ICA Module 2 Section 5 Flashcards
PB (Polybutylene) & PE (Polyethelene) piping is used underground. T/F
True
Propane tanks minimum __ feet from windows
5 feet
A propane tank can be by house if it is under how many gallons?
125
Propane tanks 125-500 gallons must be at least ___feet away from house.
10 feet
Propane tanks 501-2000 gallons must be at least __feet away from house.
25 feet
Propane tanks should be ___ to house
parallel
CSST pipe is supported every __ feet
4
Propane tank galvanized or black iron pipe:
1/2” supported every __ feet
3/4” supported every __ feet
1 1/4” supported every __ feet
1/2” supported every 6 feet
3/4” supported every 8 feet
1 1/4” supported every 10 feet
Propane tank metal gas pipe copper (horizontal)
1 1/4” or less support __ feet
over 1 1/4 support __ feet
1 1/4” or less support 6 feet
over 1 1/4 support 10 feet
Water heater piping must have union fittings within __ feet of water heater
5 feet
TPR (Temperature & Pressure Relief) is 3/4” & must be within ___” of floor
24 inches
TPR valve is an _____ _____ _____
Emergency Relief Valve
There should always be metal pipe nipples at least 6” long coming off water heater. T/F
True
Gas tankless water heaters need __ to __” clearance to combustion.
8 to 12”
Gas piping materials include:
black iron, galvanized, aluminum, copper, brass, CSST, Flexible appliance connectors
Water temperature should be max__ degrees.
120 degrees
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
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
Minimum shower size stall
30”x30”
Any flame or spark device water heater must be minimum __inches above garage floor if in garage.
18
Gas/Propane water heaters single wall vent __inch clearance to combustibles, double wall vent __inch clearance.
single wall vent 6 inch clearance to combustibles, double wall vent 1 inch clearance.
Oil water heater single wall __” clearance from combustibles. Double wall __” clearance from combustibles.
single wall 9” clearance from combustibles. Double wall 3” clearance from combustibles.
Water heaters last:
10-12 years
Cast iron in 5’ segments is supported every 5 feet. Cast iron in longer segments supported every 10 feet. T/F
True
Support copper pipe every __ feet horizontal
10 feet
Support galvanized steel pipe every __ feet horizontal
12 feet
Plastic pipe support:
PVC every ___ feet
ABS every ___ feet
PVC every 4 feet
ABS every 4 feet
Waste pipe minimum slope:
3” diameter or less 1/4” per foot
3” diameter or more 1/8” per foot
True/False
True
Water pressure should be between ___&___ psi
30 & 80m psi
All waste drain systems need cleanout within __feet of building entrance
5
Running all fixtures in same bathroom at once is called:
Functional Flow
Drainage & Vent Materials:
Cast Iron, Galvanized Steel, PVS, ABS, Brass, Copper, Lead, Vitrified Clay
PVC/ABS Plastic colors:
PVC-
ABS-
PVC-White
ABS-Black
Vents should terminate _feet away & _feet above operable window & _feet away from wall.
10 feet away & 2 feet above operable window & 1 feet away from wall.
Plumbing vents can tie into an attic & can’t have condensate drains connected to them. T/F
True
Galvanized steel or brass pipe
1 1/4” or less supported every _feet
1 1/2” diameter & up every _ feet
1 1/4” or less supported every 10 feet
1 1/2” diameter & up every 12 feet
Plastic pipe support (horizontal)
CPVE & PVC every _ feet
4
PEX (flexible) supported every _ feet
32
Back flow preventer is:
one way valve on a burner
PEX for:
Hot & Cold Water
HDPE __ water only
cold
HDPE used for ___ & ___ systems
mains & sprinkler systems
HDPE, black pipe for water & yellow for natural gas. T/F
True
Copper touching galvanized steel causes:
corrosion
Dielectric union is a piece of plastic that is placed on piping to break any metal to metal contact. T/F
True
Metal Pipe Support (Horizontal)
Copper: 1” diameter or less every _ feet
Copper: 1 1/4” diameter & up every _ feet
Copper: 1” diameter or less every 8 feet
Copper: 1 1/4” diameter & up every 10 feet
Water piping materials:
copper, galvanized lead, CPVC, PVC, Polybutylene, PEX, HDPE
Copper piping is:
reliable & expensive
Copper piping types:
K & L approved for ___ use
K, L or M approved for ___ use
K= ___ wall
M= ___ wall
K & L approved for underground use
K, L or M approved for interior use
K= thickest wall
M= thinnest wall
Galvanized pipe life expectancy:
40-50 years
CPVC used for hot & cold water distribution. T/F
True
PVC used for cold water only. True/False
True
PB is mostly gray, sometimes black, has been replaced by PEX. T/F
True
