First Year Commin Pipe Trades

Front 1

Carbon content of piping

Back 1

0.1 - 0.2

Front 2

Which sch has largest ID

Back 2

Sch 40 (thinnest walls)

Front 3

Cold bending pipe is what grade and carbon content

Back 3

Grade A - low carbon

Front 4

Define grade B piping

Back 4

More carbon content - more tensile strength

Front 5

STD pipe pressure rating

Back 5

Up to 150 psi (residential)

Front 6

Pressure rating XS

Back 6

Up to 200psi (steam,corrosion)

Front 7

XXS pressure rating

Back 7

1000 psi and above / hydraulic systems

Front 8

Nps = approximate ID for what sizes

Back 8

Up to 12”

Front 9

At what point is piping sized by exact OD

Back 9

14” and up

Front 10

What does Schedule stand for

Back 10

1000 times pressure/stress ratio

Front 11

Schedule range is

Back 11

Sch 10 to sch 160

Front 12

STD = SCH 40 at what sizes

Back 12

1/8 - 10” NPS

Front 13

XS = Sch 80 at what sizes

Back 13

1/8 - 8” NPS

Front 14

Which grade of pipe had the thinnest wall thickness and therefore largest ID

Back 14

STD

Front 15

Which grade of pipe has thickest wall section and therefore smallest ID for NPS

Back 15

XXS

Front 16

What pressure does liquid petroleum operate at and what grade of pipe should be used

Back 16

125 psi - XS

Front 17

What type of finish used when very close tolerances required

Back 17

Reamed and drifted

Front 18

Finish required for dresser and grip seal fittings, cut square and reamed

Back 18

Plain

Front 19

Standard pipe thread on one end

Back 19

Threaded finish

Front 20

Can protective couplings be used in fitting instalation

Back 20

No

Front 21

Suitable finish for welding

Back 21

Beveled

Front 22

What determines max operating pressure

Back 22

End finish and joining method

Front 23

CWP

Back 23

Cold working pressure

Front 24

G

Back 24

Gas

Front 25

O

Back 25

Oil

Front 26

S

Back 26

Steam

Front 27

S.P

Back 27

Steam pressure

Front 28

W

Back 28

Water

Front 29

W.O.G

Back 29

Water oil or gas

Front 30

WSP

Back 30

Working steam pressure

Front 31

Elbow with Female thread one end male end on the other

Back 31

Street elbow

Front 32

Identifying tee size 1st 2nd 3rd

Back 32

Largest run, smallest run, branch

Front 33

Tee which is not described starting with largest size because of larger branch outlet

Back 33

Bull head Tee

Front 34

Nipples available in what sizes

Back 34

1/2” increments up to 6”, 1” increments from 7” to 12”

Front 35

Nipple in which threads meet in the middle

Back 35

Close nipple

Front 36

Nipple in which a small space is present between threads

Back 36

Space nipple

Front 37

Fitting designed for quick assembly and disassembly of piping systems

Back 37

Union

Front 38

Iron body with two bronze seats

Back 38

Dart union

Front 39

One brass seat one iron seat used on Sch 40 systems

Back 39

Rex union

Front 40

Gasket between two seating faces

Back 40

Lip union

Front 41

Common use for lip union

Back 41

Dielectric union - hot water heaters

Front 42

Used to reduce pipe size in plumbing system

Back 42

Bushing

Front 43

Bushing not permitted when installing gas line

Back 43

Nesting

Front 44

Heat treated to render it less brittle, shaped by hammering

Back 44

Malleable iron

Front 45

Standard fitting aka..

Back 45

Class 150

Front 46

XH fittings aka

Back 46

Class 300

Front 47

Class 125 and 250 std fittings

Back 47

Pressure cast iron

Front 48

Class 2000, 3000, 6000

Back 48

Forged steel fittings

Front 49

Fittings used for drains , waste, venting

Back 49

Recessed cast iron

Front 50

Liquid/gas @150•F = 300 psi

Steam = 150 psi

Back 50

Class 150 malleable iron (std)

Front 51

Steam up to 300 psi

Pressure rating for liquid and gas subject to pipe size

Back 51

Class 300 malleable iron (xh)

