Name(Required)

First Last

Email(Required)

What tools are NOT commonly used for troubleshooting air issues?(Required)

Micromanometer

Camera

Smoke Pencil

Tachometer

When troubleshooting a system with reduced airflow, consider verifying the fan motor________.(Required)

Rotation

Brand

HP

Frame

On a draw-through CHW coil, leakage at the _________ can cause condensation issues inside the AHU.(Required)

Drain

Access Doors

Hose bib

Fan

Direct-drive exhaust fans can benefit a design/operation due to:(Required)

Fewer belts to maintain

Airflow flexibility (if ECM or on a VFD)

Less expensive to purchase new

Both A and B

_____ _______, when properly installed, can help maintain consistent room pressures.(Required)

Pressure taps

Door Sweeps

Exhaust grilles

Room thermostat

Airflow monitoring stations require___________________(Required)

proper inlet conditions to be accurate/reliable

regular cleaning/maintaince

filters

Both A and B

What issues can a opposed blade damper mounted directly on the grille cause?(Required)

noise

unreliable / moves over time

collect dust / debris

All of the above

When an AHU is no longer delivering expected airflow, what is the first recommended step?(Required)

Replace the fan motor

rebalance the entire system

start with simple checks

increase the static pressure setpoint

In a fan array system, what could cause airflow issues due to internal bypass?(Required)

Dirty cooling coil

Unsealed wall between suction and discharge

High static pressure setpoint

Low chilled water temperature

Why is it important for TAB professionals to communicate with facility managers?(Required)

To assign blame

To share knowledge and improve future troubleshooting

To reduce workload

To avoid repeat visits

AABC TAB Talk May 2026 Quiz: Using TAB Experience to Troubleshoot Performance Issues

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