NCIDQ: IDFX + IDPX Exam | Questions with 100% Correct Answers | Updated &Verified
| 2024-2025 | 100% Score
D - ✔✔Air is MOST effectively distributed along an exterior window wall by a A) round diffuser; B)
square grille; C) series of square diffusers; D) slot air diffuser
B - ✔✔What would NOT be allowed in an access floor with removable panels? A) computer cable; B)
plumbing; C) HVAC; D) electrical conduit
D - ✔✔What type of locking device is most appropriate of an office building? A) cylindrical lock; B) unit
lock; C) card reader lock; D) mortise lock
D - ✔✔Which of the following metals would undergo the LEAST amount of change in appearance over a
period of time? A) brass; B) bronze; C) copper; D) stainless steel
D - ✔✔The purpose of a setting block is to A) seal the gap between edges of butt glazing; B) cushion the
glass against the frame; C) hold the glass in place; D) support the glass' weight and separate its age from
the bottom frame
B - ✔✔To detail a doorframe for a conference room where privacy is critical, which of the following is
LEAST likely to be required? A) an automatic door bottom; B) a heavy-duty, silent door closer; C)
neoprene gasketing; D) a solid-core door
C - ✔✔What is the minimum door rating for use with a 2-hour rated stairway enclosure? A) 3/4 hour; B)
1 hour; C) 1-1/2 hours; D) 2 hours
B - ✔✔In partition construction, the purpose of resilient channels is to A) increase the thickness of a
partition; B) increase the acoustical properties of a partition; C) increase the strength of a partition; D)
provide a suitable base for attaching wallboard over masonry
B - ✔✔In a plenum, how can a fire be prevented from spreading horizontally? A) install sprinkler
systems; B) use fire-rated dividers; C) use fiberglass material; D) install fire dampers
, A - ✔✔According to IBC, the LEAST number of continuous treads to constitute a flight in a nonresidential
building is A) 1 continuous tread; B) 2 continuous treads; C) 3 continuous treads; D) 12 continuous
treads
A - ✔✔What term is used to denote the member supporting the treads in a wood stairway? A) carriage;
B) header; C) saddle; D) stringer
D - ✔✔What is NOT required on a 1-hour rated door? A) door closer; B) metal frame; C) ball-bearing
hinges; D) panic hardware
C - ✔✔In what order of importance should tables for a college library be selected? A) flammability,
design, comfort; B) finish, flammability, design; C) durability, cost, design; D) quality, comfort, finish
C - ✔✔What type of seaming is the MOST appropriate for upholstered furniture in a smoking lounge? A)
channeling; B) buttoning; C) railroading; D) welt cording
D - ✔✔Which furniture test requires that an actual piece of furniture or an accurate full-size mock-up,
be tested for flammability in a large furnace? A) CAL TB 116; B) CAL TB 117; C) CAL TB 129; D) CAL TB 133
B - ✔✔What MOST affects the flammability of upholstery? A) type of chemical retardant used; B)
cushioning and surface fabric; C) surface fabric and interliner; D) surface fabric
C - ✔✔Which is the LEAST desirable choice for sofa fabric in a sunroom? A) polyester; B) modacrylic; C)
rayon; D) acrylic
B - ✔✔When a fabric has been fire-retardant treated, it will...A) resist ignition; B) not burn; C) contribute
to smoke inhibition; D) have a lower flame spread
D - ✔✔When selecting paint for a hospital, which of the following characteristics is MOST important? A)
abrasion resistance; B) chemical resistance; C) flammability; D) VOC emissions
| 2024-2025 | 100% Score
D - ✔✔Air is MOST effectively distributed along an exterior window wall by a A) round diffuser; B)
square grille; C) series of square diffusers; D) slot air diffuser
B - ✔✔What would NOT be allowed in an access floor with removable panels? A) computer cable; B)
plumbing; C) HVAC; D) electrical conduit
D - ✔✔What type of locking device is most appropriate of an office building? A) cylindrical lock; B) unit
lock; C) card reader lock; D) mortise lock
D - ✔✔Which of the following metals would undergo the LEAST amount of change in appearance over a
period of time? A) brass; B) bronze; C) copper; D) stainless steel
D - ✔✔The purpose of a setting block is to A) seal the gap between edges of butt glazing; B) cushion the
glass against the frame; C) hold the glass in place; D) support the glass' weight and separate its age from
the bottom frame
B - ✔✔To detail a doorframe for a conference room where privacy is critical, which of the following is
LEAST likely to be required? A) an automatic door bottom; B) a heavy-duty, silent door closer; C)
neoprene gasketing; D) a solid-core door
C - ✔✔What is the minimum door rating for use with a 2-hour rated stairway enclosure? A) 3/4 hour; B)
1 hour; C) 1-1/2 hours; D) 2 hours
B - ✔✔In partition construction, the purpose of resilient channels is to A) increase the thickness of a
partition; B) increase the acoustical properties of a partition; C) increase the strength of a partition; D)
provide a suitable base for attaching wallboard over masonry
B - ✔✔In a plenum, how can a fire be prevented from spreading horizontally? A) install sprinkler
systems; B) use fire-rated dividers; C) use fiberglass material; D) install fire dampers
, A - ✔✔According to IBC, the LEAST number of continuous treads to constitute a flight in a nonresidential
building is A) 1 continuous tread; B) 2 continuous treads; C) 3 continuous treads; D) 12 continuous
treads
A - ✔✔What term is used to denote the member supporting the treads in a wood stairway? A) carriage;
B) header; C) saddle; D) stringer
D - ✔✔What is NOT required on a 1-hour rated door? A) door closer; B) metal frame; C) ball-bearing
hinges; D) panic hardware
C - ✔✔In what order of importance should tables for a college library be selected? A) flammability,
design, comfort; B) finish, flammability, design; C) durability, cost, design; D) quality, comfort, finish
C - ✔✔What type of seaming is the MOST appropriate for upholstered furniture in a smoking lounge? A)
channeling; B) buttoning; C) railroading; D) welt cording
D - ✔✔Which furniture test requires that an actual piece of furniture or an accurate full-size mock-up,
be tested for flammability in a large furnace? A) CAL TB 116; B) CAL TB 117; C) CAL TB 129; D) CAL TB 133
B - ✔✔What MOST affects the flammability of upholstery? A) type of chemical retardant used; B)
cushioning and surface fabric; C) surface fabric and interliner; D) surface fabric
C - ✔✔Which is the LEAST desirable choice for sofa fabric in a sunroom? A) polyester; B) modacrylic; C)
rayon; D) acrylic
B - ✔✔When a fabric has been fire-retardant treated, it will...A) resist ignition; B) not burn; C) contribute
to smoke inhibition; D) have a lower flame spread
D - ✔✔When selecting paint for a hospital, which of the following characteristics is MOST important? A)
abrasion resistance; B) chemical resistance; C) flammability; D) VOC emissions
