PLUMBING

Question 1

wastewater generated from wash hand basins etc. which can be recycled. Also known as sullage

Answer 1

grey water

Question 2

wastewater containing fecal matter and urine. Also known as foul water of sewage

Answer 2

black water

Question 3

heavily treated water

Answer 3

hard water

Question 4

almost fresh to lightly treated water

Answer 4

soft water

Question 5

water coming from bodies of water except seas and oceans

Answer 5

fresh water

Question 6

water coming from seas and ocean

Answer 6

salt water

Question 7

water in contact w/ the ground surface

Answer 7

surface run-off water

Question 8

water found on the aquifers or waterbed

Answer 8

groundwater

Question 9

water coming from the springs

Answer 9

mineral water

Question 10

water that has many of its impurities removed through distillation

Answer 10

distilled water

Question 11

water that is mechanically filtered or processed to be cleaned for consumption

Answer 11

purified water

Question 12

water coming from the tap of the fixtures

Answer 12

tap water

Question 13

water w/ presence of contaminants

Answer 13

contaminated water

Question 14

water w/ presence of pollutants

Answer 14

polluted water

Question 15

supply of purified water to a community

Answer 15

water supply

Question 16

a hole drilled or bored into the earth to obtain water, petroleum or natural gas

Answer 16

well

Question 17

a geological formation containing or conducting groundwater (capable of providing water in usable quantities)

Answer 17

aquifer

Question 18

a well in which water rises from under pressure from a permeable stratum overlaid by impermeable rock

Answer 18

artesian wall

Question 19

a reservoir or tank for storing and holding water (rainwater)

Answer 19

cistern

Question 20

water fit for human consumption

Answer 20

potable water

Question 21

the act or process of making water more potable or useful by purifying etc.

Answer 21

water treatment

Question 22

a natural or artificial place where water is collected and stored for use (water supplying a community)

Answer 22

reservoir

Question 23

tower into which water is pumped to a height sufficient to maintain a desired pressure for distribution to customers or firefighting

Answer 23

water tower

Question 24

a main pipe or conduit through which a public or community water systems conveys water to all service connections

Answer 24

water main

Question 25

a valve controlling the flow of water or gas from a main to a service pipe

Answer 25

corporation stop or cock

Question 26

a control valve for shutting off the water supply to a building in case of an emergency

Answer 26

curb cock or curb stop

Question 27

a vertical enclosure w/ removable cover providing access to a curb cock. also known as buffalo box

Answer 27

curb box

Question 28

a pipe connecting a building to a water or gas main, usually installed by or under the jurisdiction of a public utility

Answer 28

service pipe

Question 29

any valve for shutting off the flow the flow of water or gas from a supply pipe

Answer 29

shut off valve

Question 30

a device for measuring and recording the quantity of water that passes through a pipe

Answer 30

water meter

Question 31

water supply system in which water is distributed from a water main or an enclosed storage tank under pressure from compressed air

Answer 31

upfeed distribution system or pneumatic water supply

Question 32

an apparatus that removes calcium and magnesium salts from hard water by ion exchange in order to give the water more efficient sudsing ability w/ soap

Answer 32

water softener

Question 33

water is pumped into a large tank on top of the building and is distributed to the fixtures by means of gravity

Answer 33

downfeed/overheadfeed system

Question 34

any member of a piping system other than main, riser or stack

Answer 34

branch

Question 35

a vertical pipe, conduit or duct in a utility system

Answer 35

riser

Question 36

a principal pipe, conduit or duct in a utility system

Answer 36

main

Question 37

an expansion joint of pipe and its fittings permitting thermal expansion to occur a long run of hot water piping

Answer 37

expansion bend/loop

Question 38

a threaded exterior for attaching a garden hose

Answer 38

hose bibb/ hosecock/ sillcock

Question 39

a device for controlling the flow of a liquid from a pipe by opening or closing an orifice

Answer 39

faucet/spigot/tap

Question 40

designed to be attached to or hung from a wall

Answer 40

wall-hung

Question 41

a flush toilet that uses no more than 1.6 gallons (6L) of water per flush

Answer 41

low-flow toilet

Question 42

fixture consisting of a ceramic bowl w/ a detachable, hinged seat and lid and a device for flushing w/ water

