Hoja de Referencia del Examen · Referencia Rápida
Idaho Plumbing Specialty Appliance Journeyman Exam
Idaho · PSI Services Contractor
Verificado, no estimado. Cada cifra a continuación proviene de la estructura oficial del examen que mantenemos: número de preguntas, puntaje de aprobación y ponderación de temas. Las preguntas de práctica están fundamentadas en la ley fuente con citas de estatutos. Omitimos cualquier cifra que no podamos verificar en lugar de adivinarla.
Total de preguntas
50
Puntaje de aprobación
75%
Tiempo del examen
150 min
Administrado por
PSI Services Contractor
Formato
Se permiten materiales de referencia
Porción Estatal de Idaho 50 preguntas
2017 Idaho State Plumbing Code Capítulo 1
7 Q · 14%
Scope, purpose, and applicability of the codeAuthority Having Jurisdiction (AHJ) duties, powers, and liabilityPermit requirements and exempt workPermit application process and construction documentsPermit issuance, validity, expiration, and revocationInspection types and procedures (underground, rough-in, final)Testing of plumbing systems and approval certificationViolations, penalties, stop orders, and Board of Appeals
2017 Idaho State Plumbing Code Capítulo 2
6 Q · 12%
Drainage and venting system terminology (drain, waste pipe, soil pipe, stack, vent stack, branch, riser, building drain, building sewer)Backflow and cross-connection terminology (backflow, backsiphonage, backpressure, backflow preventer, air gap, air break, cross-connection, critical level)Water supply and distribution terminology (potable water, building supply, water distribution pipe, fixture branch, fixture supply, riser, water main)Plumbing fixture and appurtenance definitions (plumbing fixture, plumbing appliance, plumbing appurtenance, fixture unit, bathroom group, battery of fixtures)Trap and trap-related terminology (trap, trap seal, trap arm, trap primer, crown weir, top dip, individual vent, continuous vent)Fuel gas and venting system terminology (fuel gas, gas piping, chimney classifications, appliance heat categories, vent types B/BW/L, fuel gas venting system)Grease interceptor and special waste terminology (grease interceptor, gravity grease interceptor, hydromechanical grease interceptor, FOG disposal system, grease removal device, interceptor/clarifier)Alternate water source and gray water terminology (gray water, reclaimed water, rainwater catchment system, alternate water source, mulch basin, subsoil/subsurface irrigation field)
2017 Idaho State Plumbing Code Capítulo 3
7 Q · 14%
Minimum standards for materials, listing, labeling, and manufacturer marking requirementsAlternate materials and methods of construction equivalency and AHJ approval processAlternative engineered design requirements, documentation, and permit applicationProtection of piping from breakage, corrosion, freezing, fire-resistant construction, and UV exposureHangers, supports, and pipe support intervals by material type (Table 313.3 and Table 313.6)Trenching, excavation, backfill, and thermoplastic pipe bedding requirementsProhibited fittings, prohibited practices, and prohibited drainage/vent piping connectionsTest gauge specifications and pressure testing incrementation requirements
2017 Idaho State Plumbing Code Capítulo 5
20 Q · 40%
Water heater permits, inspections, and approval requirementsWater heater location requirements (bedrooms, bathrooms, garages, attics, roofs)Temperature, pressure, and vacuum relief devices (TPR valves) and safety shutoff devicesCombustion air requirements (indoor, outdoor, mechanical, and combination methods)Venting system types and selection (Type B, B-W, L vents, single-wall metal pipe, chimneys)Vent and chimney sizing for Category I appliances (single and multiple appliance tables)Vent connector requirements (materials, clearances, slope, length, joints)Seismic strapping, drainage pans, ground support, and physical installation requirements
2017 Idaho State Plumbing Code Capítulo 6
5 Q · 10%
Backflow prevention devices, assemblies, and methods (air gap, AVB, PVB, SVB, DC, RP) selection and installation requirementsCross-connection control and prohibited connections to potable water systemsWater supply piping materials, pipe types, and lead content requirementsPipe joining methods by material type (soldered, brazed, flared, mechanical, solvent cement, heat-fusion)Water pressure requirements, pressure regulators, expansion tanks, and relief valve discharge pipingSizing potable water supply systems using fixture units, Table 610.3, and Table 610.4Valves — types, placement, and shutoff requirements for water supply systemsResidential fire sprinkler system installation, sprinkler placement, piping design, and inspection
2017 Idaho State Plumbing Code Capítulo 12
5 Q · 10%
Acceptable piping materials and joining methods (metallic pipe, tubing, CSST, plastic pipe)Gas piping system design and sizing methods (longest length, branch length, hybrid pressure)Underground and aboveground gas piping installation requirementsInspection and pressure testing requirements for gas piping systemsGas pressure regulators: installation, venting, and overpressure protectionAppliance connections, shutoff valves, and sediment trapsElectrical bonding and grounding of gas piping systemsPurging requirements for gas piping systems
Distinciones Clave
Brazed JointvsSoldered Joint
A brazed joint uses alloys melting above 840°F (449°C) but below the base metal's melting point, while a soldered joint uses alloys melting at or below 840°F (449°C).
