ACG CXA ACTUAL EXAM LATEST |2025-2026| QUESTIONS WITH CORRECT ANSWERS GRADE A+
AABC ✔️Associated Air Balance Council
ASHRAE ✔️American Society of Heating, Refrigerating and Air-Conditioning Engineers
ANSI ✔️American National Standards Institute
ASTM ✔️ASTM International, formerly known as American Society for Testing and Materials
ISO ✔️International Organization for Standardization
ASME ✔️American Society of Mechanical Engineers
NFPA ✔️National Fire Protection Association
SMACNA ✔️Sheet Metal and Air Conditioning Contractors' National Association
What does EBCx stand for? ✔️Existing Building Commissioning
What does FIM stand for? ✔️Facility improvement measure
What does NETA stand for? ✔️International Electricl Testing Associaiton
What does NFPA stand for? ✔️National Fire Protection Associaiton
What does NICET stand for? ✔️National Institute for Certificaiton in Engineering Technology
What does CFR stand for? ✔️Current Facility Requirements
Define ACG ✔️AABC Commissioning Group. A non-profit association dedicated to the advancement of
the building commissioning industry
What does AABC stand for? ✔️Associated air balance council
What does AI stand for? ✔️Analog Input
What does AO stand for? ✔️Analog Output
What does ATC stand for? ✔️Automatic Temperature Controls
What does BAS stand for? ✔️Building Automation system
What does CA stand for? ✔️Commissioning Authority
What does CT stand for? ✔️Cooling Tower
What does CHWR stand for? ✔️Chilled water return
,What does CHWS stand for? ✔️Chilled water supply
What does CWR stand for? ✔️Condenser water return
What does CWS stand for? ✔️Condenser water supply
What does DDC stand for? ✔️Direct Digital Control
What does DI stand for? ✔️Digital Input
What does DID stand for? ✔️Design Intent Document
What does DO stand for? ✔️Digital output
Define FPT ✔️Functional Preformance Test. Process of testing the DDC/BAS/EMS in every possible
condition and verifying correct equipment response. This is the "Heart of the commissioning process".
What does HVAC stand for? ✔️Heating, Ventilation & Air Conditioning
What does IAQ stand for? ✔️Indoor Air Quality
What does LEED stand for? ✔️Leadership in Energy and Environmental Design, USGBC trademarked
"Green Building Rating System"
What doesO&M stand for? ✔️Operation and Maintenance
What does OA stand for? ✔️Outside Air
What does PM stand for? ✔️Preventive Maintenance
What does RFP stand for? ✔️Request for proposal
What does RFT stand for? ✔️Resolution Tracking Form
What does SVC stand for? ✔️System Verificaiton Checklist
Define TAB ✔️Testing, Adjusting, and Balancing or Test and Balance. Process of controlling air and water
flow through HVAC equipment. Recommended that a third party be directly contracted with owner
What does TBE stand for? ✔️Test and Balance Engineer
What does USGBC stand for? ✔️United States Green Building Council
What does ECM stand for? ✔️Energy Conservation Measure
What does ANSI stand for? ✔️Americans National Standards Institute
What does ASTM stand for? ✔️American Society for Testing and Materials International
What does ISO stand for? ✔️International Organization for Standards
What does ARI or AHRI stand for? ✔️Air Conditionaing, (Heating), and Refrigeration Instiute
,What does ACCA stand for? ✔️Air Conditioning Contractors of America
Define UL ✔️Underwriters Laboraories - Demonstrates safety, conformance, sustainablility, etc.
What does ASME stand for? ✔️American Society for Mechanical Enginners
What does SMACNA stand for? ✔️Sheet Metal and Air Conditioning Contractos National Institute
Define Commissioning ✔️A systematic process that facilities and ensure the required communication,
coordination testing, and verification and results in the delivery of a building whose HVAC systems
preform as intended.
During what phase should Commissioning be incorporated? ✔️For best results Commissioning should be
included in all phases of the design and construction process
Typically how much does Commissioning cost? ✔️Comprehensive HVAC Comissioning cost 2%-5% of
HVAC construction cost
Define RFQ ✔️Request for Qualifications. Document asking for details concerning previous relevant Cx
experience. Information includes:
Define Re-Commissioning ✔️Periodically Re-commissioning systems that were commissioned when they
were new. The purpose is to diagnose the cause of ongoing, unresolved problems or as part of a
planned preventive maintenance program to prevent issued from arising over time.
Define Retro-Commissioning ✔️Commissioning of existing systems that were not commissioned when
they were new.
