Hoja de Referencia del Examen · Referencia Rápida

Georgia Residential Light Commercial Contractor Exam

Georgia  ·  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
90
Puntaje de aprobación
70%
Tiempo del examen
230 min
Administrado por
PSI Services Contractor
Formato
Se permiten materiales de referencia

Porción Estatal de Georgia 90 preguntas

Trabajo de Sitio, Zapatas y Cimentación 8 Q · 9%
Footing design requirements (size, depth, and frost protection)Soil classification and presumptive load-bearing valuesFoundation wall types (concrete, masonry block, wood, precast)Site layout, grading, and drainage requirementsSoil compaction methods and testing (Proctor tests, field density)Dampproofing, waterproofing, and subsurface drainage systemsFoundation anchorage and sill plate attachmentExcavation, rock removal, and groundwater control
Concreto y Refuerzo de Concreto 8 Q · 9%
Concrete mixture components and water-cement ratioPortland cement types and supplementary cementitious materialsConcrete admixtures (air-entraining, accelerating, retarding, water-reducing)Steel reinforcement types, grades, and bar identificationConcrete formwork design, materials, and safety requirementsFooting and foundation design requirements (size, depth, frost protection)Concrete placement, consolidation, and finishing techniquesJoints in concrete (contraction, isolation, and construction joints)
Metales 5 Q · 6%
Steel deck types and profiles (composite floor, roof, form, cellular, acoustic)Steel deck fastening methods (arc spot welds, screws, powder-actuated and pneumatic pins, side lap connections)Open web steel joist product series and designations (K-, LH-, DLH-, CJ-Series, joist girders)Joist and steel deck erection bridging requirements and OSHA compliance (29 CFR 1926.757)Cold-formed steel framing members, designations, and construction methods (stick-built, panelized, pre-engineered)Receiving, unloading, and jobsite storage of steel joist products and steel deckSteel deck and joist quality control, inspection, and field welding requirementsIBC 2018 Chapter 22 governing standards for structural steel, cold-formed steel, steel joists, and aluminum (AISC 360, AISI S100, SJI specifications)
Mampostería 6 Q · 7%
Masonry materials: brick, concrete masonry units (CMU), and stone types and classificationsMortar types, proportions, mixing, and applicationLaying brick: spreading mortar, forming joints, leads, and mason's lineLaying concrete block: wall types, face shell bedding, and corner leadsMasonry wall systems: solid, cavity, hollow, composite, and anchored veneer wallsMasonry foundation systems: footings, foundation walls, dampproofing, and waterproofingAnchors, metal ties, joint reinforcement, and flashing detailsMasonry fireplaces and chimneys: construction requirements, fireboxes, flues, and seismic reinforcing
Carpintería 16 Q · 18%
Wall framing components and assembly (studs, plates, headers, cripple studs, trimmer studs)Floor framing systems (joists, girders, sill plates, subfloor, bridging)Roof framing types and components (common, hip, valley, and jack rafters; ridge board vs. ridge beam)Wood truss design, installation, temporary restraint, and permanent bracing (BCSI requirements)Engineered wood products (LVL, glulam, I-joists, OSB, plywood grading and applications)Wall bracing methods and sheathing requirements (IRC braced wall panels, wood structural panels)Stairway construction (stringers, treads, risers, handrails, building code requirements)Finish carpentry elements (interior doors, windows, molding and trim, cabinets and countertops)
Techos 10 Q · 11%
Roof framing terminology and basic roof styles (gable, hip, shed, gambrel, mansard)Common rafter layout and sizing using span tables (IRC R802)Hip, valley, and jack rafter layout and length calculationWood roof sheathing types, grades, and installation requirementsRoof covering materials and minimum slope requirements (asphalt shingles, tile, metal, wood shakes, slate)Underlayment types, application, and ice barrier requirementsFlashing installation (valleys, step flashing, drip edge, crickets/saddles)Roof ventilation, attic access, and Georgia IRC amendments to Chapter 8
Conocimiento General de Código y Construcción 20 Q · 22%
Building permits, inspections, and certificates of occupancyOccupancy classification and use groups (IBC Groups A, B, E, F, H, I, M, R, S, U)Types of construction and fire-resistance rating requirementsBuilding height, number of stories, and allowable area limitationsMeans of egress components, occupant load calculation, and exit requirementsFire and smoke protection features including fire walls, fire barriers, and exterior wall openingsAccessibility requirements under IBC Chapter 11 and Georgia Accessibility CodeGeorgia-specific amendments to IRC and IBC including scope, fire sprinkler provisions, and disaster resilient constructionEnergy code compliance (IECC 2015 with Georgia supplements): climate zones, insulation R-values, fenestration U-factors, air leakage and duct testing
Oficios Asociados 10 Q · 11%
Gypsum board and panel product types, properties, and selectionDrywall installation methods, fastening, and framing requirementsJoint treatment, finishing levels, and trim accessories for drywallInterior plaster and veneer plaster systemsExterior and interior wall covering materials and code requirements (IRC/IBC)Thermal and acoustical insulation types, R-values, and installationMechanical systems overview: plumbing, electrical, and HVAC rough-inFinish flooring types, installation, and moisture considerations
Seguridad OSHA 7 Q · 8%
Fall protection systems and guardrail requirements (Subpart M)Scaffold safety requirements and capacity (Subpart L)Ladder and stairway safety (Subpart X)Personal protective equipment selection and use (Subpart E)Excavation and trenching hazards and protective systems (Subpart P)Fire protection and flammable liquid storage (Subpart F)Electrical safety and ground-fault protection on construction sites (Subpart K)Hazardous substances and toxic materials exposure limits (Subparts D and Z)

