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Plumbing Level 1 - Copper and Brazing > Copper and Brazing > Flashcards

Copper and Brazing Flashcards

1
Q

To heat and then cool the pipe in order to soften and make the pipe more flexible

A

Anealing

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2
Q

A fitting designed to join a tube by means of pressure or friction

A

Compression fittings

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3
Q

To spread the end of the tube

A

Flaring

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4
Q

Generally recommended for exposed lines such as hot and cold

A

Hard temper tube

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5
Q

Type K colour and thickness

A

Green, Thickest wall

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6
Q

Type L colour and thickness

A

Blue, Medium wall

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7
Q

Type M colour and temper

A

Red, Hard temper only

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8
Q

Type H colour

A

White

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9
Q

DWV Colour

A

Yellow

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10
Q

Copper tube has ____________ than copper pipe

A

thinner walls

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11
Q

Copper pipe is measured by what standard

A

NPS

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12
Q

Copper tube is measured by

A

OD

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13
Q

Copper Joint Types

A

Soldered, Compression, Flared, Press connect

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14
Q

Does pressure fittings have a small or large cup

A

Large

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15
Q

Molten brass in a mould (sandy rough) is called

A

Cast Brass

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16
Q

Finished brass (smooth and yellow) is called

A

Barstock

17
Q

Pressure heated fittings in a die is called

A

Wrot copper

18
Q

Red Brass consists of what % copper and what % zinc

A

85% and 15%

19
Q

Yellow Brass consists of what % copper and what % zinc

A

66% and 34%

20
Q

bronze consists of what

A

90% copper 10% tin

21
Q

Soft soldering is heated 450 degrees and…

A

Lower

22
Q

Hard soldering is heated 450 degrees and…

A

higher

23
Q

BAg is made of what and used for?

A

Silver, dissimilar metals

24
Q

BCuP is made of what and used for?

A

Copper, copper to copper

25
Q

What does RB stand for in brazing

A

Rod Brazing

26
Q

What fumes are considered very toxic to inhale

A

Zinc and Cadium

27
Q

Manual Torch brazing

A

Carborizing 2.5x-3x

28
Q

BAg covers a wide range of temperatures from

A

618 to 1038 degrees celsius

29
Q

Lead melts and solidifies at
A) 334
B)330
C)331
D)325

A

D

30
Q

50/50 begins to and melts at

A

182, 250

31
Q

Higher what makes a smother joint

A

Tin

32
Q

Any solder that contains ___ lead cant be used for potable water

A

0.2%

33
Q

Long, thin, and pointed cone is created by what tips

A

Swedge

34
Q

Short, thick, and boulbos is created by what

A

Straight bore

35
Q

Draws molten solder into narrow Gap of the joint

A

Capilary Action

Plumbing Level 1 - Copper and Brazing (1 decks)

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