NCIDQ IDPX prep |ACTUAL QUESTIONS AND
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
Why does the HVAC system need to be balanced at the end of a commercial project?
A. To verify that air quality levels are within the design specifications
B. To detect significant air leaks in the ductwork.
C. To adjust airflow at each device location to meet the criteria in the engineer's design
D. To determine that each office is receiving the amount of outside air required by the
design
CORRECT ANSWER
The correct answer is C. Balancing the HVAC system is the process of measuring air flow
from diffusers and making adjustments to avoid hot and cold spots within a space. It does
not measure air quality, ductwork leaks or outside air.
P1 Project Coordination
Question 2
The typical chronological order of system installation in new commercial construction is:
A. HVAC, Plumbing, Electrical
B. Electrical, Plumbing, HVAC
C. Plumbing, HVAC, Electrical
D. Electrical, HVAC, Plumbing
CORRECT ANSWER
1
,The correct answer is C. Once the interior of a building is sufficiently protected from the
weather, the waste lines and water supply lines of the plumbing system are installed and, if
specified, the pipes for the sprinkler system. The major part of the work for the HVAC system
is carried out, including the installation of boilers, chillers, cooling towers, pumps, fans,
piping, and ductwork. Electrical, communications, and control wiring are routed through the
building.
P3 Building Systems and Integration
Question 3
In which situation would an interior designer use a construction change directive?
A. To request an electrical contractor not listed by the contractor in the bid [tender]
documents
B. To request pricing for an additional receptacle per the client's request
C. To provide additional dimensions to the contractor regarding a receptacle location
D. To relocate an electrical receptacle because of revised furniture plans
CORRECT ANSWER
The correct answer is D. Issuing a change order is the best way to communicate a change to
the construction documents after the contract has been awarded.
P6 Contract Administration
Question 4
At project closeout, what documentation MUST contain the certification of flameproofing
for finishes?
A. Maintenance manuals for furnishings and finishes
2
,B. Guarantees or warranties for furnishings and finishes
C. Record documents for finish applications and furniture installations
D. Certificates of completion for finish applications and furniture installations
CORRECT ANSWER
The correct answer is B. Flameproofing would fall into the category of guarantees and
warranties as it would affect the performance if the product as well as the product's
warranty.
P4 Product and Material Coordination
Question 5
Why are addenda issued?
A. To provide additional information not included in the bid package
B. To inform potential bidders about acceptable alternates
C. To obtain additional information
D. To request a change during construction
CORRECT ANSWER
A. To provide additional information not included in the bid package
Question 6
What does an interior designer look for in a job site visit during contract administration?
A. Conformance to safety procedures
B. Conformance to applicable codes
C. Compliance with contract documents
3
, D. Compliance with the project schedule
CORRECT ANSWER
The correct answer is C. Ensuring compliance with the contract documents is an important
part of interior design project management.
P6 Contract Administration
Question 7
Using a standard form of agreement, who owns the contract documents, construction
drawings, and specifications produced by your office for a specific project?
A. The client and the firm share ownership because they both need the contract
documents.
B. The client owns the documents because they paid the design fee and signed a contract
with your firm.
C. The design firm owns the documents because there is no separate agreement assigning
rights to the client.
D. The design firm and lead designer share ownership because the project design is
considered intellectual property.
CORRECT ANSWER
The correct answer is C. Unless noted under a separate agreement, the drawings and
documents prepared by a design firm remain the property of the design firm and cannot be
used for any purpose other than the completion of the project.
P7 Professional and Business Practices
Question 8
Which of the following has the GREATEST impact on the effectiveness of an HVAC system?
4
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
Why does the HVAC system need to be balanced at the end of a commercial project?
A. To verify that air quality levels are within the design specifications
B. To detect significant air leaks in the ductwork.
C. To adjust airflow at each device location to meet the criteria in the engineer's design
D. To determine that each office is receiving the amount of outside air required by the
design
CORRECT ANSWER
The correct answer is C. Balancing the HVAC system is the process of measuring air flow
from diffusers and making adjustments to avoid hot and cold spots within a space. It does
not measure air quality, ductwork leaks or outside air.
P1 Project Coordination
Question 2
The typical chronological order of system installation in new commercial construction is:
A. HVAC, Plumbing, Electrical
B. Electrical, Plumbing, HVAC
C. Plumbing, HVAC, Electrical
D. Electrical, HVAC, Plumbing
CORRECT ANSWER
1
,The correct answer is C. Once the interior of a building is sufficiently protected from the
weather, the waste lines and water supply lines of the plumbing system are installed and, if
specified, the pipes for the sprinkler system. The major part of the work for the HVAC system
is carried out, including the installation of boilers, chillers, cooling towers, pumps, fans,
piping, and ductwork. Electrical, communications, and control wiring are routed through the
building.
P3 Building Systems and Integration
Question 3
In which situation would an interior designer use a construction change directive?
A. To request an electrical contractor not listed by the contractor in the bid [tender]
documents
B. To request pricing for an additional receptacle per the client's request
C. To provide additional dimensions to the contractor regarding a receptacle location
D. To relocate an electrical receptacle because of revised furniture plans
CORRECT ANSWER
The correct answer is D. Issuing a change order is the best way to communicate a change to
the construction documents after the contract has been awarded.
P6 Contract Administration
Question 4
At project closeout, what documentation MUST contain the certification of flameproofing
for finishes?
A. Maintenance manuals for furnishings and finishes
2
,B. Guarantees or warranties for furnishings and finishes
C. Record documents for finish applications and furniture installations
D. Certificates of completion for finish applications and furniture installations
CORRECT ANSWER
The correct answer is B. Flameproofing would fall into the category of guarantees and
warranties as it would affect the performance if the product as well as the product's
warranty.
P4 Product and Material Coordination
Question 5
Why are addenda issued?
A. To provide additional information not included in the bid package
B. To inform potential bidders about acceptable alternates
C. To obtain additional information
D. To request a change during construction
CORRECT ANSWER
A. To provide additional information not included in the bid package
Question 6
What does an interior designer look for in a job site visit during contract administration?
A. Conformance to safety procedures
B. Conformance to applicable codes
C. Compliance with contract documents
3
, D. Compliance with the project schedule
CORRECT ANSWER
The correct answer is C. Ensuring compliance with the contract documents is an important
part of interior design project management.
P6 Contract Administration
Question 7
Using a standard form of agreement, who owns the contract documents, construction
drawings, and specifications produced by your office for a specific project?
A. The client and the firm share ownership because they both need the contract
documents.
B. The client owns the documents because they paid the design fee and signed a contract
with your firm.
C. The design firm owns the documents because there is no separate agreement assigning
rights to the client.
D. The design firm and lead designer share ownership because the project design is
considered intellectual property.
CORRECT ANSWER
The correct answer is C. Unless noted under a separate agreement, the drawings and
documents prepared by a design firm remain the property of the design firm and cannot be
used for any purpose other than the completion of the project.
P7 Professional and Business Practices
Question 8
Which of the following has the GREATEST impact on the effectiveness of an HVAC system?
4
