  4. right to left of the fitting.
Continuing Education Plumbing
The taper on NPT threads allows them to
  1. be flexible.
  2. prevent cross threading.
  3. withstand more pressure.
  4. form a seal when torqued.
Continuing Education Plumbing
Air Admittance Valves are certified to reliably open and close a minimum of
  1. 100,000 times.
  2. 200,000 times.
  3. 400,000 times.
  4. 500,000 times.
Continuing Education Plumbing
The inside of fittings used in a DWV system must be
  1. filed.
  2. coated.
  3. smooth.
  4. back welded.
Continuing Education Plumbing
Continuing Education Plumbing
Which joining procedure is used for plastic pipe on a natural gas service?
  1. Brazing
  2. Threading
  3. Thermal Fusion
  4. Solvent Welding
Continuing Education Plumbing
What color is schedule 40 PVC pipe?
  1. Black
  2. White
  3. Grey
  4. Yellow
Continuing Education Plumbing
Continuing Education Plumbing
Continuing Education Plumbing
Continuing Education Plumbing
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