Unit 34 & 36 Refrigeration Applied to A/C Assignment Exam And Updated Answers.
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Course
Fire and Smoke Damage Restoration Technician
Institution
Fire And Smoke Damage Restoration Technician
The steps to aggressively controlling the contamination indoor air would involve__. - Answer locating and eliminating all sources of contamination while both providing adequate ventilation and methods for cleaning the air.
A house built on property whose soil is rich with uranium. the occupan...
Unit 34 & 36 Refrigeration Applied to A/C
Assignment Exam And Updated
Answers.
The steps to aggressively controlling the contamination indoor air would involve__. - Answer locating
and eliminating all sources of contamination while both providing adequate ventilation and methods for
cleaning the air.
A house built on property whose soil is rich with uranium. the occupants of the house may__. - Answer
Be exposed to radon gas and may be more susceptible to lung cancer.
Electronic Air Cleaners generally have __. - Answer Ionizing sections, prefilters, and charcoal filters.
A pleated (extended surface type) filter__. - Answer Has much more surface area than non pleated and
do not clog up as quickly.
One of the most common substances used as an absorber is__. - Answer Charcoal.
Humidification generally relates to the process of causing water to __into the air. - Answer Evaporate
The controller for a Humidifier, a Humidistat, has an element that is__-sensitive. - Answer Moisture
Atomizing humidifiers discharge _____ into the air. - Answer Tiny water droplets
What level of mold contamination corresponds to areas from 10 to 30 square feet? - Answer Level II
What are the relative humidity limits recommended for residences ? - Answer 40% to 60%
A fiberglass media filter contains a dust holding adhesive that helps prevent particulates from ____. -
Answer Migrating downstream
, Because humidifiers use water, the evaporative surfaces and water reservoir must be cleaned and
sanitized regularly to prevent the distributions of ____ by the moving air stream. - Answer Fungi, algae,
and bacteria
People whop are active and spend a great deal of time outdoors are more likely to experience the effects
of pollution. - Answer False
Caution must be used with changing from one air-cleaning filter type to another. If a technician replaces
a low-density filter with a high-density filter it is very likely that the airflow will be reduced. - Answer
True. denser material makes it harder for air to flow through
An atomizing humidifier should not operate when the furnace and the blower are not operating. -
Answer True. It is essential that the furnace be operating while atomizing humidifier is in use, to
prevent the accumulation of moisture which can cause a major moisture issue.
The humidifier should exhaust directly onto air filters and electronic air cleaners. - Answer False. Giving
moisture a place to collect with abundant heat creates a breeding ground for mold, bacteria, and algae.
The filters and air cleaners should be at the intake end not the exhaust.
Environmental Tobacco Smoke (ETS) is often referred to as. - Answer Second hand smoke.
The American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)has guidelines
governing indoor air quality. These Guidelines are called ASHRAE standard ____. - Answer 62.1-2013
____ filters have large surface areas and require a deep filter case. - Answer Cube
When odor is a concern, a filter containing _____ should be used. - Answer Charcoal
In the ionizing section of an electronic air cleaner, the particles in the air are given a positive____ -
Answer Charge
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