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Plumbing > The Big Test > Flashcards

The Big Test Flashcards

1
Q

True or False: Steam can be used in grooved lines.

A

False

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2
Q

On a grooved system, a gasket with a red dot resembles what?

A

Gas

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3
Q

On a grooved system, a gasket with a green dot resembles what?

A

Potable Water

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4
Q

When turning the regulator to the right and pushing in will put the tank in what position?

A

open

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5
Q

When turning the regulator to the left and pulling out will put the tank in what position?

A

closed

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6
Q

A flame retardent blanket does what?

A

Protects surfaces from the flame

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7
Q

Red is for…

A

Acetylene

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8
Q

Powder/light blue is for…

A

Propane

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9
Q

What makes fuel/gas burn hotter?

A

Oxygen

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10
Q

Do Plumbers do more soldering or brazing?

A

Soldering

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11
Q

Another name for brazing is…

A

Silver soldering

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12
Q

What holds the acetylene in cylinder/tank?

A

Porous filling

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13
Q

Why should you never lay a tank down?

A

It will burn Acetone

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14
Q

Can you transport tanks under tunnels?

A

No

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15
Q

Which will get messed up first? The stem or regulator?

A

The stem gets messed up first then the regulator

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16
Q

Fuels for soldering include…

A

Acetylene, Map Gas, Propane

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17
Q

Acetylene abbreviation:

A

(C2H2)

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18
Q

Acetylene is composed of…

A

2 parts carbon, 2 parts hydrogen

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19
Q

Map Gas is also known as…

A

Methlyacetylene Propadier

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20
Q

Map Gas abbreviation:

A

(C3H4)

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21
Q

Map Gas is composed of…

A

3 parts carbon, 3 parts hydrogen

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22
Q

Propane Abbreviation:

A

(C3H8)

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23
Q

LP=

A

Liquid Petroleum

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24
Q

What is added to natural gas and propane to give it it’s smell?

A

Mercapton

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25
Q

What should you write on a piece of duct tape on a tank when it’s empty?

A

MT & Date

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26
Q

What should you write on a piece of duct tape on a tank when it has a leaky stem?

A

Leaky Stem & Date

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27
Q

How is gas measured?

A

Water Column

28
Q

What is the smallest pipe that can be roll grooved?

A

1 1/2”

29
Q

What is the largest pipe that can be roll grooved?

A

8”

30
Q

What holds the couplings together in Roll Grooving?

A

T-Bolts

31
Q

In roll grooving standard couplings have how much deflection?

A

4%

32
Q

What length does Black Steel come in?

A

21’

33
Q

What length does Copper come in?

A

20’

34
Q

How much PSI can a gasket hold without housing?

A

5 PSI

35
Q

How much PSI can a gasket hold with housing?

A

300 PSI

36
Q

Gaskets are made of…

A

EPDM (Elastomer)

37
Q

What head do you use to groove PVC?

A

Steel Head

38
Q

Which couplings in roll grooving are cut square?

A

Standard Couplings

39
Q

What couplings in roll grooving are cut on an angle?

A

Zeroflex

40
Q

What company did we see in HVAC?

A

Counterstrike/Omegaflex

41
Q

What was the presenters name?

A

Pat Shay

42
Q

What company did he work for?

A

Tarantin Industries

43
Q

True or False: Each Manufacturer has its own inside diameter and fittings.

A

True

44
Q

True or False: Tracpipe has the largest wall thickness.

A

True

45
Q

Tracpipe PS 11 is used for…

A

Underground

46
Q

CSST stands for…

A

Corrugated Stainless Steel Tubing

47
Q

CSST consists of a flexible stainless steel tube encased in a jacket of

A

PE Plastic

48
Q

Is CSST lighter or heavier than than rigid pipe?

A

Lighter

49
Q

How is CSST delivered?

A

Precut lengths coiled on drums

50
Q

True or False: The components of CSST systems are not interchangable among manufacturers.

A

True

51
Q

TracPipe is made by

A

OMGEAFLEX

52
Q

Parker Gas Piping (PGP) is made by

A

Parker Hannifin Corporation

53
Q

True or False: Cast Iron is an acceptable material for threaded CSST fittings.

A

False

54
Q

Ball valves should be installed…

A

Upstream from appliances or connectors

55
Q

To connect a length of CSST to an appliance you would use a ______ fitting.

A

Straight

56
Q

The maximum allowable operating pressure for gas systems is what?

A

5 PSIG

57
Q

Universal pipe supports and struts or pipe straps can handle ______ pipe runs.

A

Multiple

58
Q

3/8” rod can hold how much PSI?

A

400 PSI

59
Q

What is the highest water column?

A

5 PSI

60
Q

2 feet of Head =

A

1 PSI

61
Q

6-7 Water Column =

A

2.5 PSI

62
Q

A device mounted in a finished wall, floor, or ceiling that serves as a fixed connection for an appliance or other device is known as a(an)

A

Stub-Out

63
Q

A device that allows one CSST pipe to be branched off to multiple outlets is known as what?

A

A Manifold

64
Q

A type of valve that provides positive, quick flow controlon gas piping systems is a(an)

A

Gas Cock

65
Q

A fitting that allows a branch to be taken off from a main gas line is a(an)

A

Tee Fitting

66
Q

A unit of measure used to specify the maximum operating pressure for a gas system is a(an)

A

Pounds Per Square Inch Gauge (PSIG)

67
Q

A device used in elevated pressure systems to reduce the gas pressure before the pipe outlet is a(an)

A

Regulator

Plumbing (13 decks)

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