Distinciones Clave

Quality ControlvsQuality Assurance

Quality control involves actions to control the product so it meets requirements, while quality assurance verifies that those controls are in place and working.

The Contractor's Guide to Quality Concrete Construction, Page 132
Type-X DrywallvsType-C Drywall

Type-X is 5/8" thick with glass fibers to resist crumbling in heat, while Type-C is even more fire-resistant and additionally contains vermiculite.

Carpentry And Building Construction, Chapter 32, Fire-Code Drywall section
Type-S Drywall ScrewsvsType-W Drywall Screws

Type-S screws have narrow threads and are designed for steel framing, while Type-W screws have wide threads designed to grip wood framing aggressively.

Carpentry And Building Construction, Chapter 32, Drywall Fasteners section
Setting-Type Joint CompoundvsDrying-Type Joint Compound

Setting-type compound cures by chemical reaction, is stronger, and comes only in powder form, while drying-type compound cures by evaporation and is available pre-mixed.

Carpentry And Building Construction, Chapter 32, Setting-Type Compounds section
Topping CompoundvsTaping/Setting Compound

Topping compound shrinks very little and finishes smoothly for final coats, while taping or setting compound is stronger and used to embed the joint tape in initial coats.

Carpentry And Building Construction, Chapter 32, Joint Compound section
Horizontal Drywall ApplicationvsVertical Drywall Application

Horizontal application reduces total joint footage by up to 25% and runs the panel's strongest dimension across studs, while vertical application results in more linear feet of joints to tape.

Carpentry And Building Construction, Chapter 32, Horizontal Application section
Direct (Job) Overhead CostvsDirect Construction Cost

Direct job overhead costs (e.g., traffic control, barricades) are administrative costs tied to a specific job but not to a specific trade, while direct construction costs are labor, material, and equipment tied directly to a construction phase.

Pipe and Excavation Contracting, Pages 20-21
3/8" Gypsum Panelsvs1/2" and 5/8" Gypsum Panels

3/8" panels are limited to framing spaced a maximum of 16" on center, while 1/2" and 5/8" panels are designed for framing centers up to 24".

Gypsum Construction Handbook, Page 3 (Gypsum Panel Limitations item 3)
Extruded Expanded Polystyrene (XPS)vsExpanded Polystyrene (EPS)

XPS has greater compressive strength making it suitable for below-grade foundation insulation at R-5 per inch, while standard EPS has lower compressive strength and is not specifically rated for below-grade use.

Carpentry And Building Construction, Section 31.1 — Rigid Insulation Materials and R-Value
Glass-Mat Gypsum BoardvsMoisture-Resistant (Green) Board

Glass-mat gypsum board has fiberglass-covered surfaces and is approved as tile backing in shower stalls and tub/shower surrounds, while green board is no longer permitted in those wet areas (except on ceilings).

Carpentry And Building Construction, Chapter 32, Moisture-Resistant Drywall section
Five-Bag Concrete MixvsSix-Bag Concrete Mix

Five-bag mix (5 bags of cement per cubic yard) is the minimum acceptable for most work, while six-bag mix is specified where high strength is needed or where steel reinforcement is used.

Carpentry and Building Construction, Section 8.2, Page 226
Roof Slope ≥ 3:12vsRoof Slope < 3:12

At slopes of 3:12 or greater, prescriptive framing details apply to hips, valleys, and ridge boards; below 3:12, those members must be engineered and designed as beams.

