Authorized NCARB PDD Certification & PDD Reliable Test Questions
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NCARB ARE 5.0 Project Development and Documentation Exam Sample Questions (Q63-Q68):
NEW QUESTION # 63
Owners of a busy two-story theater complex want to renovate. The new renovations include increasing the second floor lobby and doubling the number of second floor movie screens. The owner favors the use of escalators. Movies are scheduled to start simultaneously every three hours. The theater currently has a pair of
24-inch-wide parallel escalators, one of which goes up and the other down.
Which of the following should be proposed to accommodate the increased traffic to the second floor?
- A. Extend balustrades at escalator landings
- B. Install a new escalator that reverses direction
- C. Install a new elevator in the lobby
- D. Increase the existing escalator speeds to 130 fpm
Answer: B
Explanation:
Given:
The theater doubles its second-floor movie screens, increasing patron traffic.
Existing escalators are two 24-inch wide units, one up and one down, with simultaneous movie start times every 3 hours.
To handle increased traffic:
Increasing existing escalator speed to 130 fpm (option A) is limited by safety and code limits (typically max around 100 fpm); also increases wear.
Installing a new elevator (option B) is helpful for accessibility but does not efficiently handle high flow of large crowds during peak.
Installing a new escalator that reverses direction (option C) (also called a "dance" or "two-way" escalator) allows flexibility to accommodate peak traffic flow-e.g., two escalators up during rush times and one down, or vice versa.
Extending balustrades (option D) improves safety but does not increase capacity.
Therefore, option C is the best solution to manage increased passenger flow.
References:
NCARB ARE 5.0 Review Manual, Environmental Systems and Building Services chapter Vertical transportation design principles in public assembly spaces ASME A17.1 Safety Code for Elevators and Escalators
NEW QUESTION # 64
What is the primary purpose of shop drawings?
- A. Document record drawings
- B. Define design intent
- C. Illustrate fabrication and installation methods
- D. Replace construction drawings
Answer: C
Explanation:
Shop drawings show how components are to be fabricated or installed by the contractor. They do not redefine the design intent but elaborate on it. Refer to Objective 3.4: Evaluate submittals.
NEW QUESTION # 65
Which of the following admixtures is used to greatly increase the slump of concrete?
- A. Calcium chloride
- B. Air-entraining agent
- C. Superplasticizer
- D. Water-reducing agent
Answer: C
Explanation:
Comprehensive Detailed Explanation with all NCARB ARE 5.0 Project Development and Documentation (PDD) Study Guide References:
In concrete technology, admixtures are used to modify properties of fresh or hardened concrete:
Air-entraining agents: Introduce microscopic air bubbles to improve freeze-thaw resistance; they do not increase slump.
Water-reducing agents: Reduce water content while maintaining slump; increase workability but only moderately.
Calcium chloride: An accelerator, speeds up setting time; does not increase slump.
Superplasticizers (also called high-range water reducers): Significantly increase the slump (workability) of concrete without adding extra water, making the mix more flowable and easier to place.
Thus, to greatly increase slump while maintaining water-cement ratio, the superplasticizer is the correct choice.
Supporting References:
NCARB ARE 5.0 Review Manual, Materials and Assemblies section
Portland Cement Association publications on admixtures
ACI (American Concrete Institute) guidelines on admixtures
NEW QUESTION # 66
Where is the proper place to put a vapor barrier in a cold climate?
- A. On the exterior between the framing and the sheathing
- B. On the exterior between the metal siding and the sheathing
- C. On the interior between the gypsum wallboard and the framing
- D. In the cavity of the framing space
Answer: C
Explanation:
In cold climates, the vapor drive is from the warm interior to the cold exterior during winter. The vapor retarder/barrier belongs on the warm-in-winter side of the assembly-i.e., behind the interior gypsum, before the framing/insulation-to prevent interior moisture from reaching cold layers where it could condense.
PDD references: Psychrometrics & vapor drive; vapor retarder placement (ASHRAE; IBC/IECC guidance; ARE 5.0 PDD-Thermal & Moisture Protection).
NEW QUESTION # 67
Which species of wood is often used as a substitute for more costly species because of its hardness, grain pattern, and ability to take paint and stain well?
- A. Redwood
- B. Cypress
- C. Poplar
- D. Red oak
Answer: C
Explanation:
Poplar is a hardwood that is relatively inexpensive compared to species like maple, cherry, or oak. It has:
Good hardness and uniform grain
Takes paint and stain well (although stain may require pre-treatment for even color) Often used as a cost-effective substitute for higher-priced hardwoods in furniture, millwork, and trim.
Why not others:
Red oak: Hard and attractive but more costly.
Cypress: Softwood valued for decay resistance, not typically a hardwood substitute.
Redwood: Softwood, expensive, used for exterior decay resistance.
PDD Reference: ARE 5.0 PDD "Materials-Wood species characteristics," CSI Div. 06 Wood & Plastics, Architectural Woodwork Institute (AWI) standards.
NEW QUESTION # 68
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