Water Supply

Front 1

Pump unit, pressure tank, air volume control, pressure switch, relief valve, foot valve are the...

Back 1

6 components of a private water system

Front 2

What is the correct ratio of water to air in a standard pressure tank

Back 2

1/3 air 2/3 water

Front 3

A standard galvanized pressure tank that has lost its air charge is said to be?

Back 3

Water logged

Front 4

A standard galvanized pressure tank thay contains 33.3% air and 66.6% water will release 20% of its water before the pump starts again. What is this water called

Back 4

Draw off, usable water

Front 5

Two most common air volume control

Back 5

Float and diaphragm

Front 6

The electrical device that turns the pump on and off is called

Back 6

Pressure switch

Front 7

What is the vertical lift check valve used on the suction end of the piping in the well called

Back 7

Foot valve

Front 8

A pressure expressed in terms of height of water column in feet best defines

Back 8

Head

Front 9

A measurement expressed in units of weight per area such pounds per square inch best defines

Back 9

Pressure

Front 10

How does a pump work

Back 10

By creating a negative pressure on the inlet side of the pump which allows atmospheric pressure to force water into the suction line

Front 11

One pound of pressure will lift a column of water how many feet

Back 11

2.31 feet

Front 12

To convert feet of head to psi multiply by

Back 12

.433

Front 13

4 types of pressure tanks

Back 13

Standard galvanized, floating disc, diaphragm and bladder

Front 14

True or false an air volume control is used on a bladder type pressure tank

Back 14

False

Front 15

What style tank is there no contact between the water and the tank

Back 15

Bladder

Front 16

Discharge piping, suction pressure, pump capacity, two pump systems and type of pump make up the

Back 16

Steps for selecting a private water system

Front 17

What does PSI mean

Back 17

Pounds per square inch

Front 18

What does USgpm mean

Back 18

US gallons per minute

Front 19

What does Igph mean

Back 19

Imperial gallons per hour

Front 20

What does Lpm mean

Back 20

Liters per minute

Front 21

List two things that will happen if the wire size to the pump is too small to meet the power requirements

Back 21

Expected life of the electric motor will be reduced and electrical energy will be lost in the form of heat in the feeder circut

Front 22

List two reasons why a well must be protected from surface water

Back 22

Freezing and contaminants

Front 23

What to do when you notice a reduction in the amount of available water and scale on plumbing fixtures

Back 23

Well should be acidized by licenced well drilled

Front 24

How is a pump able to lift water from the well

Back 24

By creating a partial vacuum in the pumping chamber

Front 25

How does the diameter of a well affect pumping capacity

Back 25

By limiting the size pump you can install

Front 26

What is the maximum theoretical lift of a centrifical pump used as a suction pump

Back 26

Close to 34 feet

Front 27

Why is a jet pump capable of greater suction lift than a centrifugal pump

Back 27

They are better at developing negative pressure than centrifugal pumps

Front 28

What is the difference between a shallow well and deep well

Back 28

Depth to the pumping level of the well

Front 29

How does the altitude of a pump installation affect pump selection and installation methods

Back 29

Higher elevations do not have as much atmospheric pressure

Front 30

How does friction loss affect the use of a suction pump

Back 30

By reducing the amount of work done by atmospheric pressure

Front 31

What condition may cause cavitation for a centrifugal pump

Back 31

Pump is working at maximum lift capacity

Front 32

Why are centrifugal pump suction lines installed with positive grade from the well to the pump inlet

Back 32

For better elimination when priming

Front 33

How may drawdown in a well affect an aquifer

Back 33

Drawdown can allow the aquifer to start releasing sand

Front 34

Why should pump capacity be matched to well capacity

Back 34

To prevent aquifer problems from developing

Front 35

When is a well considered to be deep well

Back 35

Pumping level is deeper than 24 feet

Front 36

Why are some jet pumps convertible jet pumps

Back 36

The jet assembly can be removed from the pump and placed in the well

Front 37

What type of piston pumps can be offset from the top of a well

Back 37

Shallow well piston

Front 38

Which pumps may produce enough pressure to damage a pressure system

Back 38

Reciprocating and submersible pumps

Front 39

What are helical screw pumps usually used for

Back 39

Pumping slurries and sludges

Front 40

When a shut off valve is placed on a tank tee for resi installation which side of the tank tee should it be placed on

Back 40

Outlet of the tank

Front 41

What is the pressure output of a submersible pump impeller stage

Back 41

9 psi per stage

Front 42

Why does a submersible pump require a check valve at its outlet

Back 42

To stop water from draining out of the drop pipe through the pump

Front 43

What types of impellers are used on centrifugal pumps

Back 43

Closed, semi-closed and open

Front 44

What device is used on the outlet of two pipe jet pumps to allow the pump to produce the most water possible

Back 44

Flow control fitting or valve

Front 45

1" Hg is equil to what feet of lift

Back 45

1.13 ft of lift

Front 46

Minimum pressure tank size for farm use

Back 46

42 gallon pressure tank

Front 47

How many times should a pump cycle in an hour

Back 47

No more than 25 times per hour or every 2.4 minutes

Front 48

How much water does one person need in a day

Back 48

60 US gal or 230 L

Front 49

Why does the amount of water needed by hogs very so greatly

Back 49

Gender, size and lactating status create various demands

Front 50

What is the rule of thumb for sizing sprinkler lines based on national fire protection standard 13 D