2017 ISPC, Section 212.0 - Joint, BrazedPermit Application ExpirationvsPermit (Issued) Expiration
An unissued permit application expires after 180 days from application date, while an issued permit expires if work is not commenced within 180 days from the permit date.
2017 ISPC Section 104.3.3AccessiblevsReadily Accessible
'Accessible' requires removal of an access panel or door to reach, while 'Readily Accessible' means direct access with no obstruction to remove.
2017 ISPC, Section 203.0Pollution (Low Hazard)vsContamination (High Hazard)
Pollution impairs aesthetic qualities of potable water without creating a public health hazard (Low Hazard), while contamination implies a hazard to public health (High Hazard).
2017 ISPC Section 218.0 (Pollution)Confined SpacevsUnconfined Space
A confined space for fuel-burning appliances has a volume less than 50 cubic feet per 1,000 Btu/h of aggregate input; an unconfined space meets or exceeds that ratio.
2017 ISPC Section 205.0 (Confined Space definition)Test Gauge ≤10 psivsTest Gauge >10 psi and ≤100 psi
Pressure tests of 10 psi or less require gauges with 0.10 psi incrementation or less, while tests exceeding 10 psi up to 100 psi require 1 psi incrementation or less.
2017 ISPC Section 318.2Building DrainvsBuilding Sewer
The building drain is the lowest interior drainage piping extending to 2 feet outside the building wall, where the building sewer begins.
2017 ISPC, Section 204.0 - Building DrainHorizontal PipevsVertical Pipe
A horizontal pipe makes an angle of less than 45 degrees with the horizontal, while a vertical pipe would make an angle of 45 degrees or more.
2017 ISPC, Section 210.0 - Horizontal PipeAHJ Role on Board of AppealsvsBoard of Appeals Members
The AHJ is an ex-officio member and secretary to the Board of Appeals but has no vote, while other board members have full voting rights.
2017 ISPC Section 107.1Gravity Grease InterceptorvsStandard Fixture Trap
A Gravity Grease Interceptor requires a minimum total volume of 300 gallons, two compartments, and 30-minute retention time, whereas a standard fixture trap has no such volume or retention requirements.
2017 ISPC, Section 209.0 - Gravity Grease InterceptorUnderground InspectionvsRough-In Inspection
The underground inspection covers below-grade piping before burial, while the rough-in inspection occurs after piping is installed but before wall or ceiling membranes are closed.
2017 ISPC, Section 105.2Low-Heat AppliancevsLow-Heat Appliance-Type Chimney
A low-heat appliance produces continuous flue gases not exceeding 1,000°F (538°C) at the flue entrance, while its chimney is rated for up to 1,400°F (760°C) during intermittent forced firing for up to one hour.
2017 ISPC Section 203.0 (Appliance, Low-Heat definition)Términos Clave
Minimum Code Requirements (2017 ISPC Section 101.3) 2017 ISPC Section 101.3
The 2017 ISPC is an ordinance providing minimum requirements and standards for the protection of public health, safety, and welfare.
