Hoja de Referencia del Examen · Referencia Rápida
Mississippi Building Construction
Mississippi · 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
80
Puntaje de aprobación
70%
Tiempo del examen
180 min
Administrado por
PSI Services Contractor
Formato
Se permiten materiales de referencia
Porción Estatal de Mississippi 80 preguntas
Trabajo en Sitio
6 Q · 8%
Building site layout and staking (plot plan, setbacks, reference lines)Surveying instruments and methods (levels, transits, theodolites, GPS, laser levels)Batter boards, grade establishment, and differential levelingMississippi 811 one-call notification requirements and underground utility markingExcavation safety and trench shoring systems (open ditch, shoring jacks, trench box)Soil compaction methods, Proctor testing, and backfill requirementsSite clearing and preparation (grubbing, tree removal, pavement removal)Grading, cut and fill quantities, and IBC grading requirements
Concreto
12 Q · 15%
Concrete mix design and proportioning (water-cementitious materials ratio, strength, durability)Portland cement types and hydraulic cement propertiesAggregates for concrete (classification, grading, quality requirements)Chemical admixtures (air-entraining, water-reducing, accelerating, retarding)Reinforcing steel (types, grades, placement, cover, bar supports, splicing)Formwork design, materials, and form releasePlacing, consolidating, and finishing concrete (subgrade prep, vapor retarders, joints, curing methods)Special concreting conditions (hot weather, cold weather, post-tensioning, OSHA safety requirements)
Mampostería
6 Q · 8%
Brick types, classifications, and ASTM standards (building, facing, hollow, paving, glazed, thin veneer)Concrete masonry unit (CMU) types, sizes, grades, and shapesMortar types (M, S, N, O, K), proportioning, mixing, and propertiesMasonry wall systems (solid, cavity, composite, anchored veneer, reinforced)Brick and block laying techniques (spreading mortar, leads, courses, leveling, plumbing)Flashing, weep holes, wall ties, and moisture control in masonry wallsMasonry anchors, joint reinforcement, and steel reinforcement (rebar) in masonryIBC requirements for masonry construction, quality assurance, and seismic design
Metales
10 Q · 12%
Open web steel joist types and designation systems (K-, LH-, DLH-, CJ-Series, joist girders)IBC Chapter 22 code requirements for structural steel, cold-formed steel, and steel joistsSteel joist erection procedures and erection stability requirementsBridging types, installation requirements, and erection bridging rules by spanReceiving, unloading, storage, and handling of steel joist productsSteel joist end support, bearing length, and bearing seat attachment requirementsCold-formed steel light-frame construction types, tools, fastening methods, and framing techniquesField inspection, field welding quality control, and jobsite repair of steel joist products
Carpintería
7 Q · 9%
Wood framing systems (platform, balloon, post-and-beam, in-line framing)Floor framing components (sill plates, girders, joists, subfloor, bridging)Wall framing components and layout (studs, plates, headers, cripple studs, trimmer studs, sheathing)Roof framing types and rafter layout (common, hip, valley, jack rafters; slope and pitch calculations)Roof assembly and sheathing (ridge installation, collar ties, cornice, rake, panel sheathing)Engineered wood products (plywood grading, LVL, glulam, OSB, I-joists)Stairway design and construction (stringers, treads, risers, headroom, handrails, code requirements)Carpentry hand tools, power saws, and pneumatic tools (identification, safe use, and maintenance)
Protección Térmica y contra Humedad
7 Q · 9%
Insulation types, materials, and R-valuesVapor retarders and moisture control in wall and roof assembliesRoof underlayment requirements and installation by roof type and slopeFlashing installation at walls, valleys, chimneys, and penetrationsRoof covering materials and their installation requirements (asphalt, wood, tile, slate, metal, BUR, elastomeric)Weather-resistant exterior wall envelope and water-resistive barriersRoof drainage, ventilation, and ice barrier requirementsFire classification of roof assemblies
Puertas y Ventanas
3 Q · 4%
Door types and their applications (exterior and interior)Door construction types (solid-core, hollow-core, raised-panel)Door hardware (hinges, locksets, strike plates)Window types and operational styles (double-hung, casement, awning, hopper, sliding, stationary)Window and door energy efficiency (glazing types, weatherstripping, thermal performance ratings)Safety glazing requirements and hazardous locations (IBC Section 2406)Egress window requirements (minimum dimensions, sill height, open area)Skylight installation and flashing requirements
Acabados
3 Q · 4%
Drywall types, installation, and fastening (including fire-code and moisture-resistant panels)Taping, joint compound application, and finishing drywall surfacesPlaster systems (veneer plaster, three-coat plaster, lath types, and trim accessories)Suspended and acoustical ceiling installationInterior finish flame spread and smoke development classifications (IBC requirements by occupancy)Gypsum board and plaster code requirements (IBC Chapter 25 material standards and limitations)Finish flooring installation (hardwood strip, parquet, engineered wood, vinyl, ceramic tile, and carpet)Molding and trim installation (baseboard, crown molding, door and window casing, coping and mitering)
