AIRC 1060 MIDTERM PART 1 QUESTIONS AND ANSWERS | AIRC 1060 MIDTERM
STUDY GUIDE 2026/2027
The steps to aggressively controlling the contamination of indoor air would involve ____. - correct
answer ✔✔all of the above
a. locating and eliminating the source of contamination
b. providing adequate ventilation
c. providing methods for cleaning the air
If reservoir-type humidifiers are not properly maintained, which of the following can be discharged into
the air? - correct answer ✔✔all of the above
a. fungi
b. bacteria
c. algae
One of the most common substances that is used as an absorber is ____. - correct answer ✔✔charcoal
A fiberglass filter media air filter contains a dust-holding adhesive that helps prevent particulates from
____.
migrating downstream
migrating upstream
absorbing odors
releasing spores - correct answer ✔✔migrating downstream
Atomizing humidifiers discharge ____ into the air.
CO2
electronic ions
carbon dioxide
tiny water droplets - correct answer ✔✔tiny water droplets
A house is built on property whose soil is rich in uranium. The occupants of the house may ____. -
correct answer ✔✔both a and b
a. be exposed to radon gas
b. be more susceptible to lung cancer
An extended surface filter (pleated type) ____. - correct answer ✔✔both a and b
a. does not clog up as quickly as a standard filter
b. is able to remove more dirt since the surface area is larger
What are the relative humidity limits recommended for residences?
20% to 40%
30% to 50%
40% to 60%
STUDY GUIDE 2026/2027
The steps to aggressively controlling the contamination of indoor air would involve ____. - correct
answer ✔✔all of the above
a. locating and eliminating the source of contamination
b. providing adequate ventilation
c. providing methods for cleaning the air
If reservoir-type humidifiers are not properly maintained, which of the following can be discharged into
the air? - correct answer ✔✔all of the above
a. fungi
b. bacteria
c. algae
One of the most common substances that is used as an absorber is ____. - correct answer ✔✔charcoal
A fiberglass filter media air filter contains a dust-holding adhesive that helps prevent particulates from
____.
migrating downstream
migrating upstream
absorbing odors
releasing spores - correct answer ✔✔migrating downstream
Atomizing humidifiers discharge ____ into the air.
CO2
electronic ions
carbon dioxide
tiny water droplets - correct answer ✔✔tiny water droplets
A house is built on property whose soil is rich in uranium. The occupants of the house may ____. -
correct answer ✔✔both a and b
a. be exposed to radon gas
b. be more susceptible to lung cancer
An extended surface filter (pleated type) ____. - correct answer ✔✔both a and b
a. does not clog up as quickly as a standard filter
b. is able to remove more dirt since the surface area is larger
What are the relative humidity limits recommended for residences?
20% to 40%
30% to 50%
40% to 60%
