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NEW QUESTION # 85
Which of the following best explains the function of Division 01 in the specifications?
Answer: B
Explanation:
Division 01 governs administrative procedures across all trades-submittals, project meetings, temporary utilities, etc. It sets the framework for other divisions. Objective 2.1 addresses the structure and function of specifications.
NEW QUESTION # 86 
Refer to the exhibit.
An architect is working on an airport lounge project. The 9,000 SF floor plan includes an open, double-height space. Due to area limitations, all program requirements cannot fit within the 9,000 SF floor plan. A mezzanine level with one exit is being proposed to solve this programming constraint. There are adequate exits available on the main floor plan to pick up the additional occupant load from the mezzanine.
Which method of mezzanine construction should the architect design?
Answer: C
Explanation:
Step-by-Step Reasoning
1. Mezzanine Area Limitations - IBC Section 505.2.1
From the exhibit:
The aggregate area of a mezzanine within a room shall be not greater than one-third of the floor area of that room/space.
Given:
* Main floor = 9,000 SF
* Maximum mezzanine size = 1/3 × 9,000 SF = 3,000 SF
2. Openness Requirements - IBC Section 505.2.3
From the exhibit:
A mezzanine must be open to the room below unless it qualifies for one of the listed exceptions.
3. Relevant Exception for Enclosed Mezzanine
Exception 1:
Mezzanines (or portions thereof) are not required to be open to the room if the occupant load of the enclosed space is not greater than 10.
Exception 3:
Mezzanines (or portions thereof) are not required to be open to the room if the aggregate floor area of the enclosed space is # 10% of the mezzanine area.
However - the scenario says:
* The mezzanine will have one exit (so it's not an open floor requiring multiple exits)
* The architect notes there are adequate exits on the main floor to handle additional occupant load from the mezzanine # This means it could be enclosed if allowed by exceptions.
4. Evaluate Each Option:
* A. 2,500 SF open lounge for 20 people
* Size < 3,000 SF # OK on area.
* Open mezzanine # Complies without needing an exception.
* But 20 occupants means more than 10 occupant load, so it can't be enclosed unless open - this one is already open, so fine.
* This works, but the question asks for which method should the architect design, and the key is the one-exit enclosed scenario.
* B. 2,750 SF enclosed business center for 15 people
* Size < 3,000 SF # OK.
* It is enclosed, and occupant load is 15, which is greater than 10. That means Exception 1 doesn't apply.
* But Exception 3 says: enclosed space can be allowed if enclosed area # 10% of mezzanine area.
Here:
* 10% of 2,750 SF = 275 SF.
* If the enclosed portion is the business center itself (full area enclosed), then it fails Exception 3.
* Wait: This would only be code-compliant as enclosed if the occupant load is # 10 (Exception 1) OR enclosed area # 10% of mezzanine (Exception 3).
* This option might work only if the mezzanine is considered enclosed but the occupant load doesn' t require multiple exits and is allowed due to adequate exit capacity on the main floor - this appears to be the intended IBC Exception 1 scenario, but since OL = 15 > 10, it technically fails Exception 1.
* The problem statement says "adequate exits available on main floor to pick up additional occupant load" - which would allow designing an enclosed mezzanine as long as total egress capacity is fine.
* C. 3,250 SF open dining for 30 people
* Size exceeds 3,000 SF # FAILS area limitation. Not allowed.
5. Conclusion
Given the constraints:
* Must fit within 1/3 floor area rule (# 3,000 SF)
* Must work with one exit and available exit capacity on main floor
* Option C fails on size
* Option A is possible but doesn't use the enclosed condition in the prompt
* Option B meets area limit, occupant load works with available exit capacity, and provides an enclosed use that matches the problem's "program requirement" scenario
NEW QUESTION # 87 
Refer to the exhibit.
What is the primary function of the 2 x 4 blocking shown at X in the drawing?
Answer: B
Explanation:
Comprehensive Detailed Explanation with all NCARB ARE 5.0 Project Development and Documentation (PDD) Study Guide References:
In wood frame construction, blocking installed between joists at regular intervals (commonly 48 inches on center) serves primarily to brace and stabilize the joists laterally, preventing twisting and lateral displacement under load.
The 2x4 blocking at point X, placed perpendicular between the ceiling joists, acts as cross bracing.
It resists lateral torsional buckling of the joists and distributes loads evenly.
It also helps maintain alignment during construction and after the finish materials are installed.
The blocking does not support the partition top plate directly (that is the function of the studs beneath), nor does it transfer lateral load to the 1x8. Its main role is structural bracing for the joists.
Supporting References:
NCARB ARE 5.0 Review Manual, Project Development and Documentation, Structural Systems chapter Wood Frame Construction details from International Residential Code (IRC) Building construction texts such as "Fundamentals of Building Construction" by Allen and Iano, which describe blocking used to brace joists.
NEW QUESTION # 88
A construction detail for a window sill shows metal flashing terminating behind the exterior cladding. Which principle is being demonstrated?
Answer: A
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 # 89
The single-line diagram for the electrical distribution system shown is for a multi-family project.
Click in the box on the single-line diagram where the transformer is located.
Answer:
Explanation:
Explanation:
The transformer is located in the first large box after the high-voltage primary feeders and before the secondary service conductors on the left side of the diagram.
Step-by-Step Reasoning
1. Understanding the diagram flow:
* The leftmost symbol represents high-voltage primary feeders from the utility (2,400V, 4,160V, 7,200 V, or 13,200V).
* Immediately after that, there is a large box labeled "Secondary Service conductors" with standard building service voltages (120/208, 120/240, 277/480 V).
* To get from primary (medium/high) voltage to these usable secondary voltages, you must step down the voltage - and that is done by a transformer.
2. Transformer location in electrical distribution:
* Transformers are always placed between the incoming primary service and the secondary distribution system in building diagrams.
* In this drawing, the transformer is symbolized by the first large square/rectangular box after the high- voltage primary feeders.
3. Why not any other box?
* The following boxes and lines after this first step are feeders, panels, and motor starters - they operate at secondary voltage.
* Only the transformer connects the utility high-voltage system to the building's lower-voltage system.
NCARB ARE 5.0 PDD References:
* Content Area: Electrical Systems - Service Entrance and Distribution
* Source References:
* MEEB (Mechanical and Electrical Equipment for Buildings) - Chapter on Transformers & Electrical Service
* NEC (National Electrical Code) Article 450 - Transformer Installation and Use
* Architectural Graphic Standards - Single-Line Diagrams for Electrical Distribution Key Point:
In building electrical distribution, the transformer is always between the high-voltage primary service and the secondary service conductors to step down voltage to a usable level for building loads.
NEW QUESTION # 90
......
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