Seguridad
8 Q · 10%
Fall protection systems (guardrail, safety net, personal fall arrest)OSHA employer responsibilities and accident prevention programsPersonal protective equipment (PPE) selection and requirementsScaffold erection, capacity, and fall protection requirementsFire protection and prevention on construction sitesExcavation hazards, cave-in protection, and shoring systemsElectrical safety and ground fault protection on construction sitesConfined space entry procedures and permit requirements
Código General, Lectura de Planos y Presupuestación
15 Q · 19%
IBC occupancy classification and use groups (A, B, E, F, H, I, M, R, S, U)IBC types of construction and fire-resistance rating requirements (Types I–V)Building height, number of stories, and area limitations by occupancy and construction typePermit application process, building official authority, and certificate of occupancyReading architectural and construction drawings (floor plans, elevations, sections, symbols, abbreviations, and scale)Cost estimating methods (quantity takeoff, board feet, cost per square foot, direct and indirect costs, bidding)Means of egress requirements (occupant load, exit numbers and spacing, egress width, illumination)Fire and smoke protection features (fire walls, fire barriers, fire partitions, smoke barriers, exterior wall ratings)
Mississippi One Call
3 Q · 4%
Advance notice requirements and timeframes for standard excavationEmergency and impending emergency excavation proceduresPre-marking and locate request ticket requirementsOperator marking responsibilities and color-code standardsTolerance zone requirements and safe excavation practices near marked facilitiesDamage reporting obligations and liability provisionsLarge project excavation and preconstruction meeting proceduresEnforcement, civil penalties, and the Underground Facilities Damage Prevention Board
Distinciones Clave
Active pressure (lateral soil)vsAt-rest pressure (lateral soil)
Foundation walls ≤8 ft below grade with flexible diaphragm support may be designed for the lesser active pressure, while walls restricted from horizontal movement at the top must be designed for the greater at-rest pressure.
2021 International Building Code, Section 1610.1Fiberglass asphalt shinglesvsOrganic asphalt shingles
Fiberglass shingles use a fiberglass base mat, whereas organic shingles use a cellulose-fiber base mat, both saturated and covered with asphalt and mineral granules.
Roofing Construction and Estimating, Chapter 4—Asphalt ShinglesDirect (job) overhead costvsDirect construction cost
Direct overhead costs (e.g., traffic control, barricades, flaggers) are administrative costs tied to a specific job but not to a trade or phase, while direct construction costs are labor, material, and equipment items (e.g., pipe materials, backhoe rental, bedding aggregate).
Pipe and Excavation Contracting, Pages 20-21TheodolitevsTransit
A theodolite reads horizontal and vertical angles electronically and displays on an LCD screen requiring no vernier scale, while a conventional transit is read manually with a vernier scale.
Carpentry and Building Construction, Chapter 9 — Types of InstrumentsGround sign (combustible frame)vsGround sign (noncombustible)
A combustible-frame ground sign is limited to 35 feet in height, while a ground sign constructed entirely of noncombustible material may be erected up to 100 feet.
IBC 2021, Page H-3Extruded Expanded Polystyrene (XPS)vsExpanded Polystyrene (EPS)
XPS has greater compressive strength and is specifically suitable for below-grade foundation wall use, while standard EPS has lower compressive strength and is not specifically rated for below-grade applications.
Carpentry And Building Construction, Section 31.1 — Rigid Insulation Materials and R-ValueFive-bag concrete mixvsSix-bag concrete mix
Five-bag mix (five 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 226Primary roof drainage systemvsSecondary roof drainage system
The primary drainage system handles normal flow, while the secondary system is positioned at a higher elevation to limit water accumulation above that elevation if the primary system is blocked.
2021 International Building Code, Section 1611.3Engineering/administrative controls (airborne contaminants)vsRespiratory protective equipment
Engineering or administrative controls must be implemented first whenever feasible to reduce employee exposure to permissible limits; respirators and other protective equipment are a secondary measure used only when controls are not sufficient.
29 CFR 1926, §1926.55(b)Load-bearing wall rough opening (steel framing)vsNon-load-bearing wall rough opening (steel framing)
In non-load-bearing partition walls, 1½ inches is added on each side of a door opening for wood studs, while panelized (load-bearing) wall openings add 12 inches of width to accommodate two trimmer studs and a wood stud on each side.
Carpentry and Building Construction, Section 29.3, Rough Openings (Nonload-Bearing Walls)Foundation slab thickening (interior bearing wall)vsStandard footing (with formwork)
The thickened slab beneath an interior bearing wall is formed by a trench dug into the subgrade rather than by formwork as used for a standard footing.
