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Facilities HVAC Quiz

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HVAC

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Terms in this set (52)

Heating Ventilation Air Conditioning

How has advent of AC changed the way we develop hotels and where guests travel?

AC was invented by Carrier (Cornell Engineer). Lodging became systemized and people no longer cared about the temperature of the place as much

water vapor to liquid on a cooler surface

Relative Humidity

Amount of water vapor the air can hold

Evaporation is the opposite of

liquid into water vapor

Are air conditioning and conditioned air the same?

No. Conditioned air is any treatment of air, not just cooling it (heating, humidifying, etc.). Air conditioning is the act of cooling air, and it is conditioned air

Indoor Air Quality

IAQ Measurement is

BTU (British Thermal Units)

12,000 BTU equals

1 ton of cooling

21,000 BTU of AC to cool

1,000 square ft room

American Society for Heating, Refrigeration, Air Conditioning Engineers

3 types of heat:

1. Radiation (waves)
2. Convection (liquid or air)
3. Conduction (direct contact)

An egg boiling in a pot is an example of which type of heat?

Cooking in liquid, so convection

The 6 HVAC Goals

1. Provide filtered air
2. Provide fresh air (because air gets stale when more CO2 than O2)
3. Exhaust irritants and odors
4. Raise or lower humidity
5. Provide circulating air
6. Control DB temperature