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Module 6 Trade Terms

Horizontales
____ pipe changes chemically when heated, so that once hardened by heat or chemicals, it is hardened permanently.
To ____ joints, plumbers apply solvent cement to the pipe end and the inside of the fitting end, which temporarily softens the joining surfaces.
Pipe with ____ construction consists of a single layer of plastic that does not contain trapped air in the form of solid foam.
____ has a bell on one end with and internal seal.
Pipe with ____ wall construction is more lightweight and less expensive than solid wall pipe.
When softened, ____ can be molded into desired shapes.
Prior to applying solvent cement to plastic pipe, use an applicator to apply two coats of ____ to the pipe socket to ensure that it has softened thoroughly.
Vertical hangers, also called pipe ____ , provide vertical support for pipes and tubing.
____ pipe will not deteriorate when exposed to ultraviolet light, so you can install it outdoors without a protective covering.
____ are tables relating pipe wall thicknesses to pipe pressure ratings.
____ pipe performs well at extreme temperatures because it absorbs heat and cold slowly.
A(n) ____ means that the fit tightens as the pipe is pushed into the fitting socket.
For a given SDR, the ratio between a pipe's ____ and it's wall thickness is constant for each pipe size.
A sudden change in water pressure due to stopping a moving mass of water is called a ____.
To form joints using ____, you must heat the accessories to the manufacturer's specs and press them together.
____ gasket fittings have a rubber O-ring or gasket in the socket.
Plastic is chemically ____; it does not react with other substances or materials.
____ is a rigid pipe with high-impact strength that is manufactured from a thermoplastic material and has an indefinite life span under most conditions.
Verticales
A(n) ____ heats and cools by circulating water or steam through a closed piping system.
Plumbers commonly use ____ for manifold plumbing distribution systems because of its flexibility.
Techniques for joining PE that use compression ____ are becoming popular because they require less training than heat fusion.
After reaming cut pipe, ____ the edges to remove burrs, shoulders, and ragged spots.
After completing an installation, you must perform a ____ pressure test on the system by filling it with water and bleeding all air out from the highest and farthest points in the pipe run.
The pressure that a pipe can withstand continuously, called the ____, is required on the pipe's label.
The molecular structure of ____ pipe practically eliminates condensation in the summer and heat loss in the winter, decreasing the likelihood of costly drip damage to walls or structure.
A(n) ____ fitting allows threaded plastic pipe to be connected to steel pipe.
A rubberized material that is often used for gaskets is described as ____.
A pipe's pressure rating is measured in ____.
The ____ are the ratios of pipe outer diameters to their wall thicknesses.
Pipe can be measured by its ____, which is the distance between its inner walls.
Because it has been known to become weak and fail without warning in previous installations, ____ pipe is no longer available for installation today.