Existing Plumbing Systems – Grandfather Provision (2017 ISPC Section 102.2) 2017 ISPC Section 102.2
Plumbing systems lawfully in existence at code adoption may continue in use, maintenance, or repair per their original design as long as no hazard to life, health, or property is created; immediate upgrade is not required.
Appendices – Not Automatically Adopted (2017 ISPC Section 102.8) 2017 ISPC Section 102.8
Appendix provisions supplement the code but are not considered part of the code unless formally adopted.
Permit Application Expiration (2017 ISPC Section 104.3.3) 2017 ISPC Section 104.3.3
A permit application for which no permit is issued expires by limitation after 180 days from the date of application.
Work Without Permit – Investigation Fee (2017 ISPC Section 104.5.2) 2017 ISPC Section 104.5.2
When work requiring a permit is started without one, an investigation fee equal to the full permit fee is collected in addition to the permit fee, whether or not a permit is subsequently issued.
Insanitary Condition (2017 ISPC Section 211.0) 2017 ISPC Section 211.0 (Insanitary definition)
A condition is insanitary when a trap fails to maintain a proper seal or when a trap's seal is not protected against siphonage and backpressure by a vent pipe.
Violation – Notice Compliance Period (2017 ISPC Section 106.2) 2017 ISPC Section 106.2
Refusal, failure, or neglect to comply with a notice of correction or violation within 10 days of receipt constitutes a code violation.
Board of Appeals – No Waiver Authority (2017 ISPC Section 107.2) 2017 ISPC Section 107.2
The Board of Appeals is not empowered to waive any requirements of the code.
Inspection Advance Notice (2017 ISPC Section 105.2.4) 2017 ISPC Section 105.2.4
The person doing permitted work must notify the AHJ not less than 24 hours before the work is to be inspected.
Hot Water 2017 ISPC, Section 210.0 - Hot Water
Water at a temperature of 120°F (49°C) or higher, per 2017 ISPC Section 210.0.
Bathroom Group 2017 ISPC Section 204.0 (Bathroom Group definition)
A combination of fixtures not exceeding one water closet, two lavatories, one bathtub or combination bath/shower, one shower, and optionally a bidet and emergency floor drain, per 2017 ISPC Section 204.0.
Gravity Grease Interceptor 2017 ISPC, Section 209.0 - Gravity Grease Interceptor
A device identified by a minimum total volume of 300 gallons, 30-minute retention time, baffles, and not less than two compartments using gravity separation, per 2017 ISPC Section 209.0.
Test Gauge Maximum Range 2017 ISPC Section 318.5
Test gauges must have a pressure range not exceeding twice the test pressure applied, per 2017 ISPC Section 318.5.
Steel Nail Plate Minimum Gauge 2017 ISPC Section 312.9
Steel nail plates protecting plastic or copper piping penetrating framing members must be not less than No. 18 gauge (0.0478 inches) thick, per 2017 ISPC Section 312.9.
Thermoplastic Sewer Pipe Bedding 2017 ISPC Section 314.4.1
Underground thermoplastic sewer pipe must be bedded in not less than 4 inches of granular fill, per 2017 ISPC Section 314.4.1.
Prohibited Drainage Fittings 2017 ISPC Section 310.1
Double tee branch, single or double tapped tee branch, side inlet quarter bend, running thread, band, and saddle fittings are prohibited for use as drainage fittings, per 2017 ISPC Section 310.1.
Fórmulas que Debes Saber
Gas Pipe Spare Capacity
Spare Capacity (cfh) = Pipe Capacity (cfh) − Appliance Demand (cfh)Static Pressure from Elevation Head
Static Pressure (psi) = Vertical Height (ft) × 0.433 psi/ftTest Gauge Maximum Range
Max Gauge Range = 2 × Test Pressure AppliedThermoplastic Trench Width – Formula 1
Trench Width (in) = (1.25 × Pipe OD) + 12 inchesThermoplastic Trench Width – Formula 2
Trench Width (in) = Pipe OD + 16 inchesConfined Space Volume Threshold
Confined if Room Volume (ft³) < 50 ft³ × [Aggregate Input (Btu/h) ÷ 1,000 Btu/h]