HVAC TEST 2

For HVAC TEST 2

53 cards   |   Total Attempts: 184
  

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Cards In This Set

Front Back
Q =
1.1 X CFM X TD
CFM =
Area X CFM number
Human Comfort Interior Design Temp.
75 degrees
Most A/C units are designed to maintain a room temp bewtween
Summer: 72-78
Winter 68-72
What makes a room feel drafty
Air coming out of the diffusers to fast or loose cosc.
IAQ mean
Indoor Air Quality
Humidity levels that are too high and low
60% to high and cause modling
25-30% is too low and will cause drying and static
Psychrometry
The study of AIR and WATER mixture
Humidity is in units of
% relative humidity or
lbs. of moisture/ lbs. of dry air
Speed or velocity is in units of
FPM
Air flow rate is in units of
CFM
Humidity ratio
Lbs water/ lbs dry air
Dew point is in units of
F
Specific Volume
CF/ lbs of dry air
Density
Lbs/ CF