2026 Summer TAB Journal Quiz | AABC Official

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2026 Fall TAB Journal Quiz

Step 1 of 7

14%

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Name(Required)

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Company Name(Required)

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

AABC

ACG

EMA

None of the above

Differential Pressure Devices in Fire Pressurization Systems & the TAB Technician's Role

Franklyn J. Andujar, TBT

JM Test & Balance, Inc.

1. Differential pressure measurements confirm that protected spaces are ________________ relative to adjacent fire zones.(Required)

Negatively pressurized

Positively pressurized

Dynamic

Calibrated

2. Accurate differential pressure testing can allow for early identification of which of the following?(Required)

Duct leakage

Improper damper operation

Fan performance limitations

Control sequence issues

All of the above

TAB Challenges on a Multi-Phase Manufacturing Facility Project

Eddie Addison Jr., TBE

Addison Energy Technologies, LLC

3. What issue in phase 1 was observed after building occupancy?(Required)

Smoke evacuation fans energized sequentially

Balancing valves not installed

Smoke evacuation fans operating in reverse

Air compressors installed incorrectly

4. Why was the TAB team unable to balance cooling towers and air compressors?(Required)

Fans operating in reverse

Hydronic equipment missing

They were inaccessible

Absence of balancing valves and PT ports

As TAB Professionals, We Bring Solutions

Justin Dawn, TBE

Palmetto Air & Water Balance – Texas

5. What modification did the TAB team make to solve the fluctuating BAS readings?(Required)

Adjusting the units from the mechanical room

Using tube to tighten the hose connections

Reconnecting the factory hoses to the correct controller ports

Performing a Pitot tube traverse on the terminal unit

How Exhaust Air Can "Hack" Your HVAC System — and How to Prevent It

Matthew Crittenden, TBS

Air & Water Precision Balancing Inc.

6. In axial, propeller, and tube axial fans, ____________ is directly influenced by blade orientation and motor rotation.(Required)

Airflow direction

Airflow speed

Motor speed

Air pressure

7. What can create negative pressure conditions that draw air from adjacent plenums?(Required)

Inline tube axial installation

Rotation direction

Insufficient return capacity

Excess exhaust capacity

Troubleshooting Airflow Issues in a Surgery Center

Yusuf Essaji, TBT

Air Technology Consulting, LLC

8. What is typically a sign of hidden airflow paths or building envelope problems?(Required)

When negative pressure rooms read positive

When initial measurements read negative

When adjustments are required at each grille

When balancing does not resolve a pressure issue

9. What was the TAB team's final recommendation to the facility?(Required)

Replace wall-mounted equipment

Change the layout of the rooms

Seal all gaps around wall-mounted equipment

Rebalance the supply and exhaust systems

Periodic Rebalancing Pays Dividends for the Owner & Occupants

Christian J. Weisman, TBE, CxA

CJ Weisman Balancing, LLC

10. What was discovered to be allowing excessive primary airflow during heating?(Required)

High system diversity

Improper airflow setpoints

Dirty filters

Broken fans

Δ

Kindly be advised that the fee is non-refundable.

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