Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
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Question 1
Which code is the primary model code used as the basis for structural plan review
in commercial buildings?
A. International Plumbing Code (IPC)
B. International Building Code (IBC)
C. International Mechanical Code (IMC)
D. International Fire Code (IFC)
Answer: B. International Building Code (IBC)
Rationale: The International Building Code (IBC) is the primary model code used
for structural and building design plan review. It establishes minimum standards
for fire-resistant construction requirements including fire-resistance ratings for
structural elements, walls, and assemblies. While the IFC governs operational
requirements, the IBC focuses on construction standards .
Question 2
What is the primary purpose of a fire plans examiner?
A. To design fire protection systems for new buildings
B. To ensure compliance with adopted fire and life safety codes
C. To approve architectural aesthetics and building finishes
D. To supervise fire protection system installation
,Answer: B. To ensure compliance with adopted fire and life safety codes
Rationale: The primary purpose of a fire plans examiner is to ensure that
construction documents comply with adopted fire and life safety codes to
protect occupants and property. Fire plans examiners review submitted drawings
to ensure compliance with applicable codes and standards rather than designing
systems, approving aesthetics, or supervising installation .
Question 3
Which occupancy group includes hospitals and nursing homes?
A. Group A (Assembly)
B. Group B (Business)
C. Group I (Institutional)
D. Group R (Residential)
Answer: C. Group I (Institutional)
Rationale: Institutional Group I includes hospitals, nursing homes, and similar
facilities where care is provided to individuals who may have limited ability to
evacuate. The occupancy classification is determined by the intended use of the
building .
Question 4
Which type of construction offers the highest level of fire resistance?
A. Type V (Wood Frame)
B. Type III (Ordinary)
C. Type II (Noncombustible)
D. Type I (Fire-Resistive)
Answer: D. Type I (Fire-Resistive)
,Rationale: Type I construction is the most fire-resistive construction type under
the IBC. It requires structural elements to have the highest fire-resistance
ratings, typically 2-4 hours for primary structural members. Type I construction is
required for the tallest buildings and those with the highest risk occupancies .
Question 5
What is the minimum typical egress width per occupant in stairs?
A. 0.2 inch per occupant
B. 0.3 inch per occupant
C. 0.15 inch per occupant
D. 0.5 inch per occupant
Answer: B. 0.3 inch per occupant
Rationale: Stair egress capacity is commonly calculated at 0.3 inches per
occupant. This standard is used to determine required stair widths based on the
occupant load served by the stairway. The occupant load calculation is a critical
component of means of egress design .
Question 6
Which agency publishes the International Building Code and International Fire
Code?
A. National Fire Protection Association (NFPA)
B. International Code Council (ICC)
C. Occupational Safety and Health Administration (OSHA)
D. American National Standards Institute (ANSI)
Answer: B. International Code Council (ICC)
Rationale: The International Code Council (ICC) publishes the International
Building Code and International Fire Code, along with other model codes. The
ICC develops and maintains these codes through a consensus-based process
, involving building officials, fire officials, and industry professionals. The IFC and
IBC are the primary references for fire plans examination .
Question 7
Which code governs mechanical systems and HVAC requirements?
A. International Plumbing Code (IPC)
B. International Mechanical Code (IMC)
C. International Building Code (IBC)
D. International Fire Code (IFC)
Answer: B. International Mechanical Code (IMC)
Rationale: The International Mechanical Code regulates HVAC and mechanical
systems, including ventilation, exhaust systems, and appliance installations.
While the IBC and IFC reference mechanical system requirements, the IMC
provides the detailed technical provisions for mechanical system design and
installation .
Question 8
The means of egress consists of which three components?
A. Exits, corridors, and stairways only
B. Exit access, exits, and exit discharge
C. Elevators, escalators, and ramps
D. Doors, windows, and fire escapes
Answer: B. Exit access, exits, and exit discharge
Rationale: The means of egress consists of all components leading to a safe exit,
including exit access (the path from any point in a building to an exit), the exit
(the portion that provides a protected path), and exit discharge (the path from
the exit to a public way). All three components must be designed and
constructed to code requirements .