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NCARB PDD Exam Questions
- Topic 1: Integration of Building Materials & Systems: This section of the exam measures the skills of Architectural Designers and focuses on the ability to resolve and integrate various building systems into cohesive project goals. It covers analyzing architectural systems and technologies, determining the size of structural, mechanical, electrical, and plumbing systems, and incorporating specialty systems such as acoustics, lighting, security, and communications. It also evaluates the ability to detail how multiple building systems work together and to coordinate across disciplines to achieve a unified design.
- Topic 2: Construction Documentation: This section of the exam measures skills of Project Architects and addresses the creation and management of project documentation. Candidates are expected to demonstrate knowledge of documenting building design and site features, preparing detailed architectural drawings, and applying industry standards to produce a coordinated set of construction documents. The section also includes understanding how project changes impact documentation and how to communicate these updates effectively to both the design team and the client.: Project Manual & Specifications: This section of the exam measures the skills of Specifications Writers and emphasizes the importance of developing documentation that goes beyond drawings. Candidates must understand how to identify and prioritize elements needed to prepare, maintain, and refine both the project manual and project specifications. It also assesses the ability to align and coordinate these specifications with the construction documents to ensure consistency and accuracy.
- Topic 3: Codes & Regulations: This section of the exam measures skills of Building Code Specialists and examines how codes and regulations apply at a detailed level during documentation. Candidates are expected to demonstrate knowledge of compliance with the International Building Code (IBC) as well as other specialty regulations, as well as how to interpret and apply these standards to ensure design and documentation meet legal and safety requirements.
- Topic 4: Construction Cost: This section of the exam measures the skills of Construction Managers and focuses on the financial side of project execution. It evaluates the ability to analyze construction cost estimates to confirm that they align with project design intent and budgetary constraints. Although this is the smallest section, it is critical for ensuring projects remain feasible and economically viable.
Free NCARB PDD Exam Actual Questions
Note: Premium Questions for PDD were last updated On Apr. 13, 2026 (see below)
In winter conditions, when the outdoor air is below freezing and the indoor humidity is maintained at 40 percent relative humidity for 24 hours a day, ice forms on the exterior surface of the stone facing.
Which of the following elements is missing from the building wall section?
With outdoor below freezing and indoor RH ~40% continuously, interior vapor will migrate outward. If a proper interior-side vapor barrier/retarder is missing, moisture moves through the wall and can condense and freeze at the cold exterior stone, forming visible ice. Insulation, air spaces, or rain screens help heat/moisture management, but the symptom (ice due to vapor diffusion) points specifically to the lack of an interior vapor barrier in a cold-climate assembly.
PDD references: Moisture control & vapor retarder strategy in cold climates; condensation diagnostics (ASHRAE Fundamentals; ARE 5.0 PDD---Envelope moisture control).
In an air-conditioned space in a tropical environment, roof insulation is being applied above a structural deck. In order to avoid problems related to condensation, where should the vapor barrier be installed?
In a tropical climate, the interior is cooler and drier than the hot, humid exterior. The vapor drive is from outside inside, so the vapor retarder must be installed on the warm/moist side of the assembly, which is below the insulation when the insulation is above the roof deck. This prevents moist exterior air from reaching cooler surfaces inside the insulation where condensation could occur.
PDD Reference: Psychrometrics & vapor drive principles, PDD ''Thermal & Moisture Protection---Placement of vapor barriers,'' ASHRAE Handbook recommendations.
During the documentation of an office building, the owner requests a fitness center amenity be added to the scope. The mechanical engineer informs the architect that the mechanical unit currently located on a utility mezzanine will need to increase in size to accommodate the required increased capacity.
Who should the architect confirm with that the larger unit will work in this location?
When the mechanical unit on a utility mezzanine increases in size:
The structural engineer must confirm the mezzanine can support the increased weight and dynamic loads of the larger unit.
The architect coordinates with the structural engineer to ensure structural integrity.
The building owner is informed but not responsible for technical assessment.
The authority having jurisdiction (AHJ) oversees code compliance but not structural verification.
Accessibility consultant deals with accessibility issues, not mechanical equipment sizing.
NCARB ARE 5.0 Review Manual, Project Development and Documentation chapter
Building systems coordination and structural integration
Which of the following documents would the architect need in order to prepare the specifications?
To prepare project specifications, the architect requires documents that inform about site conditions, building construction, and interior finishes:
Geotechnical report provides soil conditions, foundation recommendations, and site constraints.
Building sections provide detailed information on assemblies, materials, and vertical relationships.
Room finish schedule identifies finishes, materials, and related specifications for interior spaces.
Legal surveys, traffic management plans, and door schedules are important for planning and design coordination but less directly informative for writing specifications.
NCARB ARE 5.0 Review Manual, Project Development and Documentation chapter
CSI Construction Specifications Practice guides
Project delivery and documentation best practices
An architect is rehabilitating a historic federal landmark that requires repairs to a garden wall. The existing brick appears to be in good condition; the mortar shows significant signs of deterioration.
Which strategy should the architect propose to repair the damaged wall?
(PDD) Study Guide Reference
For historic masonry rehabilitation, the accepted approach (e.g., NPS Preservation Brief 2: Repointing Mortar Joints in Historic Masonry) is to hand-rake deteriorated mortar to a proper depth (typically 2--2 the joint width or until sound mortar is reached), avoid power-saw removal that can damage historic brick, and match the original mortar in composition, hardness, color, and tooling.
A is incorrect because removing all mortar for a ''uniform appearance'' is unnecessary and risks damaging sound joints.
B is incorrect because electric saws can chip and over-cut historic brick arrises, violating preservation best practices.
C is correct: careful hand removal of loose/deteriorated mortar followed by repointing with compatible mortar is the recommended method.
PDD Reference: Historic fabric protection under ''Codes/Regulations & Standards---Historic preservation,'' detailing of masonry repairs in construction documents (Division 04), and QA/QC specifications for repointing.
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