NCIDQ IDPX AND IDFX PRACTICE
EXAM 2025 QUESTIONS AND ANSWERS
When estimating how much fabric will be required for custom designed draperies, which of the
following will you need to consider when determining the total fabric width needed?
A the amount of fullness of the drapery, the opening size
B the opening size, the amount of fullness, the return
C the return, the opening size, the stacking space
D all of these - ANS D. all of these // In estimating fabric for draperies, the total fabric width
must be determined. This is the total of the opening size, the stacking space, the return, any
overlap of two sections of drapery, and the amount of fullness of the drapery.
What is the maximum height of an accessible (barrier free) sink?
36" (900 mm)
34" (865 mm)
30" (750 mm)
27" (685 mm) - ANS B. 34" // NCIDQ 5.2 ALL accessible (barrier-free) countertops, sinks,
reception/transaction surfaces, and other horizontal work surfaces MUST NOT exceed 34″ (865
mm) AFF with a 27″H (685 mm) clear knee space below.
ADA.gov 606.3 Height. Lavatories and sinks shall be installed with the front of the higher of the
rim or counter surface 34 inches (865 mm) maximum above the finish floor or ground.
306.3.3 Minimum Required Depth. Where knee clearance is required under an element as part
of a clear floor space, the knee clearance shall be 11 inches (280 mm) deep minimum at 9
inches (230 mm) above the finish floor or ground, and 8 inches (205 mm) deep minimum at 27
inches (685 mm) above the finish floor or ground.
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, A $OSS switch indicates what?
daylight sensor
remote controlled switch
one single switch
occupancy sensor/switch combination - ANS D. occupancy sensor/switch combination //
Refer to your drawing legend, as symbols used may vary from what you are accustomed to, and
could possibly vary from test to test. This is the symbol provided on a typical NCIDQ drawing
that indicates occupancy sensor/switch combination.
What is minimum clear width of the doorway and maximum size of an egress door?
34 clear width and 36 door leaf
32 clear width and 48 door leaf
34 clear width and 48 door leaf
30 clear width and 36 door leaf - ANS B. 32 clear width and 48 door leaf // International
Building Code 1008.1.1 Size of doors. The minimum width of each door opening...shall provide a
clear width of 32 inches (813 mm). Clear openings of doorways with swinging doors shall be
measured between the face of the door and the stop, with the door open 90 degrees (1.57 rad).
Where this section requires a minimum clear width of 32 inches (813 mm) one leaf shall
provide a clear opening width of 32 inches (813 mm). The maximum width of a swinging door
leaf shall be 48 inches (1219 mm) nominal.
When selecting the upholstery and window treatment fabrics for a hotel lobby design, which of
the following standards would NOT be a consideration for the fabric?
Cigarette Ignition Resistance Test of Furniture components
NFPA 257
Vertical Ignition Test
Cal TB 116 - ANS B. NFPA 257 // All of these tests relate to the flammability of fabrics with
the exception of NFPA 257, the Standard for Fire test for window and glass block assemblies.
2 Copyright ©2025 SIRJOEL ALL RIGHTS RESERVED
EXAM 2025 QUESTIONS AND ANSWERS
When estimating how much fabric will be required for custom designed draperies, which of the
following will you need to consider when determining the total fabric width needed?
A the amount of fullness of the drapery, the opening size
B the opening size, the amount of fullness, the return
C the return, the opening size, the stacking space
D all of these - ANS D. all of these // In estimating fabric for draperies, the total fabric width
must be determined. This is the total of the opening size, the stacking space, the return, any
overlap of two sections of drapery, and the amount of fullness of the drapery.
What is the maximum height of an accessible (barrier free) sink?
36" (900 mm)
34" (865 mm)
30" (750 mm)
27" (685 mm) - ANS B. 34" // NCIDQ 5.2 ALL accessible (barrier-free) countertops, sinks,
reception/transaction surfaces, and other horizontal work surfaces MUST NOT exceed 34″ (865
mm) AFF with a 27″H (685 mm) clear knee space below.
ADA.gov 606.3 Height. Lavatories and sinks shall be installed with the front of the higher of the
rim or counter surface 34 inches (865 mm) maximum above the finish floor or ground.
306.3.3 Minimum Required Depth. Where knee clearance is required under an element as part
of a clear floor space, the knee clearance shall be 11 inches (280 mm) deep minimum at 9
inches (230 mm) above the finish floor or ground, and 8 inches (205 mm) deep minimum at 27
inches (685 mm) above the finish floor or ground.
1 Copyright ©2025 SIRJOEL ALL RIGHTS RESERVED
, A $OSS switch indicates what?
daylight sensor
remote controlled switch
one single switch
occupancy sensor/switch combination - ANS D. occupancy sensor/switch combination //
Refer to your drawing legend, as symbols used may vary from what you are accustomed to, and
could possibly vary from test to test. This is the symbol provided on a typical NCIDQ drawing
that indicates occupancy sensor/switch combination.
What is minimum clear width of the doorway and maximum size of an egress door?
34 clear width and 36 door leaf
32 clear width and 48 door leaf
34 clear width and 48 door leaf
30 clear width and 36 door leaf - ANS B. 32 clear width and 48 door leaf // International
Building Code 1008.1.1 Size of doors. The minimum width of each door opening...shall provide a
clear width of 32 inches (813 mm). Clear openings of doorways with swinging doors shall be
measured between the face of the door and the stop, with the door open 90 degrees (1.57 rad).
Where this section requires a minimum clear width of 32 inches (813 mm) one leaf shall
provide a clear opening width of 32 inches (813 mm). The maximum width of a swinging door
leaf shall be 48 inches (1219 mm) nominal.
When selecting the upholstery and window treatment fabrics for a hotel lobby design, which of
the following standards would NOT be a consideration for the fabric?
Cigarette Ignition Resistance Test of Furniture components
NFPA 257
Vertical Ignition Test
Cal TB 116 - ANS B. NFPA 257 // All of these tests relate to the flammability of fabrics with
the exception of NFPA 257, the Standard for Fire test for window and glass block assemblies.
2 Copyright ©2025 SIRJOEL ALL RIGHTS RESERVED
