[D2L] 102F Air Filtration

Question 1

What is air permeability?

Answer 1

uncontrolled airflow through a building’s envelope

Question 2

What is a contaminant?

Answer 2

Any physical, chemical, biological, or radiological substance or matter that has an adverse effect on earth

Question 3

What is MERV?

Answer 3

Minimum Efficiency Reporting Value

Question 4

What is velocity pressure?

Answer 4

A force applied by a fluid’s motion in one direction

Question 5

What are the three main types of filters?

Answer 5

dry, wet, electric

Question 6

What purpose is served by pleats in a pleated filter?

Answer 6

increases the area of the filter

Question 7

What is a by-product of an electronic air cleaner?

Answer 7

Polluting version of ozone gas

Question 8

MERV ratings are from…

Answer 8

1-20

Question 9

what voltage is used by electronic air cleaners?

Answer 9

High DC voltage

Question 10

What is an atmospheric dust spot test?

Answer 10

the measuring of light passed through a paper covered with dust

Question 11

What is the range of MERV rating for a good commercial air filter?

Answer 11

10 to 14