Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Pipe > Tubing Rigid > Flashcards

Tubing Rigid Flashcards

1
Q

Weights of hard drawn copper?

A
  1. K
  2. L - HVAC
  3. M
  4. DMV
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Swaging

A
  1. Cut with tube cutter
  2. Debur (Ream)
  3. Measure block (1/8 plus diameter)
  4. Hammer and form
  5. Inspect
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Flaring

A
  1. Cut
  2. Debur
  3. Block (1/3 diameter)
  4. Flaring yoke
  5. Inspect (smooth, cracks, fully fits in flare nut
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Bending Tool

A
  1. 0, 45, R, L Zero = Angle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Work Hardening

A

Too much bending of copper. (Hardens copper)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Annealing

A

Heat up to “cherry red” and let air cool.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Do not collapse copper while bending

A
  1. Restricts flow
    A. Refrigerant
    B. Oil
  2. Appearance
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Solder a copper pipe procedures - below 800 degrees

A
  1. Clean - male and female
  2. Flux (male only)
  3. Heat male then fittings
  4. Filler melted by metal, not the flame
  5. Fill
  6. Wipe clean
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Braze a copper pipe procedures - Above 800 degrees

A
  1. Clean - male and female
  2. Flux (male only)
  3. Heat male then fittings
  4. Filler melted by metal, not the flame
  5. Fill
  6. Wipe clean
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When brazing, what indications let you know it is okay to braze?

A
  1. Melting flux
  2. Cherry red
  3. Green secondary flame
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Phosgene Gas

A

Burning refrigerant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Solder in system

A
  1. Restricts
  2. Compressor damage
  3. Oil contamination
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How much solder do you use?

A

Diameter of tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Over heating flux

A
  1. Burns
  2. Improper flow
  3. Oxidation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Torch (Air acetylene) Startup

A
  1. Crack tank
  2. Regulator, hose, torch
  3. No more than 1/4 - 1/2 turn
  4. Regulator middle position
  5. Open torch
  6. Light with a striker!
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Torch (Oxy acetylene) Startup

A
  1. Crack tank
  2. Regulator, hose, torch
    A. Green - Right handed
    B. Red - left threads
  3. Regulators
    A. Acetylene
    1. Tank open 1/4 - 1/2
    2. Open torch valve
    3. Regulator to 5 psig
    4. Close torch valve
    B. Oxygen
    1. Tank open all the way
    2. Open torch valve
    3. Regulator to 10 psig
    4. Close torch valve
    Tank shut down
    1. Shut off torch
    2. Close tank
    3. Bleed off pressure
    4. Close torch
    5. Back off regulator
17
Q

Diesel effect

A

When air / oxygen mixed with an oil, it could explode. (Nothing with oxygen!!)

18
Q

Types of fillers

A
  1. Copper - copper - phis
  2. Steel - copper - (Silphos - Solder)
    FYI - Heat steel first!
19
Q

Iron Pipe

A
  1. Seamless pipe (Black pipe)
  2. No burred threads!
  3. Weights
    A. Standard
    B. Extra strong
    C. Double extra strong
20
Q

Iron Pipe threads - Procedure

A
  1. Cut pipe (with pipe cutter)
  2. Debur
  3. Oil
  4. Die head (90 degree cut; 180 degree back)
  5. Clean threads
  6. Oil
  7. Taper threads (7 perfect, 2 imperfect)
21
Q

Nipple Kit (For Steel Piping)

A
  1. Closed = 1 inch (all threads)
  2. Short - small shoulder (middle)
  3. 2” - 12” at 1/2” increments
22
Q

Types of bending tools

A
  1. Mandrel - Also called mechanical
  2. Spring
  3. Compression
  4. For 180 degree bends
    Radius = Sydia
23
Q

ACR Tubing

A

Outside diameter (O.D.)

Pipe (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions