Faucets And Flushometers

Front 1

Which style faucet requires the most maintenance ?

Back 1

Washer

Front 2

Which type of faucet is least likely to to be used in a residential application?

Back 2

Electronic

Front 3

Which 2 styles of faucets use seals held in place with the aid of a spring to prevent water leakage through the faucet ?

Back 3

Washerless and Ball

Front 4

What is the advantage of using a plastic nut and washer rather than a steel nut and washer for fastening a two handle faucet to the fixture?

Back 4

If the faucet leaks the plastic one will not deteriorate like the metal ones.

Front 5

What is attached to a shower valve to aid in the correct positioning of the valve?

Back 5

Plaster guard

Front 6

What does the Bibb washer close against in most washer style faucets?

Back 6

Brass Seat

Front 7

Why is important that the Bibb washer fit into the retaining cup on the faucet stem?

Back 7

Retaining cup may split or expand upon tightening or , when the Bibb washer is compressed during usage, causing damage to the stem or internal damage to the faucet.

Front 8

In what two configurations are Bibb washers manufactured?

Back 8

Flat and Bevel

Front 9

What does the Bibb washer close against in most washer style faucets?

Back 9

Brass Seat

Front 10

How can you tell if the brass seat in a washer style faucet is replaceable?

Back 10

Hexagonal or square opening

Front 11

What causes wire drawing of a brass seat?

Back 11

Fine spray of water passing between the Bibb washer and surface of the brass seat

Front 12

What is used to direct water flow from the kitchen faucet to the vegetable spray?

Back 12

A diverter

Front 13

Pliers should not be used on what surfaces?

Back 13

Chrome or special finishes

Front 14

Code stipulates that shower valves must be restricted to what max Flow temperature?

Back 14

49•C or 129•F

Front 15

The cold water supply control must be on the _____ side and the hot water control on the ______ side

Back 15

Right

Left

Front 16

What are the three traditional types of flush valves used in urinals and water closets ?

Back 16

Diaphragm

Piston

Electronic

Front 17

What is the Min size of supply line required for metering flush valves on urinals?

Back 17

1/2”

Front 18

What is the minimum size of supply line for piston flush valves used on water closets ?

Back 18

1”

Front 19

What is the minimum supply pressure for piston or diaphragm flush valves for use on water closets?

Back 19

100kpa

Front 20

What is the minimum supply pressure for piston or diaphragm flush valves for use on urinals?

Back 20

100kpa

Front 21

Max pressure that a flush valve can be operated under?

Back 21

550KPA

Front 22

What size of outlet tube is required from a flush valve on a urinal ?

Back 22

3/4”

Front 23

What size of outlet tube is required from a flush valve for connection to a water closet ?

Back 23

1 1/2”

Front 24

What is used to signify the flush volumes of various diaphragms and piston assemblies ?

Back 24

Colour Code

Front 25

What is the likely cause if a diaphragm valve flushed too long or fails to shut off?

Back 25

Brass hike in diaphragm plug is dirty or plugged

Front 26

Why with a piston valve could there be too long a flush?

Back 26

Piston is not seated properly or the bypass orifice is clogged with foreign material

Front 27

Electronic flush valves are powered by what?

Back 27

Battery

Front 28

Name the 5 types of faucets?

Back 28

Standard or two handle

Single lever

Frost free

Metering

Electronic

Front 29

Standards or two handled faucets have separate control modules for ____________________________.

Back 29

Hot and cold water supplies to a common spout

Front 30

Single lever faucets use ______________ control mechanism to regulate the mixing of the hot and cold water supplies within the body of the faucet.

Back 30

One

Front 31

Single handle faucets rely on ____________ to both the hot and cold supply sides to maintain a ________________and _____ at the faucet outlet, and allow for the addition of ___________.

Back 31

Water pressure

Set temperature and pressure

Balancing mechanisms

Front 32

Frost free faucets ( hose bibs) characteristics

Back 32

Stem by length

Globe valve pattern

Compression type fitting

Front 33

What Best describes a metering faucet?

Back 33

Time delay or push button

Used spring activated cartridge

Used in commercial applications where small volumes of water are used for hand washing

Front 34

Electronic faucets characteristics

Back 34

Primarily for commercial applications

Does not require operator to touch the faucet

Infrared sensor detects user and opens a solenoid valve for predetermined amount of time

Battery powered or 24 volt

Hot and cold may be independently connected or supplied with a mixing valve

Front 35

What style of faucet required the most maintenance?

Back 35

Washer style

Front 36

Washerless style faucets have cartridges with openings that are turned to align passageways through the passageways and into the _________.

Back 36

Faucet outlet

Front 37

To seal washerless cartridges, _______________, _________, or ___________ are utilized.

Back 37

Spring loaded seats,

O-Rings

Ceramic discs

Front 38

In most ball style faucets there is no _________ of the seat rings.

The seat rings or gaskets are held against the ball under a uniform pressure by ______.

Back 38

Compression

Springs

Front 39

Cartridge style faucets must use a ___________ to prevent leakage of water from the faucet outlet.

Back 39

Gaskets

Front 40

Two handle faucet cartridge characteristics

Back 40

Easy cartridge to replace

Use alignment of openings in cartridge to control the flow of water to the faucet

Front 41

4 methods of water supply connection

Back 41

-chromed brass

-PEX

C) Flex

D) Swivel adapter

Front 42

What must be done when ceramic discs are damaged due to abrasive action of foreign materials ( sand) cuts grooves into the disc face?

Back 42

Replace the whole cartridge

Front 43

When O rings become worn or cracked , what must be done ?

Back 43

They must be replaced with the exact same size O ring

Front 44

What affects the flow of water through an aerator ? What should be done ?

Back 44

Calcium build up. Remove aerator and soak in vinegar

Front 45

Most showerheads contain ____________ devices

Back 45

Flow restricting devices

Front 46

A flush valve is a _________ device.

Back 46

Metering

Front 47

Piston flush valves are divided into _______ and _______ chambers with _______________ in both chambers when closed

Back 47

Upper

Lower

Equal water pressure

Front 48

What size water supply piping does a metering valve typically require?

Back 48

1/2”

Front 49

Volume of flush for a flush valve water closet is _________ or greater

Back 49

6 litres

Front 50

If a flush valve does not function and the relief valve is worn and sticking in up position, what must be done ?

Back 50

Replace piston

Front 51

If the length of flush is too long or flush valve fails to close off with a piston valve and it appears line pressure has dropped and is not sufficient to force relief valve to seat, what must be done?

Back 51

Shut off all control valves until line pressure has been restored , then reopen the valves.

Front 52

Do well.

Back 52

Take a piss first