Name the different contruciton models ✔️Plan and spec, Design- Build
What is included in the Pre-design phase for Comprehensive HVAC Cx? ✔️1. Cx is established as part of
project
2. Owner select CxA
3. Develop Cx Scope
4. CxA review design intent document
What is included in the Design phase for Comprehensive HVAC Cx? ✔️1. Review design to ensure it
accommodates Cx
2. Write Cx specifications defining contractor responsibilities
3. Establish project schedule
What is included in the Construction phase for Comprehensive HVAC Cx? ✔️1. CxA reviews contractor
submittals
2. CxA updated Cx plan
3. Cx process is coordinated-through project schedule, Cx plan, and commissioning meetings
, 4. Carry out document systems verification checks
5. Carry out the document equipment and system start-ups
6. TAB agency completes and documents test and balance work
What is included in the Acceptance phase for Comprehensive HVAC Cx? ✔️1. Carry out functional
performance tests on all HVAC systems
2. Train the O&M staff for effective, ongoing operations and maintenance of all systems
3. Provide full documentation
What is included in the Post-Acceptance phase for Comprehensive HVAC Cx? ✔️1. Correct any
deficiencies, and carry out any required re-testing
2. Carry out any required "off-season" tests
3. Update documentation as required
What is the purpose of ASHRAE Guideline 0? ✔️"...to describe the commissioning process capable of
verifying that a facility and its systems meet the OPR."
What is a systems manual? ✔️"A system-focused composite document that includes the operation
manual, maintenance manual, and additional information of use to the Owner during the Occupancy
and Operations Phase."
What is the basis for the Cx Plan and schedule? ✔️The OPR (created during the pre-design phase)
An effective commissioning process depends upon a clear, concise, and comprehensive _____? ✔️OPR
The OPR (evolves / doesn't evole) through each project phase. ✔️Evolves (like a dinosaur)
It must be noted in the contract documents that the _____ is issued for information only and that this
document shall not define, nor shall it be used to interpret the requirements of the contract. ✔️OPR
The _____ _____ address the OPR and reflects the defined scope and budget for the commissioning
process. ✔️Commissioning plan
The Cx Plan (is / is not) updated during the life of a project to reflect changes in planning, design,
construction, and occupancy and operations. ✔️IS
The _____ _____ forms the core of the final commissioning report. ✔️Commissioning plan
What contains detailed descriptions of design, installation, or performance issues that are at variance
with the OPR? ✔️The Issues Log
The frequency of Cx Process Progress Reports depends upon the amount of work being accomplished
and could vary from every 2 months to 6 months. A general guide to follow is one progress report for
every ____ Cx Team meetings. ✔️4
AABC ✔️Associated Air Balance Council
ASHRAE ✔️American Society of Heating, Refrigerating and Air-Conditioning Engineers
ANSI ✔️American National Standards Institute
ASTM ✔️ASTM International, formerly known as American Society for Testing and Materials
ISO ✔️International Organization for Standardization
ASME ✔️American Society of Mechanical Engineers
NFPA ✔️National Fire Protection Association
SMACNA ✔️Sheet Metal and Air Conditioning Contractors' National Association
What does EBCx stand for? ✔️Existing Building Commissioning
What does FIM stand for? ✔️Facility improvement measure
What does NETA stand for? ✔️International Electricl Testing Associaiton
What does NFPA stand for? ✔️National Fire Protection Associaiton
What does NICET stand for? ✔️National Institute for Certificaiton in Engineering Technology
What does CFR stand for? ✔️Current Facility Requirements
Define ACG ✔️AABC Commissioning Group. A non-profit association dedicated to the advancement of
the building commissioning industry
What does AABC stand for? ✔️Associated air balance council
What does AI stand for? ✔️Analog Input
What does AO stand for? ✔️Analog Output
What does ATC stand for? ✔️Automatic Temperature Controls
What does BAS stand for? ✔️Building Automation system
What does CA stand for? ✔️Commissioning Authority
What does CT stand for? ✔️Cooling Tower
What does CHWR stand for? ✔️Chilled water return
,What does CHWS stand for? ✔️Chilled water supply
What does CWR stand for? ✔️Condenser water return
What does CWS stand for? ✔️Condenser water supply
What does DDC stand for? ✔️Direct Digital Control
What does DI stand for? ✔️Digital Input
What does DID stand for? ✔️Design Intent Document
What does DO stand for? ✔️Digital output
Define FPT ✔️Functional Preformance Test. Process of testing the DDC/BAS/EMS in every possible
condition and verifying correct equipment response. This is the "Heart of the commissioning process".
