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Exam 20: Air Humidification and Filtration

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Question 21

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For high-efficiency fossil fuel and electronic furnaces as well as heat pump systems, the recommended humidifier would be an ______________________________ type.

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Question 22

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Describe an atomizing humidifier.

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It discharges tiny droplets of...

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Question 23

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In the ionizing section of an electronic air cleaner, the particles in the air are ___________________________________.

Atomizing humidifiers discharge ____ into the air.

The American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) has guidelines governing indoor air quality. These guidelines are called ASHRAE Standard ____________________.

People who are active and spend a great deal of time outdoors are more likely to experience the effects of pollution.

Why are high efficiency particulate arrestor (HEPA) filters desirable?

The main purpose of adding a humidifier to a heating system is to replace the moisture that is removed by the heating equipment.

What are the relative humidity limits recommended for residences?

Humidification generally relates to the process of causing water to ____ into the air.

To remove odors, downstream from air filters, a filter using a material called ______________________________ is used.

Deep extended surface air filters are up to three times more efficient than regular air filters because the filter media used is ______________________________.

A humidifier should cycle with the blower in the heating unit.