2.1

Question 1

The water supply system in a building carries cold and hot water through distribution pipes and delivers it to the plumbing ____________.

Answer 1

fixtures

Question 2

MAIN PARTS OF A WATER SUPPLY SYSTEM

also known as WATER SERVICE, which is a large water supply that carries potable water or other water source from the district or city water system to the building.

Answer 2

building supply

Question 3

Required by most district water supply systems to measure and record the amount of water used. It may be placed in a meterbox located in the ground near the street or inside the building.

Answer 3

meterbox

Question 4

A large pipe, serving as the principal artery of the water supply system. It carries waterthrough the building to the furthest riser. It is typically located in a basement, in a ceiling, in a crawl space, or below the concrete floor slab.

Answer 4

building main

Question 5

A water supply pipe that extends verticallyin the building at least one story and carries water to fixture branches. It is typically connected to the building main and runs vertically in the walls or pipe chases.

Answer 5

riser

Question 6

A water supply pipe that runs from the riser or main to the fixture being connected. It is any part of a piping system other than a riser or main pipe. They supply the individual plumbing fixtures and run in the floor or in the wall behind the fixtures.

Answer 6

fixture branch

Question 7

It runs from the fixture branch to the fixture,the terminal point of use in a plumbing system. A shut-off valve is typically located in the hot and cold water supply at the fixture connection.

Answer 7

fixture connection

Question 8

________________________

Hot and cold water distribution pipes are installed parallel to one another, conveying hot and cold water to ________ and ________ pipes. Running pipes parallel with building walls and floors arrange pipes in an organized manner.

Answer 8

Rigid - Pipe Distribution Configuration

risers, branch

Question 9

Hot and cold pipes should be spaced at least ___________ apart or have insulation placed betweenthem to prevent heat interchange

Answer 9

6 in. (150 mm)

Question 10

A branch supplying water to two or more fixtures is called a ________. A zone can supply one or many fixtures on one floor or on a few floors. Fixtures are typically located in clusters called _________.

Answer 10

zone, groups

Question 11

There are times when the width of a wall needs to be increased to allow for pipes running horizontally to pass by drainage pipes (or other pipes) running vertically. These walls called _________________.

Answer 11

plumbing walls

Question 12

This system consists of a plastic or metal plumbing manifold and flexible plastic piping. The manifold serves as a common location from which all the plumbing fixtures are supplied.

_________________ have two separate chambers: the coldwater chamber is supplied from the main water supply line and the hot water chamber is fed from the waterheater

Answer 12

Homerun (Manifold) Distribution Configuration

Question 13

A water line dedicated to each _______ originates at a port in the manifold and extends to the individual _____, so fewer fittings are required. Some manifolds offer _____________ so each fixture can be turned off individually at the manifold.

Answer 13

Homerun ( Manifold ) Distribution Configuration

fixture 2x, shut-off valves

Question 14

Homerun configurations typically use cross-linked _____________ (PEX) or composite ____________ piping,which is suitable for cold and hot water use. Becauseof the flexibility of PEX, there is less of a need for piping _________ and elbows.

Answer 14

polyethylene, PEX - AL - PEX, tees