NCIDQ IDFX Exam | Questions with 100% Correct Answers | Updated &Verified | 2024-
2025 | 100% Score
What CSI division would contain the specification for doors? - ✔✔CSI Division 08 would contain the
information for these
What is fuzzing? - ✔✔This describes the appearance of a fabric when small fibers work out of the yarn
onto the surface
What is the Fibonacci Sequence? - ✔✔This is the series of numbers in which the first two terms are 0
and 1 and each number that follows is the sum of the previous 2. 0, 1, 1, 2, 3, 5, 8, 13, 21...
What type of concrete system is likely to be found where floor to floor heights are kept to a minimum? -
✔✔A flat plate construction system would probably be used in this situation
What is a contract? - ✔✔This is an agreement between two parties in which one party makes an offer to
receive something in return for services and the other party accepts the offer.
What is outgassing? - ✔✔This is the release of toxic gases from a material, typically after the material
has been installed.
What does a design office use to maintain consistency, completeness, and accuracy when writing
specifications? - ✔✔a design office uses master specifications or guide specifications for this purpose
What is stain resistance? - ✔✔This is a material's resistance to a change in appearance after the
application and removal of another material
In regards to construction, what is the plenum? - ✔✔In commercial construction, this is the space
between the building structural roof or floor and the suspended ceiling
What is proxemics? - ✔✔The study of the degrees of spacial separation that people maintain while
interacting, and how these distances are related to social, cultural, and environmental factors.
,To be classified as accessible, what is the maximum allowable vertical change in floor level? - ✔✔To be
classified as accessible, hid construction element must not have a vertical change exceeding 1/4"
What do most people perceive when a sound increases by 10 dB? - ✔✔When a sound increases by this
amount most people perceive a doubling in loudness
What is the unit of measurement for the frequency of sound? - ✔✔The hertz (Hz) is the unit of measure
for this and is equally one cycle per second
What are volatile organic compounds (VOC's)? - ✔✔These are chemicals that contain carbon and
hydrogen and that vaporize at room temperature and pressure
In interior design, what is negligence? - ✔✔This is a designers failure to use the care ordinarily exercised
in similar cases by qualified designers and the failure to use reasonable diligence and professional
judgement
What is a ground fault interrupter? - ✔✔This is an electrical safety device that detects small current
leaks and disconnects the power to a circuit
What are the four components labeled A-D? - ✔✔On an HVAC plan, these are the symbols for
A) Fire Damper
B)Return Air Diffuser
C)Round Flexible Duct
D)Supply Air Diffuser with one quadrant blocked off and air directed as shown by the arrows
According to the ADAAG regulations, what two types of alarms are required for accessibility? -
✔✔ADAAG regulations require these to be both audible and visible
In Gestalt psychology, what is perceptual constancy? - ✔✔This is the tendency to perceive a familiar
object or space as essentially the same in spite of changes in position, viewing angle, lighting, and so on
, In terms of the programming process, what are the three limitations of behavior observation as a
technique for gathering information? - ✔✔The limitations of this information gathering technique
include:
-it cannot address why people are behaving the way they are
-it is only valid for one period of time
-it is accurate only when implemented by a skilled practitioner
What is the Wyzenbeek test (also known as ASTM D4157) used for? - ✔✔This test is used to determine
the abrasion resistance of woven textiles
On a construction drawing, the symbol for duple outlet on a ground fault circuit interrupter look like? -
✔✔
What are some authoritative sources for product information? - ✔✔This kind of information is found in:
-Manufacturers representatives
-Manufacturers product catalogues
-Manufacturers websites
-Sweets Network Online
-Trade organizations
What is a veiling reflection? - ✔✔This results when a reflection causes a glare that interferes with a
visual task
What are the six principals of design? - ✔✔-harmony and unity
-proportion
-balance
-emphasis and focus
-contrast and variety
-rhythm
2025 | 100% Score
What CSI division would contain the specification for doors? - ✔✔CSI Division 08 would contain the
information for these
What is fuzzing? - ✔✔This describes the appearance of a fabric when small fibers work out of the yarn
onto the surface
What is the Fibonacci Sequence? - ✔✔This is the series of numbers in which the first two terms are 0
and 1 and each number that follows is the sum of the previous 2. 0, 1, 1, 2, 3, 5, 8, 13, 21...
What type of concrete system is likely to be found where floor to floor heights are kept to a minimum? -
✔✔A flat plate construction system would probably be used in this situation
What is a contract? - ✔✔This is an agreement between two parties in which one party makes an offer to
receive something in return for services and the other party accepts the offer.
What is outgassing? - ✔✔This is the release of toxic gases from a material, typically after the material
has been installed.
What does a design office use to maintain consistency, completeness, and accuracy when writing
specifications? - ✔✔a design office uses master specifications or guide specifications for this purpose
What is stain resistance? - ✔✔This is a material's resistance to a change in appearance after the
application and removal of another material
In regards to construction, what is the plenum? - ✔✔In commercial construction, this is the space
between the building structural roof or floor and the suspended ceiling
What is proxemics? - ✔✔The study of the degrees of spacial separation that people maintain while
interacting, and how these distances are related to social, cultural, and environmental factors.
,To be classified as accessible, what is the maximum allowable vertical change in floor level? - ✔✔To be
classified as accessible, hid construction element must not have a vertical change exceeding 1/4"
What do most people perceive when a sound increases by 10 dB? - ✔✔When a sound increases by this
amount most people perceive a doubling in loudness
What is the unit of measurement for the frequency of sound? - ✔✔The hertz (Hz) is the unit of measure
for this and is equally one cycle per second
What are volatile organic compounds (VOC's)? - ✔✔These are chemicals that contain carbon and
hydrogen and that vaporize at room temperature and pressure
In interior design, what is negligence? - ✔✔This is a designers failure to use the care ordinarily exercised
in similar cases by qualified designers and the failure to use reasonable diligence and professional
judgement
What is a ground fault interrupter? - ✔✔This is an electrical safety device that detects small current
leaks and disconnects the power to a circuit
What are the four components labeled A-D? - ✔✔On an HVAC plan, these are the symbols for
A) Fire Damper
B)Return Air Diffuser
C)Round Flexible Duct
D)Supply Air Diffuser with one quadrant blocked off and air directed as shown by the arrows
According to the ADAAG regulations, what two types of alarms are required for accessibility? -
✔✔ADAAG regulations require these to be both audible and visible
In Gestalt psychology, what is perceptual constancy? - ✔✔This is the tendency to perceive a familiar
object or space as essentially the same in spite of changes in position, viewing angle, lighting, and so on
, In terms of the programming process, what are the three limitations of behavior observation as a
technique for gathering information? - ✔✔The limitations of this information gathering technique
include:
-it cannot address why people are behaving the way they are
-it is only valid for one period of time
-it is accurate only when implemented by a skilled practitioner
What is the Wyzenbeek test (also known as ASTM D4157) used for? - ✔✔This test is used to determine
the abrasion resistance of woven textiles
On a construction drawing, the symbol for duple outlet on a ground fault circuit interrupter look like? -
✔✔
What are some authoritative sources for product information? - ✔✔This kind of information is found in:
-Manufacturers representatives
-Manufacturers product catalogues
-Manufacturers websites
-Sweets Network Online
-Trade organizations
What is a veiling reflection? - ✔✔This results when a reflection causes a glare that interferes with a
visual task
What are the six principals of design? - ✔✔-harmony and unity
-proportion
-balance
-emphasis and focus
-contrast and variety
-rhythm