Front 52

Up to 2000 psi for liquid / gas

615 psi for steam

Used with Sch 80 pipe

Back 52

Class 2000 forged steel

Front 53

Up to 3000 psi liquid/gas

925 psi steam

Used with sch 160

Back 53

Class 3000 forged steel

Front 54

Up to 6000 psi liquid /gas

1855 psi for steam

Used with XXS pipe

Back 54

Class 6000 forged steel

Front 55

No pressure rating

Back 55

Recessed cast iron

Front 56

DWV

Back 56

Drain waste vent

Front 57

Pressure rating ___________ as temp increases

Back 57

Decreases

Front 58

Product used with grooving or vicking of a piping system

Back 58

Victaulic

Front 59

A common name for Victaulic

Back 59

Groove and shoulder system

Front 60

A common name for Victaulic

Back 60

Groove and shoulder system

Front 61

Are victaulic fittings compatible with different manufacturers

Back 61

No

Front 62

A common name for Victaulic

Back 62

Groove and shoulder system

Front 63

Are victaulic fittings compatible with different manufacturers

Back 63

No

Front 64

Why is groove and shoulder so popular

Back 64

Simple design

Front 65

Name parts of groove shoulder system

Back 65

Two grooved ends, coupling(fitting) with key that prevents pipe from disconnecting, gasket to prevent leaks

Front 66

Name for lengthening of the line due to the play in victaulic couplings

Back 66

Creep

Front 67

Why would victaulic fittings leak

Back 67

Lack of fluid pressure on gasket

Front 68

Name the two main types of pipe prep for groove and shoulder

Back 68

Cut groove, roll groove

Front 69

Name the two main types of pipe prep for groove and shoulder

Back 69

Cut groove, roll groove

Front 70

Advantage and disadvantage of cut groove

Back 70

Reduces wall thickness but does not restrict interior of pipe

Front 71

Name the two main types of pipe prep for groove and shoulder

Back 71

Cut groove, roll groove

Front 72

Advantage and disadvantage of cut groove

Back 72

Reduces wall thickness but does not restrict interior of pipe

Front 73

Advantage and disadvantage of roll groove

Back 73

Wall thickness not effected but internal diameter reduced by depth of groove

Front 74

Minimum sch for cut groove

Back 74

schedule 40

Front 75

Minimum sch for cut groove

Back 75

schedule 40

Front 76

Type of cut groove used on soft material

Back 76

Radius cut groove

Front 77

Lightest wall thickness for roll groove

Back 77

Schedule 10

Front 78

What symbol is this

Back 78

Grooved 90•elbow

Front 79

Water has no deteriorating effect on what type of gasket

Back 79

Elastomer (composite rubber)

Front 80

Gasket can be used for hot water service up to 230•F on a continuous basis (works well on hot water heater)

Back 80

Grade E

Front 81

Choose gasket according to what

Back 81

Manufacturers spec and type of liquid flowing through system

Front 82

How are gaskets identified

Back 82

Permanent coloured stripe

Front 83

What will guarantee gasket failure

Back 83

Installing gasket not resilient to certain chemicals

Front 84

Sch 40 A-53 gr. B threaded can sustain pressure up to _________ and is used for ____________ work

Back 84

150 psi , residential

Front 85

Division B Section 2.2 Plumbing code of Canada

Back 85

Materials and equipment, ferrous pipe and fittings

Front 86

Division B section 2.3 Plumbing code of Canada

Back 86

Piping - construction and use of threaded joints and connections. Protection support and testing of ferrous pipe

Front 87

B149 section 6

Back 87

Nat Gas and propane code - piping and tubing systems, ferrous pipe used for gas distribution

Front 88

ASME B-31

Back 88

Power piping code - including steam or vapour over 15 psi and high temp water exceeding 160 psi or 250•F

Front 89

API

Back 89

American petroleum institute

Front 90

API

Back 90

American petroleum institute

Front 91

ASTM

Back 91

American society for testing and materials

Front 92

ASME

Back 92

American society of mechanical engineers

Front 93

ASME

Back 93

American society of mechanical engineers

Front 94

AWWA

Back 94

American water works association

Front 95

ASME

Back 95

American society of mechanical engineers

Front 96

AWWA

Back 96

American water works association

Front 97

Csa

Back 97

Canadian standards association

Front 98

ASME

Back 98

American society of mechanical engineers

Front 99

AWWA

Back 99

American water works association

Front 100

Csa

Back 100

Canadian standards association

Front 101

Define stress

Back 101

Resistance to deformation

Front 102

Advantage and disadvantage of single wheel cutter

Back 102

360 swing, only internal burr

Front 103

Increase pressure on cutter with handle by no more than _____ turn per revolution

Back 103

1/4

Front 104

Increase pressure on cutter with handle by no more than _____ turn per revolution

Back 104

1/4

Front 105

Never use a spiral reamer with a power vise T or F

Back 105

T

Front 106

Which end gets joining compound and why

Back 106

Male end only avoid lubricant in system

Front 107

Which end gets joining compound and why

Back 107

Male end only avoid lubricant in system

Front 108

How many wraps of Teflon tape

Back 108

1 1/2

Front 109

O2 lines cleaned with what

Back 109

Tetrachloride

Front 110

What rate does NPT taper enlarge at

Back 110

3/4 per foot