NCIDQ IDPX Prep Exam Questions and
Answers Graded A+
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.
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,P1 Project Coordination
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-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
In which situation would an interior designer use a construction change directive?
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,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
At project closeout, what documentation MUST contain the certification of
flameproofing for finishes?
A. Maintenance manuals for furnishings and finishes
B. Guarantees or warranties for furnishings and finishes
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, 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
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
What does an interior designer look for in a job site visit during contract
administration?
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
Answers Graded A+
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.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,P1 Project Coordination
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-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
In which situation would an interior designer use a construction change directive?
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,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
At project closeout, what documentation MUST contain the certification of
flameproofing for finishes?
A. Maintenance manuals for furnishings and finishes
B. Guarantees or warranties for furnishings and finishes
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, 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
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
What does an interior designer look for in a job site visit during contract
administration?
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
