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Bas. > CPVC, Copper & Press Fittings > Flashcards

CPVC, Copper & Press Fittings Flashcards

1
Q

What does CPVC stand for

A

Chlorinated Polyvinyl Chloride

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2
Q

Blaze master is approved in what NFPA standards?

A

NFPA 13- Light hazard
NFPA 13R- up to 4 stories
NFPA 13D- Family dwellings

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3
Q

Blaze master is only permitted in ordinary hazards under _____

A

400 square feet

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4
Q

Solvent welding has a shelf like of __ years from production date

A

2 years

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5
Q

Solvent cement starts to gel at what temperature

A

4 degrees Celsius

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6
Q

Blaze master can be installed in temperatures as low as

A

-18 degrees Celsius

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7
Q

Blaze master is not compatible with most

A

Wiring, caulking, cooking oils, anti freeze (petroleum products, glycol based)

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8
Q

De-burring/reaming is for _____

A

Hydraulics

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9
Q

After glueing, the pipe should be twisted how much of a turn?

A

1/4 of a turn

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10
Q

What size dauber for 1” pipe

A

1/2”

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11
Q

The ___ 1/3 of the fitting is the most important

A

Bottom

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12
Q

How many wraps of Teflon on heads

A

2-3 wraps

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13
Q

Expansion loops need to be installed when a straight run longer then ____ is installed

A

100 feet

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14
Q

On hangers, Rods should be kept _____ of an inch above the hanger as a restraint

A

1/16

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15
Q

How much air pressure is allowed to be used for testing in CPVC systems

A

15psi

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16
Q

How long is set time for CPVC

A

1-5 minutes

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17
Q

How far should spacing be between hangers 1” CPVC

A

6 feet

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18
Q

Light Hazard Quantity and Combustibility of content is ____

A

Low

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19
Q

Fire in a light hazard are expected to have a ____ release rate

A

Low

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20
Q

Ordinary Hazard Group 1 Quantity is

A

Moderate

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21
Q

Ordinary Hazard Group 1 combustibility of content is ____

A

Low

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22
Q

Stock in ordinary hazard cannot be stacked higher then ____

A

8 feet

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23
Q

Ordinary Hazard group 2 Quantity of content is ______

A

Moderate to High

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24
Q

Ordinary hazard group 2 combustibility is ______

A

Moderate to high

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25
Ordinary hazard group 2, stockpiles with moderate HRR cannot exceed _____
12 feet
26
Ordinary hazard group 2, stockpiles with high HRR cannot exceed _______
8 feet
27
Extra hazard quantity and combustibility is _______
Very High
28
Extra hazard fires are expected to have a ____ heat release rate
High, rapidly developing
29
Extra hazard have little to no combustible or _______
Flammable liquid
30
Extra Hazard group 2 have a _____ amount of combustible or flammable liquids
High
31
What is the max protection area for light hazard
52,000 sq ft
32
What is the max protection area for ordinary hazard
52,000sq ft
33
What is the max protection area for extra hazard
40,000 sq ft
34
Max head protection in light hazard is
225 sq ft
35
Max head protection in ordinary hazard is
130 sq feet
36
Max head protection in extra hazard is
100 sq feet
37
Water needs to be supplied for ____ amount of time in a light hazard
30 minutes
38
Water needs to be supplied for ____ amount of time in a ordinary hazard
60-90 minutes
39
Water needs to be supplied for ____ amount of time in a extra hazard
90-120 minutes
40
PB stands for what
Polybutylene
41
CPVC is not compatible with any _____ products
Petrochemical products
42
Advantages of CPVC are
-Good hydraulics -Flexible -limited tools required -light -50 year lifespan -Non Corrosive
43
What sizes are available for CPVC pipe
3/4 to 3”
44
Hanger no more then _____ away from head if system is under 100 psi
1 ft
45
Hanger no further then _____ if system is over 100 psi
9 inches
46
3 different expansion loops are
-Loop -Offset -Change of direction
47
CPVC is designed to be used in _____ systems only
Wet
48
What kind of anti freeze can be used in CPVC systems
Listed Glycerine
49
At what pressure and for how long do CPVC systems need to be tested in NFPA 13R?
200 psi for 2 hours OR 50 psi above working pressure, whichever is more
50
What are the 3 types of copper
K, L, M
51
Which copper is the thickest?
K, green label, expensive
52
Which copper is the thinnest?
M, red label, cheap
53
Copper pipe comes in lengths that are _____ long
12-20 feet
54
Methods of joining copper are
-Solder -Brazing -Flared/Compression -Grooved
55
Solder joints can only be used on ______ systems
Wet
56
Brazed joints can be used on _____ systems
Wet, dry, pre action
57
Soldering temperature Is
350-600 Fahrenheit
58
Brazing temperature is
1100-1500 Fahrenheit
59
Filler materials for brazing approved by NFPA are
B cup 3 and B cup 4
60
Compression connection is made using a compression nut and _____
Ferrule (Olive)
61
What size copper can be grooved
2 inch and up
62
How far apart do hangers need to be for 1” copper
8 feet
63
Types of pipe for press fit
Copper- KLM Stainless Sch 10, 304&316 Carbon steel/black iron
64
Size of pipe for press fittings
Copper 1/2-4” Stainless 1/2-2” Black iron- 1/2-2”
65
How is annealed copper shipped?
In Coils
66
In a mixed commodity where there’s 2 random products what is it classified as ?
Highest
67
What kind of joint is referred to as wet to sweat
Socket to thread
68
What kind of pipe WAS utilized in press fittings
Sch 5
69
What types of copper does annealed come in
Types K & L
70
What fitting is best for brazing
Wrought
71
Max height for low piled storage
12 feet

Bas. (8 decks)

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