Human Comfort
Principles of Thermal Comfort
Psychometric Chart
Indoor Air Quality
Ductwork
100
Factors that permit metabolic heat loss.
What is Temperature and Relative Humidity.
100
Refrigerants R-11, R-22, R-502 group.
What is CFC's ( Chlorofluorocarbons ).
100
This is known as psychometrics.
What is the study of air properties.
100
Airborne Contaminants.
What is smoke, dust and odors.
100
The sum of these two terms equal psia.
What is gauge pressure plus atmospheric pressure.
200
Elements of air controlled by A/C systems to maintain comfort.
What is Temperature, Cleanliness, Air Movement, Noise Level, Moisture.
200
Raise or lower the boiling point.
What is increase or lower pressure.
200
These two levels vary according to seasons.
What is temperature and relative humidity.
200
This method is essential to reduce IAQ problems.
What is air changes or ventilation air.
200
This pressure is equal to 27.7 inches of water gauge.
What is 1 psig.
300
Movement of air within one space.
What is Circulation.
300
The physical location of the compressor depending on these two types of units.
What is Packed or Split systems.
300
This term is located at the top of the relative humidity curve.
What is Dew Point Temperature.
300
Mold, fungi and bacteria are what type of contaminants.
What is microbiological.
300
These two gauges measure differential pressure drop accurately.
What is magnehelic and manometer.
400
Determining the rate at which heat will be transferred.
What is Temperature Difference.
400
Zone controlled used in this application.
What is all-air systems.
400
This term is the sum of its total energy.
What is Enthalpy.
400
This type of filter has an open-filter media with low airflow resistance.
What is Panel Filters.
400
The most popular type of material used for take-offs.
What is Flex Duct.
500
A measure of the internal heat of a substance.
What is Sensible Heat.
500
A system designed to supply each zones maximum load continuously.
What is a constant air volume ( CAV ) system.
500
This term is decreased in value as the dry bulb temperature is increased.
What is Relative Humidity .
500
What filter, in addition to the HELPA filter ranks above the 90% efficiency range.
What is electrostatic precipitators.
500
The standard ventilation rate per person for a conference room area.
What is 20 cfm.
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