NCIDQ IDFX Exam Study Guide with complete solutions | Latest 2025/2026 Update.

NCIDQ IDFX Exam Study Guide with i,- i,- i,- i,- i,- i,-




complete solutions | Latest i,- i,- i,- i,-




2025/2026 Update. i,-




Clean Air Act of 1970 (CAA)
i,- This law regulates air omissions
i,- i,- i,- i,- i,-i,- i,- i,- i,- i,- i,- i,-



from area, Sherry, and mobile sources. The law authorizes the EPA
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



to establish the national ambient air quality standards to protect
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



public health in the environment.
i,- i,- i,- i,-




National Ambient Air Quality Standards (NAAQS)
i,- i,- i,- i,- i,- i,-i,- i,- The i,-



standard implements part of the CAA. i,- i,- i,- i,- i,-




ANSI/ASHRAE Standard 62.1, Ventilation for Acceptable Indoor i,- i,- i,- i,- i,- i,- i,-



Air Quality
i,- establishes a minimum outdoor air requirement
i,-i,- i,- i,- i,- i,- i,- i,- i,-



for ventilation, includes provisions for managing sources of
i,- i,- i,- i,- i,- i,- i,- i,-



contamination, controlling indoor humidity, and filtering building i,- i,- i,- i,- i,- i,- i,-



air as well as requirements for HVAC system construction and
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



start up an operation and maintenance of systems.
i,- i,- i,- i,- i,- i,- i,-




ANSI/ASHRAE Standard 62.2, Ventilation and Acceptable Indoor i,- i,- i,- i,- i,- i,- i,-



Air Quality in Low-Rise Residential Buildings
i,- House to single-
i,- i,- i,- i,- i,-i,- i,- i,- i,-



family homes and multi family buildings of three stories relax.
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-

,Defines the roles of and minimum requirements for mechanical
i,- i,- i,- i,- i,- i,- i,- i,- i,-



and natural ventilation systems as well as the building envelope.
i,- i,- i,- i,- i,- i,- i,- i,- i,-




40 CFR part 59
i,- This rule implements part of the CCA and sets
i,- i,- i,-i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



limit on the amount of volatile organic compounds that
i,- i,- i,- i,- i,- i,- i,- i,- i,-



manufactures and importers of architectural coatings can put into i,- i,- i,- i,- i,- i,- i,- i,- i,-



their products.
i,-




Rule 1113 architectural coatings
i,- This rule limits the VOC
i,- i,- i,-i,- i,- i,- i,- i,- i,- i,-



content of architectural coatings used in the south coast air
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



quality management district of California
i,- i,- i,- i,-




TLV's (threshold limit values)
i,- i,- i,- i,-i,- i,- Provides exposure limits for i,- i,- i,- i,-



chemicals in the workplace i,- i,- i,-




Design Theory A way to direct design based on a system of
i,- i,-i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



beliefs or philosophy. i,- i,-




Theory i,-i,- i,- The most fundamental beginning of design.
i,- i,- i,- i,- i,-




Design History A valuable contribution to design theory by
i,- i,-i,- i,- i,- i,- i,- i,- i,- i,- i,-



suggesting how past designs solved certain problems ori,- i,- i,- i,- i,- i,- i,- i,-



represented particular ideal. i,- i,-

,Environmental Design A theory that focuses on the i,- i,-i,- i,- i,- i,- i,- i,- i,- i,-



interaction between humans and their environments that
i,- i,- i,- i,- i,- i,- i,-



attempts to develop a rational design approach based on
i,- i,- i,- i,- i,- i,- i,- i,- i,-



scientific research rather than anecdotal evidence or personal
i,- i,- i,- i,- i,- i,- i,- i,-



philosophy. Often does not take into account the interaction
i,- i,- i,- i,- i,- i,- i,- i,- i,-



between humans and buildings.
i,- i,- i,-




Evidence Based Design Basing design in credible research
i,- i,- i,-i,- i,- i,- i,- i,- i,- i,-



that links one or more environmental elements with a desired
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



outcome. Often used in healthcare but has been applied to
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



education and workplace design. i,- i,- i,-




Functionalism A simple rational design solution to design i,-i,- i,- i,- i,- i,- i,- i,- i,- i,-



problems without extraneous decoration. Reduced interiors to
i,- i,- i,- i,- i,- i,- i,-



only what was required to meet strict functional needs without
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



unnecessary decorations. i,-




Le Corbusier
i,- i,-i,- i,- A house is a machine for the living
i,- i,- i,- i,- i,- i,- i,-




Gestalt Pyschology a psychological approach that
i,- i,-i,- i,- i,- i,- i,- i,-



emphasizes that we often perceive the whole rather than the sum
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



of the parts
i,- i,-

, Simultaneous Constrast a phenomenon in which a color
i,- i,-i,- i,- i,- i,- i,- i,- i,- i,-



appears to change depending on the background color.
i,- i,- i,- i,- i,- i,- i,-




Grouping humans perceive separate units in the visual field
i,-i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



as a group, through proximity, similarity, direction, and context
i,- i,- i,- i,- i,- i,- i,- i,-




Closure (form constancy)
i,- the tendency to perceive i,- i,-i,- i,- i,- i,- i,- i,-



incomplete forms as a whole i,- i,- i,- i,-




Continuity the tendency to see a line or shape as continuing
i,-i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



in a particular direction rather than making a sharp turn.
i,- i,- i,- i,- i,- i,- i,- i,- i,-




Simplicity humans prefer the simplest, most stable
i,-i,- i,- i,- i,- i,- i,- i,- i,-



organization of forms. the brain organizes forms into the fewest
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-



number of lines or parts.
i,- i,- i,- i,-




Figure-ground the was form (figure) is distinguished from i,-i,- i,- i,- i,- i,- i,- i,- i,- i,-



surroundings (ground) i,-




Perceptual Constancy perceiving objects as unchanging
i,- i,-i,- i,- i,- i,- i,- i,-



(having consistent lightness, color, shape, and size) even as
i,- i,- i,- i,- i,- i,- i,- i,- i,-



illumination and retinal images change i,- i,- i,- i,-