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29 Cards in this Set
- Front
- Back
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The type of plastic that become soft when heated and hard when cooled is known in the trades as |
Thermaoplastic |
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The color of ABS DWV pipe is_________ And pvC DWV pipe is__________ |
Black and Gray |
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List the 5 advantages of plastic pipes over Faris pipes |
Resistant to chemicals, electronical rue Jean, corrosion resistance, smoothbore, absorbs shock, cheap, easy to join, light, easily pre fabricated, low absorption rate |
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List 3 disadvantages of plastic pipes compared to metal pipes |
High coefficient of expansion, low tensile strength, creep, deformation under load, low heat resistance, low ductility, and low fire resistance |
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Of the DWV pipes, the one with the highest temperature resistance is |
ABS |
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The plastic pipe used for underground gas lines is |
High density polyethylene |
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The minimum surface temperature recommended for solvent cement in plastic pipes and fittings is |
5ﾟC |
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Polypropylene pipes and fittings are____________ in color |
Brown |
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The type of plastic that is very similar to polypropylene____________and is ____________ in color. |
Proxylene |
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Nesting of pipe refers to |
Storage of pipe with smaller sizes inside larger pipe |
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Large diameter plastic sewer or water lines are usually____________joints |
Bell type |
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List 3 plastic type materials that are best suited for acid waste and vents |
Polyethylene, polypropylene, and proxylene. |
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The national plumbing code of Canada - 2010 requires that rigid plastic pipe must be supported____________ Flexible plastic pipe should be supported_____________ |
4', 30" |
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There are several different methods used to join plastic pipe and fittings with the use of heat name 3 of those methods |
But fusion welding, socket fusion welding, electric resistance fusion, hot air filet Weld. |
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Plastic acid waste pipes may be joined by___________and_____________ |
Fusion welds, acid resistance mechanical joints |
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The standard length of dwv pipe is______________feet. |
12 feet |
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______________ is/are used to check the temperature of the plastic for fusion welding. |
Temp sticks |
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The two types of plastic tube best suited for radiant panel heating are____________and_______________. |
Pex or pe/al/pe |
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Three types of plastic pipe approved for domestic water lines are: |
Pe,pex, or pe/al/pe. |
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The types of plastic pipe most suitable for hot water heating systems are_____________and_____________. |
Pex and pe/al/pe |
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When connecting plastic pipe with a threaded connection, the plastic must have the____________ thread. |
Mip |
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List three types of plastic that can be joined with solvent |
Abs, pvc and cpv. |
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The type of rays that can cause the deterioration of plastic is |
Uv |
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Solvent cement that starts to gel must___________________ and________________. |
Not be used and disposed of in a safe and proper manner. |
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Before butt welding plastic pipe and fittings, you must ensure that the |
Pipe ends are square |
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Before applying solvent cement on pvc and fittings, you must use |
Cleaner/ primer |
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The types of plastics that produce toxic gases are: |
PVC and cpvc |
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A 8 inch joint solvent cemented at a temperature of 10 degrees requires a cure time of_____to______ hours before it can be pressure tested. |
12 to 48 hours |
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what is used to keep plastic pipe round when threading |
A round wooden plug inserted into the pipe and |
