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110 Cards in this Set
- Front
- Back
Carbon content of piping |
0.1 - 0.2 |
|
Which sch has largest ID |
Sch 40 (thinnest walls) |
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Cold bending pipe is what grade and carbon content |
Grade A - low carbon |
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Define grade B piping |
More carbon content - more tensile strength |
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STD pipe pressure rating |
Up to 150 psi (residential) |
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Pressure rating XS |
Up to 200psi (steam,corrosion) |
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XXS pressure rating |
1000 psi and above / hydraulic systems |
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Nps = approximate ID for what sizes |
Up to 12” |
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At what point is piping sized by exact OD |
14” and up |
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What does Schedule stand for |
1000 times pressure/stress ratio |
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Schedule range is |
Sch 10 to sch 160 |
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STD = SCH 40 at what sizes |
1/8 - 10” NPS |
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XS = Sch 80 at what sizes |
1/8 - 8” NPS |
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Which grade of pipe had the thinnest wall thickness and therefore largest ID |
STD |
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Which grade of pipe has thickest wall section and therefore smallest ID for NPS |
XXS |
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What pressure does liquid petroleum operate at and what grade of pipe should be used |
125 psi - XS |
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What type of finish used when very close tolerances required |
Reamed and drifted |
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Finish required for dresser and grip seal fittings, cut square and reamed |
Plain |
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Standard pipe thread on one end |
Threaded finish |
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Can protective couplings be used in fitting instalation |
No |
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Suitable finish for welding |
Beveled |
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What determines max operating pressure |
End finish and joining method |
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CWP |
Cold working pressure |
|
G |
Gas |
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O |
Oil |
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S |
Steam |
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S.P |
Steam pressure |
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W |
Water |
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W.O.G |
Water oil or gas |
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WSP |
Working steam pressure |
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Elbow with Female thread one end male end on the other |
Street elbow |
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Identifying tee size 1st 2nd 3rd |
Largest run, smallest run, branch |
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Tee which is not described starting with largest size because of larger branch outlet |
Bull head Tee |
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Nipples available in what sizes |
1/2” increments up to 6”, 1” increments from 7” to 12” |
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Nipple in which threads meet in the middle |
Close nipple |
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Nipple in which a small space is present between threads |
Space nipple |
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Fitting designed for quick assembly and disassembly of piping systems |
Union |
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Iron body with two bronze seats |
Dart union |
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One brass seat one iron seat used on Sch 40 systems |
Rex union |
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Gasket between two seating faces |
Lip union |
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Common use for lip union |
Dielectric union - hot water heaters |
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Used to reduce pipe size in plumbing system |
Bushing |
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Bushing not permitted when installing gas line |
Nesting |
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Heat treated to render it less brittle, shaped by hammering |
Malleable iron |
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Standard fitting aka.. |
Class 150 |
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XH fittings aka |
Class 300 |
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Class 125 and 250 std fittings |
Pressure cast iron |
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Class 2000, 3000, 6000 |
Forged steel fittings |
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Fittings used for drains , waste, venting |
Recessed cast iron |
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Liquid/gas @150•F = 300 psi Steam = 150 psi |
Class 150 malleable iron (std) |
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Steam up to 300 psi Pressure rating for liquid and gas subject to pipe size |
Class 300 malleable iron (xh) |
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Up to 2000 psi for liquid / gas 615 psi for steam Used with Sch 80 pipe |
Class 2000 forged steel |
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Up to 3000 psi liquid/gas 925 psi steam Used with sch 160 |
Class 3000 forged steel |
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Up to 6000 psi liquid /gas 1855 psi for steam Used with XXS pipe |
Class 6000 forged steel |
|
No pressure rating |
Recessed cast iron |
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DWV |
Drain waste vent |
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Pressure rating ___________ as temp increases |
Decreases |
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Product used with grooving or vicking of a piping system |
Victaulic |
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A common name for Victaulic |
Groove and shoulder system |
|
A common name for Victaulic |
Groove and shoulder system |
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Are victaulic fittings compatible with different manufacturers |
No |
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A common name for Victaulic |
Groove and shoulder system |
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Are victaulic fittings compatible with different manufacturers |
No |
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Why is groove and shoulder so popular |
Simple design |
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Name parts of groove shoulder system |
Two grooved ends, coupling(fitting) with key that prevents pipe from disconnecting, gasket to prevent leaks |
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Name for lengthening of the line due to the play in victaulic couplings |
Creep |
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Why would victaulic fittings leak |
Lack of fluid pressure on gasket |
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Name the two main types of pipe prep for groove and shoulder |
Cut groove, roll groove |
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Name the two main types of pipe prep for groove and shoulder |
Cut groove, roll groove |
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Advantage and disadvantage of cut groove |
Reduces wall thickness but does not restrict interior of pipe |
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Name the two main types of pipe prep for groove and shoulder |
Cut groove, roll groove |
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Advantage and disadvantage of cut groove |
Reduces wall thickness but does not restrict interior of pipe |
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Advantage and disadvantage of roll groove |
Wall thickness not effected but internal diameter reduced by depth of groove |
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Minimum sch for cut groove |
schedule 40 |
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Minimum sch for cut groove |
schedule 40 |
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Type of cut groove used on soft material |
Radius cut groove |
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Lightest wall thickness for roll groove |
Schedule 10 |
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What symbol is this |
Grooved 90•elbow |
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Water has no deteriorating effect on what type of gasket |
Elastomer (composite rubber) |
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Gasket can be used for hot water service up to 230•F on a continuous basis (works well on hot water heater) |
Grade E |
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Choose gasket according to what |
Manufacturers spec and type of liquid flowing through system |
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How are gaskets identified |
Permanent coloured stripe |
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What will guarantee gasket failure |
Installing gasket not resilient to certain chemicals |
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Sch 40 A-53 gr. B threaded can sustain pressure up to _________ and is used for ____________ work |
150 psi , residential |
|
Division B Section 2.2 Plumbing code of Canada |
Materials and equipment, ferrous pipe and fittings |
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Division B section 2.3 Plumbing code of Canada |
Piping - construction and use of threaded joints and connections. Protection support and testing of ferrous pipe |
|
B149 section 6 |
Nat Gas and propane code - piping and tubing systems, ferrous pipe used for gas distribution |
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ASME B-31 |
Power piping code - including steam or vapour over 15 psi and high temp water exceeding 160 psi or 250•F |
|
API |
American petroleum institute |
|
API |
American petroleum institute |
|
ASTM |
American society for testing and materials |
|
ASME |
American society of mechanical engineers |
|
ASME |
American society of mechanical engineers |
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AWWA |
American water works association |
|
ASME |
American society of mechanical engineers |
|
AWWA |
American water works association |
|
Csa |
Canadian standards association |
|
ASME |
American society of mechanical engineers |
|
AWWA |
American water works association |
|
Csa |
Canadian standards association |
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Define stress |
Resistance to deformation |
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Advantage and disadvantage of single wheel cutter |
360 swing, only internal burr |
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Increase pressure on cutter with handle by no more than _____ turn per revolution |
1/4 |
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Increase pressure on cutter with handle by no more than _____ turn per revolution |
1/4 |
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Never use a spiral reamer with a power vise T or F |
T |
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Which end gets joining compound and why |
Male end only avoid lubricant in system |
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Which end gets joining compound and why |
Male end only avoid lubricant in system |
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How many wraps of Teflon tape |
1 1/2 |
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O2 lines cleaned with what |
Tetrachloride |
|
What rate does NPT taper enlarge at |
3/4 per foot |