Building Operator Certification Energy Efficiency Through Operator Training

Get Certified Find Training BOC Mailing LIst Signup

BOC Bulletins and Quizzes

QUIZ: Care of Airside Economizers to Realize Free Cooling Benefits

This quiz refers to an article in the winter/spring 2012 issue of the BOC Bulletin. To earn one continuing education hour towards your annual BOC re-certification, read the article Take Good Care of Airside Economizers to Realize Free Cooling Benefits on pages 8-9 of the winter/spring 2012 newsletter. Then, take this short quiz online based on the material.

Answer all questions. Enter your information then press the "Submit Quiz" button. You will go to a page that confirms you've completed the test. Print the confirmation of your passed quiz and submit it with the renewal application you receive in January of each year. With a passing grade, we will apply one continuing education hour to your record.

1) Airside economizer systems typically work best for

smaller buildings in cooler climates.
larger buildings in cooler climates.
smaller buildings in hotter climates.
larger buildings in hotter climates.

2) Rule of thumb, you should consider blanking off some of your return air dampers when, at 100% open, air velocity is

more than 1,500 fpm.
less than 1,500 fpm.
exactly 3,000 fpm.
less than 1,500 mph.

3) Payback on commissioning of an existing building’s airside economizer system is usually

less than five years.
more than two years.
less than one year.
less than one month.

4) Sensors play an important role in proper operation of airside economizer systems. Which of the following is the best location for a sensor?

No direct sun, not too close to outlets.
Direct sun, not too close to outlets.
No direct sun, close to outlets.
Direct sun, close to outlets.

5) Airside economizer systems help to improve

indoor air quality.
indoor lighting quality.
energy cost savings.
A & C.

6) Cycling your dampers periodically will catch problem issues such as

stuck dampers.
broken linkages.
proper BAS (building automation systems) command operation settings.
all of the above.

7) Your BAS trend data’s X-Y scatter plots are

a good way to pinpoint the problem with an airside economizer system.
a good way to see if a problem exists with an airside economizer system.
not useful for airside economizer system evaluations.
very confusing to analyze.

8) Worn blade and jamb seals can produce leakage of as much as _____ of rated damper airflow.

5%.
10%.
25%.
30%.

9) It is best to operate the integrated HVAC and airside economizer systems in full (100% outside air) mode when

outside air conditions are slightly warmer than inside air conditions.
outside air conditions are much warmer than inside air conditions.
outside air conditions are slightly cooler than inside air conditions.
outside air conditions are colder than inside air conditions.

10) The operating modes of airside economizer systems are

heating
economizer cooling
integrated economizer and mechanical cooling
mechanical cooling and minimum outside air
all of the above.

11) BONUS QUESTION: What topics would you be interested in reading about in future issues of the BOC Bulletin? List two.

Topic 1:

Topic 2:

Your information:

*Name

*Title

*Employer

Address

City

State Zip

Phone

Fax

*Email Address

*All 10 questions must be answered plus the fields marked with an asterisk.

To submit your completed quiz for re-certification credit (1 credit per quiz passed), please remember to send a printout of your Quiz Confirmation page with your certification renewal application and NOT as a separate item.