What does HVAC stand for? ✔️Heating, Ventilation & Air Conditioning
What does IAQ stand for? ✔️Indoor Air Quality
What does LEED stand for? ✔️Leadership in Energy and Environmental Design, USGBC trademarked
"Green Building Rating System"
What doesO&M stand for? ✔️Operation and Maintenance
What does OA stand for? ✔️Outside Air
What does PM stand for? ✔️Preventive Maintenance
What does RFP stand for? ✔️Request for proposal
What does RFT stand for? ✔️Resolution Tracking Form
What does SVC stand for? ✔️System Verificaiton Checklist
Define TAB ✔️Testing, Adjusting, and Balancing or Test and Balance. Process of controlling air and water
flow through HVAC equipment. Recommended that a third party be directly contracted with owner
What does TBE stand for? ✔️Test and Balance Engineer
What does USGBC stand for? ✔️United States Green Building Council
What does ECM stand for? ✔️Energy Conservation Measure
What does ANSI stand for? ✔️Americans National Standards Institute
What does ASTM stand for? ✔️American Society for Testing and Materials International
What does ISO stand for? ✔️International Organization for Standards
What does ARI or AHRI stand for? ✔️Air Conditionaing, (Heating), and Refrigeration Instiute
,What does ACCA stand for? ✔️Air Conditioning Contractors of America
Define UL ✔️Underwriters Laboraories - Demonstrates safety, conformance, sustainablility, etc.
What does ASME stand for? ✔️American Society for Mechanical Enginners
What does SMACNA stand for? ✔️Sheet Metal and Air Conditioning Contractos National Institute
Define Commissioning ✔️A systematic process that facilities and ensure the required communication,
coordination testing, and verification and results in the delivery of a building whose HVAC systems
preform as intended.
During what phase should Commissioning be incorporated? ✔️For best results Commissioning should be
included in all phases of the design and construction process
Typically how much does Commissioning cost? ✔️Comprehensive HVAC Comissioning cost 2%-5% of
HVAC construction cost
Define RFQ ✔️Request for Qualifications. Document asking for details concerning previous relevant Cx
experience. Information includes:
Define Re-Commissioning ✔️Periodically Re-commissioning systems that were commissioned when they
were new. The purpose is to diagnose the cause of ongoing, unresolved problems or as part of a
planned preventive maintenance program to prevent issued from arising over time.
Define Retro-Commissioning ✔️Commissioning of existing systems that were not commissioned when
they were new.
Name the different contruciton models ✔️Plan and spec, Design- Build
What is included in the Pre-design phase for Comprehensive HVAC Cx? ✔️1. Cx is established as part of
project
2. Owner select CxA
3. Develop Cx Scope
4. CxA review design intent document
What is included in the Design phase for Comprehensive HVAC Cx? ✔️1. Review design to ensure it
accommodates Cx
2. Write Cx specifications defining contractor responsibilities
3. Establish project schedule
What is included in the Construction phase for Comprehensive HVAC Cx? ✔️1. CxA reviews contractor
submittals
2. CxA updated Cx plan
3. Cx process is coordinated-through project schedule, Cx plan, and commissioning meetings
, 4. Carry out document systems verification checks
5. Carry out the document equipment and system start-ups
6. TAB agency completes and documents test and balance work
What is included in the Acceptance phase for Comprehensive HVAC Cx? ✔️1. Carry out functional
performance tests on all HVAC systems
2. Train the O&M staff for effective, ongoing operations and maintenance of all systems
3. Provide full documentation
What is included in the Post-Acceptance phase for Comprehensive HVAC Cx? ✔️1. Correct any
deficiencies, and carry out any required re-testing
2. Carry out any required "off-season" tests
3. Update documentation as required
What is the purpose of ASHRAE Guideline 0? ✔️"...to describe the commissioning process capable of
verifying that a facility and its systems meet the OPR."
What is a systems manual? ✔️"A system-focused composite document that includes the operation
manual, maintenance manual, and additional information of use to the Owner during the Occupancy
and Operations Phase."
What is the basis for the Cx Plan and schedule? ✔️The OPR (created during the pre-design phase)
An effective commissioning process depends upon a clear, concise, and comprehensive _____? ✔️OPR
The OPR (evolves / doesn't evole) through each project phase. ✔️Evolves (like a dinosaur)
It must be noted in the contract documents that the _____ is issued for information only and that this
document shall not define, nor shall it be used to interpret the requirements of the contract. ✔️OPR
The _____ _____ address the OPR and reflects the defined scope and budget for the commissioning
process. ✔️Commissioning plan
The Cx Plan (is / is not) updated during the life of a project to reflect changes in planning, design,
construction, and occupancy and operations. ✔️IS
The _____ _____ forms the core of the final commissioning report. ✔️Commissioning plan
What contains detailed descriptions of design, installation, or performance issues that are at variance
with the OPR? ✔️The Issues Log
The frequency of Cx Process Progress Reports depends upon the amount of work being accomplished
and could vary from every 2 months to 6 months. A general guide to follow is one progress report for
every ____ Cx Team meetings. ✔️4
