ACG CxA Exam Questions with Verified
Answers
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £15.00. You're not tied to anything after your purchase.