Carpentry and Building Construction, Section 11.1, Page 295Class B fire extinguishervsClass A fire extinguisher
Class B extinguishers are rated for fires involving grease, oil, and chemicals, while Class A extinguishers are for fires involving wood, paper, cloth, and plastic.
Carpentry and Building Construction, Construction Safety & Health, Page 81Términos Clave
Rain Load Formula (R = 5.2(ds + dh)) Carpentry and Building Construction, Construction Safety & Health, Page 81
Per IBC 2021 Section 1611.1, roof rain load is calculated as R = 5.2(ds + dh), where ds is the static head depth to the secondary drain inlet and dh is the hydraulic head above that inlet at design flow.
Ponding Instability Evaluation 2021 International Building Code, Section 1611.2
Per IBC 2021 Sections 1608.3 and 1611.2, susceptible roof bays must be evaluated for ponding instability in accordance with Chapters 7 and 8 of ASCE 7.
Concrete Floor Slab Minimum Thickness 2021 International Building Code, Section 1907.1
Per IBC 2021 Section 1907.1, concrete floor slabs supported directly on the ground shall be not less than 3½ inches thick.
Polyethylene Vapor Retarder (under slab) 2021 International Building Code, Section 1907.1
Per IBC 2021 Section 1907.1, a 6-mil polyethylene vapor retarder with joints lapped not less than 6 inches must be placed between the base course or subgrade and the concrete floor slab.
Plain Concrete Footing Minimum Thickness (light-frame R-3) 2021 International Building Code, Section 1906.1
Per IBC 2021 Section 1906.1, plain concrete footings for Group R-3 and similar light-frame buildings may be as thin as 6 inches provided the footing does not extend more than 4 inches on either side of the supported wall.
Construction Document Structural Requirements 2021 International Building Code, Section 1603.1
Per IBC 2021 Section 1603.1, construction documents must show the size, section, and relative locations of structural members with floor levels, column centers, and offsets dimensioned.
Cripple Wall Bracing Factor IRC Section R602.10.10
Per IRC Section R602.10.10, the required bracing length for a cripple wall must be multiplied by a factor of 1.15 compared to the bracing length used for the wall above.
Top Plate Repair Tie (notching > 50%) IRC Section R602.6.1
Per IRC Section R602.6.1, when piping or ductwork notches a top plate more than 50% of its width, a galvanized metal tie not less than 0.054 inch thick and 1½ inches wide fastened with eight 10d nails on each side must be installed across the opening.
Trench Egress Lateral Travel Limit 29 CFR 1926, §1926.651(c)(2)
Per 29 CFR 1926.651(c)(2), in trench excavations 4 feet or more deep, a safe means of egress must be located so employees travel no more than 25 feet laterally to reach it.
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's top rail must be 42 inches plus or minus 3 inches above the walking/working surface.
Differential Leveling Carpentry and Building Construction, Chapter 9 — Measuring a Difference in Elevation
The surveying process of determining elevation differences between remote points that require one or more intermediate instrument setups 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.
Material Safety Data Sheet (MSDS) Carpentry and Building Construction, Construction Safety & Health, Book Page 92
A manufacturer-required document that provides hazard information for a product, including toxicity levels, first-aid recommendations, storage, disposal instructions, and spill response.
Batter Boards Carpentry and Building Construction, Chapter 9 — Setting Up Batter Boards
Temporary boards supported by 2×4 stakes driven at least 4 feet beyond the foundation lines at each building corner, used to hold layout strings for excavation and foundation work.
Room-Finish Schedule Carpentry and Building Construction, Section 2.3, Page 57
An architectural plan document that identifies the materials and finishes to be used for floors, walls, and ceilings in each room of a 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 when a vapor retarder is present over the soil.
Fórmulas que Debes Saber
Rain Load on Undeflected Roof
R = 5.2(ds + dh) [ds = static head depth to secondary drain inlet; dh = hydraulic head above inlet at design flow]Crawl Space Required Ventilation Area
Net vent area (sq ft) = Crawl-space floor area (sq ft) ÷ 150Excavation Volume (cubic yards)
Volume (cy) = [(Length + 2×clearance) × (Width + 2×clearance) × Depth] ÷ 27Maximum Elevation Difference Between Points
Elevation difference = Highest elevation − Lowest elevationCripple Wall Bracing Length
Cripple wall bracing length = Wall-above bracing length × 1.15Board Feet of Lumber
Board feet = (Thickness in inches × Width in inches × Length in feet) ÷ 12Radiant Barrier Air Space (minimum)
Minimum air space between barrier and underside of sheathing = 1 inchConcrete Rebar Cover in Footings (minimum)
Minimum concrete cover over rebar in footings = 3 inches