102f Flashcards
ASHRAE
American society of heating refrigerating and air conditioning engineers
HEPA is
High efficiency particulate arresting filter
IAQ stands for
Indoor air quality
Impingement filter is
A fibre glass filter coated with sticky substance
MERV
minimum efficiency reporting value
1-20
Three categories of filters
Dry filtration
Wet filtration
Electronic filtration
1 micron is how many mm
0.001 mm
Are fibrous media filters covered in oil
Sometimes
Pleated media filters capture particles at what size
3.0-10.0 microns
Plastic insert hole in the middle of filter is called
Whistle
Wet filters are called
Air washers
Electrostatic air cleaners use what voltage type
DC
Electronic air cleaners pollute
True or false
True
Air filters are tested by what three things
-The fractional filter test
-The atmospheric dust spot test
-The average synthetic dust weight arrestance test
Basic residential MERV rating is
1-4