Sait.g.6.1 Copper Pipe

Front 1

Can D.W.V copper be used for all above ground fixture drains

Back 1

No. Copper tube shall not be used for the fixture drain or portion of the vent below the flood level rim of a flush valve operated urinal

Front 2

What three factors effect the maximum pressure allowed in a soft solder pipeline (3)

Back 2

1. Fluid temperature
2. Tube size
3. Solder type

Front 3

What is the formula for expansion

Back 3

Coefficient of expansion X temperature differential X lenght

Front 4

What purpose does the regulator serve on a soldering torch

Back 4

To lower the tank pressure to the desired hose working pressure

Front 5

What is the liquidus temperature of lead

Back 5

327 degrees Celsius

or

629 degrees Fahrenheit

Front 6

What is the liquidus temperature of envirobrite

Back 6

335 degrees Celsius

Or

635 degrees Fahrenheit

Front 7

What is the liquidus temperature of 95-5

Back 7

240 degrees Celsius

Or

464 degrees Fahrenheit

Front 8

What is the liquidus temperature or tin

Back 8

230 degrees Celsius

Or

450 degrees Fahrenheit

Front 9

What is the liquidus temperature of 50-50

Back 9

215 degrees Celsius

Or

420 degrees Fahrenheit

Front 10

What are the applications of copper pipe (7)

Back 10

1. Hot water heating
2. Cold & hot water supply systems
3. Gas systems
4. Steam heating systems
5. Drainage waste and venting systems
6. Refrigeration systems
7. Fire sprinkler systems

Front 11

What are the disadvantages of copper pipe (2)

Back 11

1. High initial cost I'm material and labor
2. Expansion factor ( expands twice as much as steel)

Front 12

What are the advantages of copper pipe (4 )

Back 12

1. Corrosion resistance
2. Lightweight
3. Easily bent around obstructions
4. Less flow restriction

Front 13

What are the types of copper fittings (3)

Back 13

1. Soldered
2. Flared
3. Compression

Front 14

What are the types of copper (7)

Back 14

1. Type K - green
2. Type L - blue
3. Type M - red
4. Type D.W.V - yellow
5. Type H - white ( hot water heating)
6. Type ACR - (sized in O.D)
7. Type G - green (general purpose for gas )

Front 15

What are the types of copper joining methods (5)

Back 15

1. Flared ( underground water service)
2. Compression ( fixture connections)
3. Brazed ( medical gas & refrigeration)
4. Soldered ( above ground installation)
5. Threaded ( found on adapters male & female)

Front 16

How are the different kinds of copper sized

Back 16

1. Pipe measured in N.P.S
2. Tube measured in N.P.S
3. Tubing measured in O.D

Hint 16

Pipe tube and tubing

Front 17

What is the coefficient of expansion for bronze

Back 17

0.0000099

Front 18

What is the coefficient of expansion for brass

Back 18

0.0000189

Front 19

What are the fluxes used on copper, brass, bronze, and monel metal made of

Back 19

Zinc Chloride

Front 20

Can D.W.V fittings be used on pressure systems & pressure fittings on D.W.V

Back 20

No D.W.V on pressure systems but pressure fittings can be used on D.W.V

Front 21

Are ferrule sleeves & nuts interchangeable

Back 21

No they are not

Front 22

What are the temperatures for hard soldering and soft soldering

Back 22

Hard soldering 575 degrees Celsius or 1000 degrees Fahrenheit and above

Soft soldering 575 degrees Celsius or 1000 degrees Fahrenheit and below

Front 23

What factors should be considered when selecting solder (3)

Back 23

1. Maximum temperature
2. Maximum pressure
3. Pipe size

Front 24

High pressure compression fittings are rated up to

Back 24

1000 PSI

Front 25

What is the term for solder that is neither solid nor liquid

Back 25

Plastic or mushy

Front 26

What angles are flares done at (2)

Back 26

37 degrees for automotive

Or

45 degrees for plumbing

Front 27

Flow rates in copper are _________% better than steel

Back 27

20%

Front 28

DWV copper specs

1. Color code
2. Available pipe sizes
3. Available Lenghts rigid
4. Available Lenghts soft temper
5. Uses
6. Other

Back 28

1. Yellow
2. 1 1/4" to 6"
3. 12 ft and 20 ft
4. Not available
5. Above ground only
6. 3" used because it fits in 2x4 walls

Front 29

Type H copper specs

1. Color code
2. Available sizes
3. Available Lenghts
4. Other

Back 29

1. White
2. 1/2", 3/4", 1"
3. 12 ft length
4. Used in hot water heater no longer used other than in finned tube

Front 30

What is the minimum size of type M copper

Back 30

1/4"

Front 31

What is copper greatest disadvantage over steel

Back 31

Expansion rate

Front 32

What type of copper can be bent without the use of a tool

Back 32

Copper tubing

Front 33

What type of flare is best for thin walled pipe

Back 33

Double flare

Front 34

What is the maximum temperature and pressure rating for a soft soldered copper line

Back 34

1. 121degrees C or 250 degrees Fahrenheit
2. 15 psig steam

Front 35

What are the four torch types used in soldering

Back 35

1. Acetylene (C2H2)
2. Propane (C3H8)
3. Butane (C3H10)
4. MAAP gas (C3H4)

Front 36

Three advantages of copper over steel

Back 36

1. Malleability
2. Ductility
3. Corrosion resistance

Front 37

What is another name for copper DWV fittings

Back 37

Streamline fittings

Front 38

Type M copper specs

1. Color code
2. Available sizes
3. Available Lenghts rigid
4. Available Lenghts soft temper
5. 1/2" wall thickness
6. Uses

Back 38

1. Red
2. 1/2" to 12"
3. 12 ft and 20 ft
4. Not available
5. 0.028
6. Hot and cold distribution, heating, DWV

Front 39

Ratios for brass fittings

1. Red brass
2. Yellow brass

Back 39

1. 85% copper 15% zinc
2. 66% copper 34% zinc

(Brass pipe more than 35% zinc is not suitable for plumbing

Front 40

Type K copper specs

1. Color code
2. Available sizes
3. Available Lenghts rigid
4. Available Lenghts soft temper
5. Wall thickness of 1/2"
6. Uses

Back 40

1. Green
2. 1/4" to 12"
3. 12 ft and 20 ft
4. 100 ft
5. 0.049
6. Water service, low pressure steam, heating systems, gas fitting, DWV, hospital piping, oil piping