ICA Module 2 Section 5

Question 1

PB (Polybutylene) & PE (Polyethelene) piping is used underground. T/F

Answer 1

True

Question 2

Propane tanks minimum __ feet from windows

Answer 2

5 feet

Question 3

A propane tank can be by house if it is under how many gallons?

Answer 3

125

Question 4

Propane tanks 125-500 gallons must be at least ___feet away from house.

Answer 4

10 feet

Question 5

Propane tanks 501-2000 gallons must be at least __feet away from house.

Answer 5

25 feet

Question 6

Propane tanks should be ___ to house

Answer 6

parallel

Question 7

CSST pipe is supported every __ feet

Answer 7

4

Question 8

Propane tank galvanized or black iron pipe:
1/2” supported every __ feet
3/4” supported every __ feet
1 1/4” supported every __ feet

Answer 8

1/2” supported every 6 feet
3/4” supported every 8 feet
1 1/4” supported every 10 feet

Question 9

Propane tank metal gas pipe copper (horizontal)
1 1/4” or less support __ feet
over 1 1/4 support __ feet

Answer 9

1 1/4” or less support 6 feet
over 1 1/4 support 10 feet

Question 10

Water heater piping must have union fittings within __ feet of water heater

Answer 10

5 feet

Question 11

TPR (Temperature & Pressure Relief) is 3/4” & must be within ___” of floor

Answer 11

24 inches

Question 12

TPR valve is an _____ _____ _____

Answer 12

Emergency Relief Valve

Question 13

There should always be metal pipe nipples at least 6” long coming off water heater. T/F

Answer 13

True

Question 14

Gas tankless water heaters need __ to __” clearance to combustion.

Answer 14

8 to 12”

Question 15

Gas piping materials include:

Answer 15

black iron, galvanized, aluminum, copper, brass, CSST, Flexible appliance connectors

Question 16

Water temperature should be max__ degrees.

Answer 16

120 degrees

Question 17

Toilet clearances:
___ inches minimum from wall to wall
___ inches minimum from center of toilet to wall
___ inches minimum from front of toilet to door or wall

Answer 17

30 inches minimum from wall to wall
15 inches minimum from center of toilet to wall
21 inches minimum from front of toilet to door or wall

Question 18

Minimum shower size stall

Answer 18

30”x30”

Question 19

Any flame or spark device water heater must be minimum __inches above garage floor if in garage.

Answer 19

18

Question 20

Gas/Propane water heaters single wall vent __inch clearance to combustibles, double wall vent __inch clearance.

Answer 20

single wall vent 6 inch clearance to combustibles, double wall vent 1 inch clearance.

Question 21

Oil water heater single wall __” clearance from combustibles. Double wall __” clearance from combustibles.

Answer 21

single wall 9” clearance from combustibles. Double wall 3” clearance from combustibles.

Question 22

Water heaters last:

Answer 22

10-12 years

Question 23

Cast iron in 5’ segments is supported every 5 feet. Cast iron in longer segments supported every 10 feet. T/F

Answer 23

True

Question 24

Support copper pipe every __ feet horizontal

Answer 24

10 feet

Question 25

Support galvanized steel pipe every __ feet horizontal

Answer 25

12 feet

Question 26

Plastic pipe support: PVC every ___ feet ABS every ___ feet

Answer 26

PVC every 4 feet ABS every 4 feet

Question 27

Waste pipe minimum slope: 3" diameter or less 1/4" per foot 3" diameter or more 1/8" per foot True/False

Answer 27

True

Question 28

Water pressure should be between ___&___ psi

Answer 28

30 & 80m psi

Question 29

All waste drain systems need cleanout within __feet of building entrance

Answer 29

5

Question 30

Running all fixtures in same bathroom at once is called:

Answer 30

Functional Flow

Question 31

Drainage & Vent Materials:

Answer 31

Cast Iron, Galvanized Steel, PVS, ABS, Brass, Copper, Lead, Vitrified Clay

Question 32

PVC/ABS Plastic colors: PVC- ABS-

Answer 32

PVC-White ABS-Black

Question 33

Vents should terminate _feet away & _feet above operable window & _feet away from wall.

Answer 33

10 feet away & 2 feet above operable window & 1 feet away from wall.

Question 34

Plumbing vents can tie into an attic & can't have condensate drains connected to them. T/F

Answer 34

True

Question 35

Galvanized steel or brass pipe 1 1/4" or less supported every _feet 1 1/2" diameter & up every _ feet

Answer 35

1 1/4" or less supported every 10 feet 1 1/2" diameter & up every 12 feet

Question 36

Plastic pipe support (horizontal) CPVE & PVC every _ feet

Answer 36

4

Question 37

PEX (flexible) supported every _ feet

Answer 37

32

Question 38

Back flow preventer is:

Answer 38

one way valve on a burner

Question 39

PEX for:

Answer 39

Hot & Cold Water

Question 40

HDPE __ water only

Answer 40

cold

Question 41

HDPE used for ___ & ___ systems

Answer 41

mains & sprinkler systems

Question 42

HDPE, black pipe for water & yellow for natural gas. T/F

Answer 42

True

Question 43

Copper touching galvanized steel causes:

Answer 43

corrosion

Question 44

Dielectric union is a piece of plastic that is placed on piping to break any metal to metal contact. T/F

Answer 44

True

Question 45

Metal Pipe Support (Horizontal) Copper: 1" diameter or less every _ feet Copper: 1 1/4" diameter & up every _ feet

Answer 45

Copper: 1" diameter or less every 8 feet Copper: 1 1/4" diameter & up every 10 feet

Question 46

Water piping materials:

Answer 46

copper, galvanized lead, CPVC, PVC, Polybutylene, PEX, HDPE

Question 47

Copper piping is:

Answer 47

reliable & expensive

Question 48

Copper piping types: K & L approved for ___ use K, L or M approved for ___ use K= ___ wall M= ___ wall

Answer 48

K & L approved for underground use K, L or M approved for interior use K= thickest wall M= thinnest wall

Question 49

Galvanized pipe life expectancy:

Answer 49

40-50 years

Question 50

CPVC used for hot & cold water distribution. T/F

Answer 50

True

Question 51

PVC used for cold water only. True/False

Answer 51

True

Question 52

PB is mostly gray, sometimes black, has been replaced by PEX. T/F

Answer 52

True