Answer 42

water closet/toilet

Question 43

valve that supplies a fixed quantity of water to fixtures for flushing purposes when actuated by direct water pressure

Answer 43

flushometer valve

Question 44

a compartment in a water system containing air that elastically compresses and expands to equalize the pressure and flow of water in the system

Answer 44

air chamber

Question 45

an outlet, pipe or receptacle for excess liquid

Answer 45

overflow

Question 46

a flow of a liquid opposite to the usual or desired direction

Answer 46

back flow

Question 47

a backflow of used or contaminated water from a plumbing fixture into a pipe supplying potable water due to negative pressure in the pipe

Answer 47

back-siphonage

Question 48

a valve preventing flowing liquid such as sewage from reversing its direction

Answer 48

backwater valve/backflow valve

Question 49

a cylindrical trap close on the bottom and having a cover plate for access, usually installed on the drain line from a bathtub

Answer 49

drum trap

Question 50

a toilet bowl in which the flushing water enters through the rim and siphonic action initiated by a water jet draws the contents of the bowl through the trapway

Answer 50

siphon-jet

Question 51

a toilet bowl similar to the siphon jet but having a smaller water surface and trapway

Answer 51

reverse trap

Question 52

similar to siphon jet but having the flushing water directed through the rim to create a vortex that scourts the bowl

Answer 52

siphon-vortex

Question 53

toilet bowl having a simple washout action and emptying through a small, irregular passage

Answer 53

wash down

Question 54

any device controlling or stopping the flow of liquid or gas by a movable part that opens partially obstructs or shuts a passage etx

Answer 54

valve

Question 55

a valve with a globular body closed by a disk seating on an opening in an internal wall

Answer 55

globe valve

Question 56

a shutoff valve closed by lowering a wedge shaped gate across the passage

Answer 56

gate valve

Question 57

a globe valve having an outlet at a right angle to the inlet

Answer 57

angle valve

Question 58

a washerless valve opened by aligning holes in a disk, cylinder or ball

Answer 58

alignment valve

Question 59

valve permitting a liquid or gas to flow in one direction only

Answer 59

check valve

Question 60

the extension of a soil or waste stack above the highest horizontal drain connected to the stack

Answer 60

stack vent

Question 61

a vent the provides circulation of air between a drainage and a venting system by connecting a vent stack to a horizontal drain between the first fixture and the soil or waster stack

Answer 61

relief vent

Question 62

a circuit vent that loops back and connects with a stack vent instead of a vent stack

Answer 62

loop vent

Question 63

single vent serving two fixtures drains connected at the same level

Answer 63

common vent

Question 64

a vertical vent installed primarily to provide circulation of air to or from any part of a drainage system

Answer 64

vent stack

Question 65

a vent connecting a fixture drain to a main or branch vent

Answer 65

individual vent

Question 66

vent serving two or more traps and extending from in front of the last fixture connection of a horizontal branch to the vent stack

Answer 66

circuit vent

Question 67

vent installed on the sewer side of a trap

Answer 67

back vent

Question 68

vertical vent formed by a continuation of the drain line to which it connects

Answer 68

continuous vent

Question 69

a vertical soil pipe

Answer 69

soil stack

Question 70

vertical waste pipe

Answer 70

waste stack

Question 71

a device (a type of trap) designed to intercept most greases and solids before they enter a wastewater disposal system.

Answer 71

grease trap

Question 72

is that unit of plumbing system that conveys rain or storm water to a suitable pipe.

Answer 72

storm drain

Question 73

also known as water conductor or downspout

Answer 73

roof leader

Question 74

is a device or receptacle at the ground which catches the rain water from the roof that runs to the downspout.

Answer 74

catch basin

Question 75

On a long vertical soil pipe a relief vent is installed at 3 to 5 floor intervals.

Answer 75

yoke/bypass vent

Question 76

water treatment methods

Answer 76

- coagulation and flocculation - sedimentation - filtration - disinfection