IDEX Essentials Sample Questions exam 2024/2025 with 100% correct answers
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IDEX Essentials Sample Q
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IDEX Essentials Sample Q
Application for a building permit is usually made by the... correct answersContractor
The current California Building Code is based on the... correct answersInternational Building Code
The authority for the California Building Code is based on... correct answersthe U.S. Constitution
What c...
Application for a building permit is usually made by the... correct answersContractor
The current California Building Code is based on the... correct answersInternational Building Code
The authority for the California Building Code is based on... correct answersthe U.S. Constitution
What codes and regulations must be followed when designing a restaurant? correct answersCBC & Retail
Food Codes
Which California state agency is responsible for regulating high-rise buildings? correct answersState Fire
Marshall
An interior design client wants to convert an old church into a restaurant. Before starting design on the
project, what step should the interior designer take? correct answersResearch the local zoning ordinance
After a building permit is issued for an interiors project, how much time is allowed for construction to
start before the permit expires? correct answers180 days
When an interior designer modifies the layout of movable partitions in an office occupancy, the plans
must be submitted to the... correct answersLocal building department
The California Building Code is comprised of... correct answers12 parts
To determine exactly which provisions in the CBC apply to a specific building, the designer should...
correct answersReview the matrix adoption tables
Which of the following is NOT true about building code occupancy? A) Interior finishes are partly based
on the occupancy of a building. B) There can be more than one occupant within an office suite. C)
,Occupancy refers to the use the interior designer places on the drawings. D) Some occupancy
classifications are subdivided into subgroups. correct answersOccupancy refers to the use the interior
designer places on the drawings.
All of the following are necessary to determine if a room is an accessory occupancy EXCEPT that the
room must... A) exceed 750 s.f. B) be 10% or less of the main occupancy. C) not be listed as an incidental
use area. D) be used in conjunction with the main occupancy. correct answersExceed 750 s.f.
The minimum number of toilet fixtures required for an interior design remodeling is determined by
occupant load and... correct answersOccupancy group of the building
What is a commonly designed space in a commercial design that is considered an incidental use area?
correct answersStorage room over 100 s.f.
A hotel is classified as which type of occupancy group? correct answersR-1
In designing an office tenant space, the designer is required to include a large training room of
approximately 1200 s.f. This space would be given which occupancy classification? correct answersA-3
For most interior design situations, incidental use areas are required to be separated and/or protected
from the other areas of a building or space with... correct answersEither an automatic sprinkler system
or a 1-hour rated partition.
A restaurant with a bar is classified as which type of occupancy? correct answersA-2
An interior designer need NOT refer to the special occupancy requirements given in CBC Ch. 4 when
designing a space in a... correct answersDepartment Store
The basic separation between occupancies in a mixed occupancy building is determined by... correct
answersUsing the CBC 508.3.3 Table
In combination with occupancy group, what determines the allowable height of a building? correct
answersConstruction type and fire-suppression system
, Which of the following materials would NOT be allowed in a Type I building? A) wood paneling in an
office. B) blocking to hang cabinets. C) wood stud framing for a soffit. D) a wood framed display window.
correct answersWood stud framing for a soffit
Which building type has the least restrictive fire-resistive construction requirements? correct
answersType V
A material is considered noncombustible if it meets any of the following conditions except if it... A)
passes the ASTM E136 test. B) does not ignite and burn when subjected to fire. C) is an approved surface
material on a noncombustible base. D) is less than 1/8" thick with a flame spread less than 50. correct
answersIs less than 1/8" thick with a flame spread less than 50.
In Table 601 of the CBC, what do the designations A and B mean? correct answers"A" has a higher fire-
resistance rating requirement than "B".
An architect has told the interior designer that the building they are working with is a Type II-A
construction. What fire rating would the partitions the interior designer specifies have to have? correct
answersNo fire rating is required except as required by other sections of the code.
Without any additional increases allowed for building height or sprinkler systems, what is the basic
allowable area of a restaurant being planned for a Type III-B construction? correct answers9,500 sf
An interior designer is working on a restaurant project for a client in a small, existing, one-story building
without a sprinkler system. The building was originally built for retail shops at a Type V-B construction
with a maximum allowable floor area of 9,000 sf. The client wants to include several restaurants totaling
18,000 s.f. To make this possible the interior designer could recommend the client... correct answersAdd
a sprinkler system to the building.
What would the best way for the interior designer to determine the construction type of a 50-year old
building? correct answersAsk the local building official.
Under which building type would a project with heavy timber construction be completed? correct
answersType IV
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