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【General】 Examinations PDD Actual Questions & Test PDD Free

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NCARB PDD Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 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.:
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.
Topic 5
  • 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.

NCARB ARE 5.0 Project Development and Documentation Exam Sample Questions (Q48-Q53):NEW QUESTION # 48

Refer to the exhibit.
Which device allows for piping misalignment and isolation?
  • A. C
  • B. D
  • C. A
  • D. B
Answer: B
Explanation:
Understanding the Diagram
The image shows a pump installation detail with various vibration and alignment control devices:
* A - Typically a pipe hanger or suspension support to reduce strain on piping.
* B - Likely a flexible electrical conduit (for pump motor connection).
* C - Spring vibration isolators under the pump base to prevent vibration transmission into the building structure.
* D - A flexible pipe connector (also called a flex connector or braided flexible coupling).
Purpose of Flexible Pipe Connectors
Flexible pipe connectors (D in the diagram) are designed to:
* Absorb minor misalignment between connected piping systems.
* Reduce stress on pump flanges due to thermal expansion, settlement, or installation tolerances.
* Isolate vibration from the pump so that it is not transmitted along rigid piping to the building structure.
This makes them essential in mechanical systems where pumps, chillers, or other vibrating equipment connect to rigid building piping.
Why Other Options Are Incorrect:
* A. Pipe hangers/supports - Maintain alignment and support vertical loads but do not allow for misalignment or vibration isolation in the same way as flexible connectors.
* B. Electrical conduit/flexible connection - Relates to electrical supply flexibility, not piping alignment.
* C. Spring vibration isolators - Isolate vibration from equipment to the floor but do not address piping misalignment.
NCARB ARE 5.0 PDD Study Guide References:
* Content Area: Integration of Building Materials & Systems - Mechanical Systems Coordination
* Source References:
* Mechanical and Electrical Equipment for Buildings (MEEB) - Chapter on Vibration Isolation & Pump Installation
* Architectural Graphic Standards - Flexible Connector & Piping Details
* Key Point: Flexible connectors at pumps and equipment protect against misalignment, vibration, and stress transfer to the piping system.

NEW QUESTION # 49
Which of the following have natural resins that resist termite attack? (Check the two that apply)
  • A. Cypress
  • B. Hemlock
  • C. Douglas fir
  • D. Oak
  • E. Southern yellow pine
  • F. Red cedar
Answer: A,F
Explanation:
In wood selection for exterior construction, certain species' heartwoods contain natural extractives/resins that deter decay and insect activity. Western Red Cedar and Cypress are well known for natural durability and termite resistance without chemical treatment. Species such as Douglas fir, hemlock, southern yellow pine, and most oaks are not reliably termite#resistant in their sapwood and typically require preservative treatment for use in termite zones.
PDD References: NCARB ARE 5.0 PDD content area "Materials & Assemblies-Wood" (durability/decay resistance), CSI Div. 06 wood materials selection notes, and IBC Appx. on decay- and termite#prone areas- select naturally durable species or preservative treatment.

NEW QUESTION # 50
Which of the following is an advantage of using a glycol-cooled air conditioning unit for a computer room?
  • A. It allows for a greater distance from the computer room to the outside unit.
  • B. It reduces the amount of heat exhausted from the computer room.
  • C. Glycol units are a sustainable cooling solution.
  • D. Glycol is cheaper than water for cooling.
Answer: A
Explanation:
Glycol-cooled air conditioning systems use a glycol-water mixture as a secondary coolant instead of plain water. Glycol has lower freezing point and better heat transfer properties in certain conditions.
Advantages include:
Longer piping runs without freezing risk, allowing the chiller or cooling unit to be located further away from the computer room, useful for flexible building layouts.
Glycol prevents freezing in cold climates or exposed pipes.
It does not inherently reduce heat exhausted or is necessarily more sustainable than water cooling.
Glycol is generally more expensive than water.
Therefore, the primary advantage is the ability to locate the cooling unit farther from the space being cooled.
References:
NCARB ARE 5.0 Review Manual, Mechanical Systems chapter
HVAC system design manuals
ASHRAE guidelines on computer room cooling and chilled water systems

NEW QUESTION # 51
A construction detail for a window sill shows metal flashing terminating behind the exterior cladding. Which principle is being demonstrated?
  • A. Thermal bridging
  • B. Air barrier continuity
  • C. Water management
  • D. Structural redundancy
Answer: C
Explanation:
Proper flashing is critical for water shedding and moisture protection. Flashing behind the cladding allows water to drain outward-addressing ARE Objective 3.3: Evaluate construction details for moisture control.

NEW QUESTION # 52
In which of the following locations in concrete masonry should a control joint be placed?
  • A. At the first course of masonry walls
  • B. In the center of window openings
  • C. At changes in wall height
  • D. At each corner of the foundation wall
Answer: C
Explanation:
Control joints in concrete masonry walls are designed to accommodate movement caused by thermal expansion, moisture changes, and settlement.
Control joints should be placed at locations of stress concentration, such as changes in wall height, changes in wall thickness, or at large wall expanses.
They are not placed at the first course of masonry (which is typically reinforced and anchored to the foundation).
They are generally not placed at window corners or in the center of window openings but rather at planned intervals or changes in geometry.
Placing a control joint at changes in wall height allows movement without cracking.
References:
NCARB ARE 5.0 Review Manual, Materials and Assemblies chapter
Masonry design and control joint placement per ASTM standards
Masonry construction manuals (e.g., NCMA TEK)

NEW QUESTION # 53
......
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