IBC Section 2308.7

Términos Clave

Egress in Trench Excavations (≥4 ft deep) 29 CFR 1926, §1926.651(c)(2)
Per 29 CFR 1926.651(c)(2), a stairway, ladder, ramp, or other safe egress must be located so no employee travels more than 25 feet laterally to reach it.
Fire Extinguisher Travel Distance (2A Rating) 29 CFR 1926, §1926.150(c)(1)(i)
Per 29 CFR 1926.150(c)(1)(i), a 2A-rated extinguisher must be provided for each 3,000 sq ft of protected building area with a maximum travel distance of 100 feet to the nearest unit.
Fire Extinguisher for Flammable Liquids (10B Rating) 29 CFR 1926, §1926.150(c)(1)(vi)
Per 29 CFR 1926.150(c)(1)(vi), a 10B-rated extinguisher must be placed within 50 feet wherever more than 5 gallons of flammable/combustible liquids or 5 pounds of flammable gas are in use.
Guardrail Top Rail Height 29 CFR 1926, §1926.502(b)(1)
Per 29 CFR 1926.502(b)(1), the top edge of a guardrail system must be 42 inches (±3 inches) above the walking/working surface.
Occupant Load Factor — Assembly, Unconcentrated (Tables & Chairs) International Building Code 2018, Page 259 (Table 1004.5)
Per IBC Table 1004.5, assembly areas without fixed seating arranged with tables and chairs use an occupant load factor of 15 net square feet per occupant.
Prescriptive Roof Framing Slope Threshold IBC Section 2308.7
Per IBC Section 2308.7, prescriptive light-frame roof provisions apply only to roofs with a slope of not less than 3:12; below that, ridge boards, hips, and valleys must be designed as beams.
Keyway Carpentry and Building Construction, Section 10.1, Page 258
A groove (typically 3½" wide × 1½" deep) formed in the top of a concrete footing that mechanically locks the foundation wall to the footing and prevents moisture seepage between them.
Consolidation (Concrete) Carpentry and Building Construction, Section 8.2, Page 227
The process of removing air pockets and forcing concrete into all parts of the forms, accomplished by vibrating, tamping, spading, or tapping the forms.
Retarding Admixture The Contractor's Guide to Quality Concrete Construction, Pages 72 and 82
A concrete additive that delays setting time, slows strength gain, and increases lateral pressure on vertical formwork (chemistry coefficient CC = 1.2), requiring forms to remain in place longer.
Material Safety Data Sheet (MSDS) Carpentry and Building Construction, Construction Safety & Health, Book Page 92
A manufacturer-required document that lists physical data, toxicity levels, first-aid recommendations, storage, disposal procedures, and protective equipment requirements for hazardous materials on the job site.
Room-Finish Schedule Carpentry and Building Construction, Section 2.3, Page 57
A plan document that identifies the materials and finishes to be used for floors, walls, and ceilings in each room of the building.
Crawl-Space Ventilation Ratio Carpentry And Building Construction, Section 31.1 — Crawl-Space Ventilation
A minimum of 1 square foot of net ventilation area is required for every 150 square feet of crawl-space floor area (e.g., 1,200 sq ft ÷ 150 = 8 sq ft of venting required).
Segmented Corner Bead Carpentry And Building Construction, Chapter 32, Trim Accessories section
A flexible trim accessory whose segmented design allows it to conform to curved surfaces such as arched doorway openings for protection and smooth finishing.
Corner Trowel Carpentry And Building Construction, Chapter 32, Corner Trowel section
A drywall finishing tool with a blade angled at 103° that flexes to 90°, designed specifically for applying joint compound to inside corners.

Fórmulas que Debes Saber

Excavation Volume (cubic yards)[(Length + clearance both sides) × (Width + clearance both sides) × Depth] ÷ 27
Crawl-Space Ventilation Area (sq ft)Crawl-space floor area (sq ft) ÷ 150
Drywall Sheets Required (figured solid, no deductions)[(Perimeter × Wall height) + (Length × Width of ceiling)] ÷ 32
Joint Tape Required (lineal feet)(Total drywall area ÷ 1,000) × 370
Occupant LoadFloor area (net or gross, per use) ÷ Occupant load factor
Elevation Difference Between Two PointsHigher elevation − Lower elevation
Board Feet of Lumber(Thickness in inches × Width in inches × Length in feet) ÷ 12