2020 Fall 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

Desiccant Dehumidification in Operating Rooms

Chris White, PE, TBE, Systems Analysis, Inc.

1. Older standards typically called for what temperature range for operating rooms?(Required)

60-65°F.

68-73°F.

65-67°F.

Desiccant Dehumidification in Operating Rooms

Chris White, PE, TBE, Systems Analysis, Inc.

2. Why was regen air difficult to confirm?(Required)

Insufficient time to test it.

Uncooperative O&M personnel.

The unit’s configuration.

Desiccant Dehumidification in Operating Rooms

Chris White, PE, TBE, Systems Analysis, Inc.

3. What was the ultimate cause of the desiccant dehumidification unit not being able to reach design conditions?(Required)

A steam valve that wasn’t able to meet design.

Water damage from a recent storm.

A crack in the wheel.

Recommendations for Periodic Testing, Adjusting and Balancing of Existing Buildings

Gaylon Richardson, TBE, CxA, Engineered Air Balance Co., Inc.

4. How often does AABC recommend doing periodic TAB if a building has a good ongoing maintenance program?(Required)

Every year.

Every 3 years.

Every 10 years.

Recommendations for Periodic Testing, Adjusting and Balancing of Existing Buildings

Gaylon Richardson, TBE, CxA, Engineered Air Balance Co., Inc.

5. Units under what size are exempt from ASHRAE Standard 62.1-2019’s recommendation to verify total quantity of outside air every 5 years?(Required)

10000 cfm

5000 cfm

2000 cfm

Recommendations for Periodic Testing, Adjusting and Balancing of Existing Buildings

Gaylon Richardson, TBE, CxA, Engineered Air Balance Co., Inc.

6. Which of the following items is NOT specifically listed as a filter-related audit item to be performed by the TAB agency?(Required)

Replace all filters with higher MERV-rated media.

Verify filter cleanliness.

Verify filter racks do not allow air to bypass.

Balancing Hydronic Pumps with In-Line Autoflow Devices

John Todd, TBE, CxA, Capital Air Balance, Inc.

7. What was the Hertz for the pumps operating at 100 percent?(Required)

40 Hz

45 Hz

55 Hz

60 Hz

Balancing Hydronic Pumps with In-Line Autoflow Devices

John Todd, TBE, CxA, Capital Air Balance, Inc.

8. Which of the following is NOT one of the methods that the team used to reduce energy costs?(Required)

Reduce speed on the pumps from 60 Hz to 45 Hz on the condenser.

Reduce speed on the pumps from 60 Hz to 40 Hz on the evaporator.

Stagger reduction of the speed on the evaporator at different times while immediately reducing the pump speed on the condenser to not disrupt the comfort of occupants.

Start an additional cooling tower.

Balancing Hydronic Pumps with In-Line Autoflow Devices

John Todd, TBE, CxA, Capital Air Balance, Inc.

9. What is the suggested best means to establish design flow?(Required)

Start at rated valve pressure drop.

Start at below rated valve pressure drop and slowly ramp up pumps to design pressure required.

Start at above rated valve pressure drop and slowly lower pumps to design pressure required.

Memorial University of Newfoundland, Annex Generator Ventilation

Glen Whalen, TBS, Vanne Technical Services Inc.

10. Which was the MEASURED speed taken on the ventilation system servicing the Memorial University of Newfoundland Annex?(Required)

385 RPM.

365 RPM.

355 RPM.

Memorial University of Newfoundland, Annex Generator Ventilation

Glen Whalen, TBS, Vanne Technical Services Inc.

11. What was the range of total traverse velocities?(Required)

Low of 1,000 FPM, high of 2,000 fpm.

Low of 500 FPM, high of 1,000 FPM

Low of 800 FPM, high of 1,750 FPM

Memorial University of Newfoundland, Annex Generator Ventilation

Glen Whalen, TBS, Vanne Technical Services Inc.

12. What was ultimately discovered to be the source of the ventilation problem?(Required)

Duct Length.

Fan rotation.

Obstructed grilles.

Dealing with the Impact of COVID-19 on Current HVAC Systems and Equipment

Lawrence S. Poos, PE, TBE, Test and Balance Corporation

13. Which of the following is a recommendation for HVAC systems for stopping the spread of COVID-19?(Required)

Increasing the amount of outdoor air ventilation provided in a building’s HVAC system.

Adding an aerosol distribution device to the HVAC system to spread a non-toxic disinfectant.

If a case of COVID-19 is discovered within the building at any point, increase recirculation to stop the spread of the virus outside of the building.

Dealing with the Impact of COVID-19 on Current HVAC Systems and Equipment

Lawrence S. Poos, PE, TBE, Test and Balance Corporation

14. According to the article, if a building does not have sufficient cooling capacity to switch to 100% outside air (OA) ventilation, what is the best and most cost-effective way to increase a facility’s OA capacity?(Required)

Add a separate, dedicated OA supply air handling unit.

Open all facility windows whenever possible.

Cycle at regular intervals between 100% OA and 20% OA.

Dealing with the Impact of COVID-19 on Current HVAC Systems and Equipment

Lawrence S. Poos, PE, TBE, Test and Balance Corporation

15. Which is a possible hazard that can result from increasing the outside air ventilation to an HVAC system?(Required)

An increase in the overall building humidity and corresponding damage.

An increase in the possibility of bringing small pests into the building.

It can wildly inflate energy costs to the point where it negates any value from safety precautions.

2020 Fall 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

AABC Cookie Notification