2021 Summer TAB Journal Quiz

Name(Required)

First Last

Email(Required)

Company Name(Required)

Are you an AABC, ACG, or EMA member? (check all that apply)(Required)

AABC

ACG

EMA

None of the above

Direct Drive & Fanwall Startup Fails

Brian Trogstad, TBE, Design Control, Inc.

1. In the first project example, what was causing the duct operating static to be low?(Required)

The minimum Hz setting was too high

The maximum Hz setting was too low

The installed VFDs were blowing air in the wrong direction

Direct Drive & Fanwall Startup Fails

Brian Trogstad, TBE, Design Control, Inc.

2. In the second project example, what could have caused damage to the HVAC equipment if it wasn’t corrected?(Required)

The fans were at a design fan speed too high for the units.

Loose fittings on the fan.

The fan was installed backward.

Direct Drive & Fanwall Startup Fails

Brian Trogstad, TBE, Design Control, Inc.

3. In the third project example, what was a major cause of the HVAC issues?(Required)

The drives for the air handling unit and return air fan were labeled backwards.

The VFD parameters were initially set up incorrectly.

There were two return air fans but no AHU.

Steps to Take When Starting a TAB Job

John Seely, TBE, Thermal Balance, Inc.

4. Ideally, what should have been prepared before arrival at the job site for a new TAB Job?(Required)

The certificate of occupancy.

A list of safety concerns.

The TAB report field sheets.

Steps to Take When Starting a TAB Job

John Seely, TBE, Thermal Balance, Inc.

5. How should design issues or discrepancies noted during project setup generally be addressed? (Required)

Using the Request for Information (RFI) process.

Immediately informing the project owner directly.

Noting them in the final TAB report only.

Steps to Take When Starting a TAB Job

John Seely, TBE, Thermal Balance, Inc.

6. Where can one find a ready checklist for functional readiness?(Required)

The TAB field report

The building manager

The AABC National Standards for Total System Balance

Proper Indoor Air Quality and Wentilation Verification

Raj Setty, PE, CxA, LEED AP, Setty & Associates International, PLLC, ASHRAE Epidemic Task Force

7. How should a team begin indoor air quality assessments for buildings?(Required)

Examine the HVAC infrastructure to verify the state of the systems.

Get readings of the air quality with a hood.

Flush the entire HVAC system to get a standard reading of all systems.

Proper Indoor Air Quality and Wentilation Verification

Raj Setty, PE, CxA, LEED AP, Setty & Associates International, PLLC, ASHRAE Epidemic Task Force

8. According to the article, how many volatile organic compound samples should be taken?(Required)

One per 500 ft2.

One per 5,000 ft2.

One per 1 ft2.

Proper Indoor Air Quality and Wentilation Verification

Raj Setty, PE, CxA, LEED AP, Setty & Associates International, PLLC, ASHRAE Epidemic Task Force

9. Why of the following is NOT a reason to establish a building’s IAQ baseline?(Required)

Ensures that the building is already properly balanced.

Ensures that the building is not over-sanitizing.

Ensures that the building is being properly flushed with clean air.

Proper Indoor Air Quality and Wentilation Verification

Raj Setty, PE, CxA, LEED AP, Setty & Associates International, PLLC, ASHRAE Epidemic Task Force

10. What is the most practical step to ensure that indoor air quality remains optimal?(Required)

The outside air dampers must remain open at all times.

Volatile organic compounds must be completely eliminated.

Ensure dampers can be closed when outside air quality is poor.

The Evolution of the TAB Professional

Justin Garner, PE, TBE, CxA, Engineered Air Balance Co., Inc.

11. What’s the first thing that current TAB professionals should do to onboard new technicians?(Required)

Provide light guidance as they learn as they go.

Provide a solid foundation of fundamentals.

Maintain a strict mentorship to ensure that new technicians get diverse on-the-job training.

The Evolution of the TAB Professional

Justin Garner, PE, TBE, CxA, Engineered Air Balance Co., Inc.

12. What part of the TAB profession does the article suggest that most professionals are under-prepared for?(Required)

Variable air volume boxes.

Modern flowhood use.

Hydronic system balancing.

The Evolution of the TAB Professional

Justin Garner, PE, TBE, CxA, Engineered Air Balance Co., Inc.

13. What portion of TAB work does the article specifically contend the TAB industry is lacking in qualified personnel to fill?(Required)

Basic, non-complex air and hydronic systems.

Leadership roles.

Heating specialists.

The Evolution of the TAB Professional

Justin Garner, PE, TBE, CxA, Engineered Air Balance Co., Inc.

14. What does the article state is the most important aspect of a TAB professional?(Required)

Leadership skills.

Fundamentals.

Specialization.

Challenges of Balancing Systems with ECM Motors

C&W – TESCO, Inc.

15. Why are ECM motors a possible problem for TAB contractors?(Required)

They adjust automatically due to various factors.

Their connections to the electrical system are unreliable and can short out.

Their size can make it difficult to make them fit with different HVAC systems.

2021 Summer TAB Journal Quiz

Suggested Drawing Specification

AIA-Format LONG-FORM SPECIFICATION

Section 230593 – TESTING, ADJUSTING AND BALANCING FOR HVAC

AIA-Format SHORT – FORM SPECIFICATION

Section 230593 – TESTING, ADJUSTING AND BALANCING FOR HVAC

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