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NCIDQ IDFX FINAL EXAM NEWEST 2026/2027 ACTUAL EXAM
COMPLETE 120 QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+||JUST OUT!!!
What type of locking device is most appropriate for an office
building?
A. Cylindrical lock
B. Unit lock
C. Card reader lock
D. Mortise lock - ANSWER-D. Mortise lock
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 - ANSWER-D. Stainless Steel
The purpose of a setting block is to
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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 edge from the
bottom frame - ANSWER-D. Support the glass weight and
separate its edge from the bottom frame
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 - ANSWER-B. A heavy-duty, silent door
closer
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
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D. Provide a suitable base for attaching wallboard over masonry
- ANSWER-B. Increase the acoustical properties of a partition
What type of partition does the section shown indicate? -
ANSWER-A. 3 1/2" wood stud with gypsum wallboard
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 Hour
D. 2 Hour - ANSWER-C. 1 1/2 Hour
In the following diagram, what is the name for the portion of
stair identified by A? - ANSWER-B. Tread
When advising a client on where to attach fasteners to support
wall-hung book shelves in a residence, the interior designer
should recommend that they be placed
A. 12" on center
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B. 16" on center
C. 24" on center
D. 32" on center - ANSWER-B. 16" on center
Core drilling would be MOST difficult in which type of structural
system?
A. Concrete over steel deck
B. Flat slab concrete
C. One-way plan joist concrete
D. Post-tensioned concrete - ANSWER-D. Post-tensioned
concrete
The structure above a small opening cut in a masonry load-
bearing wall would be supported with a
A. Beam
B. Header
C. Lintel
D. Trimmer - ANSWER-C. Lintel
NCIDQ IDFX FINAL EXAM NEWEST 2026/2027 ACTUAL EXAM
COMPLETE 120 QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+||JUST OUT!!!
What type of locking device is most appropriate for an office
building?
A. Cylindrical lock
B. Unit lock
C. Card reader lock
D. Mortise lock - ANSWER-D. Mortise lock
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 - ANSWER-D. Stainless Steel
The purpose of a setting block is to
,2|Page
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 edge from the
bottom frame - ANSWER-D. Support the glass weight and
separate its edge from the bottom frame
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 - ANSWER-B. A heavy-duty, silent door
closer
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
,3|Page
D. Provide a suitable base for attaching wallboard over masonry
- ANSWER-B. Increase the acoustical properties of a partition
What type of partition does the section shown indicate? -
ANSWER-A. 3 1/2" wood stud with gypsum wallboard
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 Hour
D. 2 Hour - ANSWER-C. 1 1/2 Hour
In the following diagram, what is the name for the portion of
stair identified by A? - ANSWER-B. Tread
When advising a client on where to attach fasteners to support
wall-hung book shelves in a residence, the interior designer
should recommend that they be placed
A. 12" on center
, 4|Page
B. 16" on center
C. 24" on center
D. 32" on center - ANSWER-B. 16" on center
Core drilling would be MOST difficult in which type of structural
system?
A. Concrete over steel deck
B. Flat slab concrete
C. One-way plan joist concrete
D. Post-tensioned concrete - ANSWER-D. Post-tensioned
concrete
The structure above a small opening cut in a masonry load-
bearing wall would be supported with a
A. Beam
B. Header
C. Lintel
D. Trimmer - ANSWER-C. Lintel
