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NCARB ARE 5.0 Project Development and Documentation Exam Sample Questions (Q41-Q46):
NEW QUESTION # 41
Refer to the exhibit.
What will the overall coefficient of Heat Transmission (U-value) of the building assembly illustrated in the attached figure become if unfaced R-19 batt insulation is added in the stud spaces in the wall cavity?
Answer: D
Explanation:
From the exhibit, the existing wall has a total thermal resistance R = 4.12.
Overall heat transmission (U-value) is U = 1/R = 1/4.12 # 0.24, which matches the figure.
If unfaced R#19 batt insulation is added in the stud cavity, the total resistance increases by 19:
A math equations and numbers AI-generated content may be incorrect.
References (ARE PDD Study):
* Architectural Graphic Standards-Thermal properties of envelope assemblies; R and U relationships.
* Building Construction Illustrated (Ching)-Heat flow through walls and calculating U-values.
* NCARB ARE 5.0 Handbook-PDD: Building Envelope performance and energy calculations.
NEW QUESTION # 42
Refer to the exhibit.
In the curtain wall systems shown, each of the aluminum mullions is designed to allow for which of the following?
Answer: C
Explanation:
1. Understanding the Diagram
The three sections in the exhibit show different curtain wall mullion profiles (vertical and horizontal sections) designed for glazing systems.
In curtain wall design, aluminum mullions must accommodate:
* Structural loads (wind, dead load of glass, seismic)
* Thermal expansion and contraction of metal members
* Building movement (floor-to-floor deflection, live load, creep, seismic drift)
2. Why Vertical Expansion is Relevant
* The vertical mullions in curtain wall systems span multiple floors and are typically anchored at one end and allowed to float/slip at the other end to accommodate vertical building movement.
* Movement can be due to:
* Thermal expansion of aluminum mullions (aluminum has a high coefficient of thermal expansion).
* Inter-story drift from lateral loads.
* Floor live-load deflection.
* The mullion joinery and connections at the anchors are specifically detailed to allow vertical sliding while maintaining weather seals.
3. Why Other Options Are Incorrect
* A. Capillary action - This refers to water movement in small spaces; curtain walls are designed with weeps and pressure-equalized cavities to prevent it, but that is not what the mullion's slip connections are for.
* B. Horizontal expansion - Horizontal movement is generally handled at horizontal mullions
/transoms or gasket joints, not the vertical mullion extrusion as shown.
* D. Surface tension - Refers to water behavior, not a structural or thermal movement design issue.
4. NCARB ARE 5.0 PDD Study Guide References
* Content Area: Building Envelope Systems - Curtain Wall Detailing
* Key Sources:
* Architectural Graphic Standards - Curtain wall movement joints
* Building Construction Illustrated (Ching) - Curtain wall expansion and anchoring details
* AAMA (American Architectural Manufacturers Association) Curtain Wall Design Guide - Section on thermal movement and inter-story drift
NEW QUESTION # 43
In coordination of construction documents, heating duct clearances and tolerances in suspended ceiling plenum spaces should be cross-checked with the mechanical engineer and which one of the following?
Answer: C
Explanation:
When coordinating construction documents, heating duct clearances and tolerances in suspended ceiling plenum spaces must be verified with:
The mechanical engineer (for duct sizing and layout)
The ceiling manufacturer (to confirm the clearance requirements, installation tolerances, and compatibility with the ceiling system) The ceiling manufacturer provides critical information on allowable spacing, panel sizes, suspension system limits, and any required clearances around ducts or pipes that run above the ceiling.
Other parties:
HVAC contractor executes installation but follows design and ceiling guidelines Electrical contractor coordinates separate systems Structural engineer focuses on load and framing, not ceiling duct clearance Reference:
NCARB ARE 5.0 Review Manual, Project Development and Documentation, Coordination chapter Architectural and MEP coordination best practices Manufacturer specifications for suspended ceiling systems
NEW QUESTION # 44
The client requests to limit daylighting in a second-story bedroom located in the northeast corner of a new house, especially in the mornings. The architect is considering options for the windows in terms of quantity, size, type, and location, and notes that emergency escape and rescue openings must provide a minimum clear opening of 5.7 square feet.
Answer: A
Explanation:
Emergency egress requires minimum 5.7 sq ft clear opening (net).
Double-hung windows' clear opening is about half the sash area. A 3'×5' nominal size gives # 3×2.5 = 7.5 sq ft gross, ~6.25 sq ft clear # meets code.
North wall placement minimizes direct morning sunlight (vs. east wall).
A: 2'×2' awning # too small and awnings don't count for egress in most cases.
B: Fixed windows do not meet egress operability requirements.
C: Two 3'×2' casements on east wall # each only 6 sq ft gross, and east wall gets morning sun, opposite client' s goal.
PDD Reference: IBC §1030 Emergency Escape and Rescue; ARE 5.0 PDD "Code compliance-Daylighting control & egress."
NEW QUESTION # 45
Refer to the exhibit.
For a plywood panel carrying the grade stamp shown, which of the following is the maximum recommended span for use in a floor system?
Answer: D
Explanation:
1. Understanding the APA Grade Stamp
The stamp in the exhibit reads:
* APA RATED SHEATHING 32/16
* 15/32 INCH (thickness)
* SIZED FOR SPACING
* EXPOSURE 1 (can handle temporary moisture exposure)
2. Meaning of "32/16"
The numbers 32/16 are the span ratings for the panel:
* 32 inches = maximum recommended span for roof sheathing (when applied perpendicular to supports).
* 16 inches = maximum recommended span for floor sheathing (when applied perpendicular to supports).
These ratings are established by APA (The Engineered Wood Association) based on panel thickness, grade, and allowable loads/deflection limits.
3. Applying to the Question
The question asks specifically for maximum recommended span for use in a floor system.
From the stamp:
* Floor span rating = 16 inches
* Therefore, the correct answer is 16 in.
4. Why Other Options Are Incorrect:
* A. 15 in - Not the value given; 16 in is the rating.
* C. 32 in - This is for roof applications, not floor systems.
* D. 108 in - Not related to APA span ratings; possibly confused with the certification number "NBR-
108."
5. NCARB ARE 5.0 PDD Study Guide References:
* Content Area: Building Materials & Assemblies - Wood Products
* Reference Sources:
* APA - The Engineered Wood Association: Panel Span Ratings Guide
* Building Construction Illustrated (Ching) - Plywood and OSB Panel Markings
* IBC Chapter 23 - Wood span and application requirements
NEW QUESTION # 46
......
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