Faucets & Flushometers

Front 1

Types of faucets

Back 1

Standard/two handle

Single lever

Frost free

Metering

Electronic

Front 2

What are faucets manufactured from?

Back 2

Most common is yellow brass.

Front 3

Frost free faucets are what kind of valve?

Back 3

Stem type

Front 4

Cross connection protection common in?

Back 4

Frost free valves

Front 5

What faucet would be used for small volumes of water?

Back 5

Metering faucet, think washing your hands

Front 6

How do metering faucets operate?

Back 6

With a spring operated cartridge

Front 7

Electronic faucets are found where and how are they typically powered?

Back 7

Commercial washrooms

Powered by batteries or 24V supply from a transformer

Front 8

Styles of faucets?

Back 8

Washer

Washer less

Ball

Cartridge

Front 9

Washer style faucet?

Back 9

Most maintenance

Relies on compression of a faucet or Bibb washer on a fixed or replaceable seat

Front 10

Washerless style faucets

Back 10

Two handle faucets that use cartridges that are sealed with seats and springs

Front 11

Ball style faucets

Back 11

Single handle

Lower maintenance costs as there is less ware and tear

Front 12

What is a crowfoot?

Back 12

Metal washer that may be flat and secures a two handle faucet

Front 13

4 water supply connections?

Back 13

Chromed brass, pex, flex, swivel adapter

Front 14

Washer style faucet components

Back 14

Spline, stem, bonnet seal, bib washer, brass seat

Front 15

Types of Bibb washers

Back 15

Beveled or flat made from neoprene

Front 16

How do you know if you can replace a brass seat?

Back 16

The hexagonal or square opening permits the seat to be removed

Front 17

What is wire draw?

Back 17

A stream of water that causes erosion to brass seat. Indication: dripping faucet

Front 18

How can you correct wire draw on a brass seat that cannot be removed?

Back 18

Known as dressing the face of the seat is grinder down until smooth again. If this cannot be achieved it will need to be replaced completely.

Front 19

Ceramic disk faucets are relatively trouble free until foreign material enters supply system…

Back 19

Sand from well water can cause damage to ceramic discs

Front 20

O-rings require____?

Back 20

Lubrication- they tend to leak on kitchen faucets due to the wear and tear

Front 21

Smooth wrench for flush meters and finished surfaces?

Back 21

Spud ya dud

Front 22

All shower valves must be?

Back 22

Pressure balancing or thermostatic mixing type

Front 23

Water temp?

Back 23

49C (120F)

Front 24

F=A x P

A= PieR2

Back 24

K

Front 25

Flush valve types?

Back 25

WC or Urinals- Piston and Diaphragm

Urinals ONLY- metering

Front 26

Operating pressure ranges for flush valves

Back 26

Min 15 psi

Max 85 psi

Front 27

Electronic flush valves use what type of sensors?

Back 27

Infrared

Front 28

Flush valves for urinals outlet size?

Back 28

3/4”

Front 29

Water supply piping size for metering valves (urinals) ?

Back 29

Min 1/2”

Front 30

Water supply sizing for diaphragm and piston valves (urinal)

Back 30

Min 3/4”

Front 31

Flush valves for WC?

Back 31

Piston and diaphragm

Front 32

Water supply sizing for flush valves (WC)

Back 32

1”

Front 33

Outlet tube size for wc

Back 33

1.5”

Front 34

WC volume of flush?

Back 34

Min 6L

Front 35

Vacuum breaker

Back 35

Vacuum breaker

Front 36

What causes a flush meter to continuously flush on a WC?

Back 36

Plugged bypass

Front 37

Flush tanks drain with what?

Back 37

Siphonage

Front 38

Min turning radius for barber free stall?

Back 38

1.5 M

Front 39

Toilet height for barber free

Back 39

460 mm

Front 40

What has an internal or external trap?

Back 40

Urinals