Back 50

3/4 inch line for one head 1" for 2

Front 51

How is freeze protection provided for a cistern that cannot be buried deep enough

Back 51

By placing insulation suitable for the purpose over the tank

Front 52

Why does a buried cistern require a vent line

Back 52

The vent allows the cistern to operate under atmospheric pressure conditions

Front 53

When an uncoated cistern is filled you observe the water level has lowered even tho no water has been used. What caused this

Back 53

Uncoated concrete is porous and will allow water to soak into it

Front 54

Why is the vent terminal of a cistern arranged to point back toward ground

Back 54

So precipitation cannot enter the vent

Front 55

Why is drinking water with no additional treatment rarely collected from lakes

Back 55

The water may appear to be clean but could be contaminated by animals

Front 56

Why are water intakes placed at various levels in a lake

Back 56

To allow an operator to collect the cleanest water during periods where the lake is frozen

Front 57

How are springs classified into 3 different categories

Back 57

By how the water from the spring comes to the grounds surface

Front 58

When placing an inpoundment box over a spring to provide water for collection how is the spring prepared

Back 58

With as little disturbance as possible to the opening

Front 59

What factors influence waters ability to disolve soluble material

Back 59

Solubility of material, time of contact, ph of water and temperature of water

Front 60

How does a well screen filter material out of water coming from an consolidated aquifer

Back 60

It relies on bridging of larger material near the screen to filter finer material

Front 61

What is well development

Back 61

The cleaning of an aquifer by a drill rig to ensure the well water is as clean as possible

Front 62

How are wells generally sorted by their type

Back 62

By the type of equiptment used to make them

Front 63

Firefighting water minimum volume and time

Back 63

1200 ig for 2 hours

Front 64

5 types of wells

Back 64

Drilled, jetted, driven, dug and board

Front 65

What is the most viable alternative to a water well for farm water supplies

Back 65

Dugout

Front 66

When would a 2 pump system be used for a private water supply

Back 66

When a well can not supply enough water for peak demand

Front 67

What is the purpose of each pump in a two pump system

Back 67

Pump 1 fills the cistern from the well pump 2 moves the water from cistern to point of use

Front 68

POU meaning

Back 68

Point of use

Front 69

POE meaning

Back 69

Point of entry

Front 70

Pressure tanks should be sized to prevent the pump from cycling more than

Back 70

25 times an hour

Front 71

What is the ideal pressure differential between cut in and cut out in a pressure tank

Back 71

20psi

Front 72

Who should complete the electrical connection within a private water system

Back 72

Electrician

Front 73

What legislation lists what is considered as household activities for licensing purposes for a private water system

Back 73

Water act of 1999

Front 74

An activated carbon filter removes

Back 74

Taste and odour

Front 75

Iron can be removed by

Back 75

Water softner, iron filter, polyphosphate

Front 76

On average how many gallons does a person consume (personal use)

Back 76

1 gallon

Front 77

What is the color of the perfect PH

Back 77

Phenal red

Front 78

What is the ideal ph level

Back 78

7.6

Front 79

1 GPG=

Back 79

17.1 ppm

Front 80

Which filtration process is effective in removing bacteria

Back 80

Distillation

Front 81

If you are going to bury a tank in a very acidic or alkaline soil what type of tank would you use

Back 81

Coated

Front 82

What percentage of the planets water are fresh lakes, rivers and streams

Back 82

2.5%

Front 83

The path water takes as it moves through the environment best describes

Back 83

The hydrological cycle

Front 84

What is water considered to be

Back 84

Universial solvent

Front 85

True or false: Water chemistry can change weather the supply is surface, well or municipal

Back 85

True

Front 86

True or false: well water 5 feet appart can be entirely different

Back 86

True

Front 87

Which water supply may require treatment

Back 87

Well, surface and municipal

Front 88

True or false: water should be tested only after installing equipment

Back 88

False

Front 89

A minimum water analysis should always include

Back 89

Hardness, iron, TDS and Ph

Front 90

17.1 mg/l= ? Ppm

Back 90

17.1 ppm

Front 91

What represents total hardness

Back 91

Calcium and magnesium

Front 92

Water sample test at 4gpg is what degree of hardness

Back 92

Moderately hard

Front 93

True or flase: hydrogen sulfide has a smell of rotten eggs

Back 93

True

Front 94

True or false: iron bacteria can be treated with an iron filter

Back 94

False

Front 95

The most common impurity found in water is

Back 95

Hardness

Front 96

A ph level of 7.0 is considered to be

Back 96

Neutral

Front 97

For bacterial tests or if a water source is suspected of containing coliform bacteria a sample must be submitted to

Back 97

A goverment approved lab

Front 98

Which filtration process is effective in removing bacteria, cysts, some chemicals, color and odor problems

Back 98

Distillation

Front 99

Scale in water heaters and piping is caused by which impurity

Back 99

Hardness