Plumber and Pipefitter 1

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Author:
clainez27
ID:
190173
Filename:
Plumber and Pipefitter 1
Updated:
2012-12-19 01:52:43
Tags:
Pipe
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  1. Name four metals that are used extensively in the piping industry.
    Steel, Stainless Steel, Aluminum, Copper.
  2. Name a ferrous and a nonferrous metal.
    • Ferrous-iron and iron based metals.
    • Various steels, and Stainless steels

    Nonferrous- Aluminum, brass, copper
  3. What is the smallest bend radius to which a 3/4
                                                                          in. diameter pipe can be bent?
    3 3/4 inch "
  4. All aluminums are alloys. What are some of the alloying metals?
    • Alloys of Copper
    • Alloys of Iron
    • Alloys of Lead
    • Alloys of Nickel
  5. Name the four types of rigid copper. 
    1.Type K:-heaviest-used for underground work

    2.Type L: medium weight-used for interior plumbing work

    3.Type M: lightweight-where permitted also used for interior work.

    4.Type DWV: thinner than type M-used only for vent,waste,and drainage pipe: forbidden in some areas.

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