ASCS Cleaning Methods and Techniques

Question 1

What is the primary method used to remove debris from air ducts during cleaning?

Accepted Answer

Source removal

Answer

Chemical fogging

Answer

UV sterilization

Answer

Ionization

Question 2

Which tool is commonly used for mechanical agitation in air duct cleaning?

Accepted Answer

Rotary brush

Answer

Pressure washer

Answer

Steam cleaner

Answer

Chemical sprayer

Question 3

What type of vacuum is recommended for effective air duct cleaning?

Accepted Answer

HEPA-filtered vacuum

Answer

Standard household vacuum

Answer

Wet/dry shop vacuum

Answer

Handheld dust collector

Question 4

Which method is used to verify cleanliness after air duct cleaning?

Accepted Answer

Visual inspection

Answer

Odor test

Answer

Airflow measurement

Answer

Chemical residue testing

Question 5

What is the purpose of negative air pressure in air duct cleaning?

Accepted Answer

Prevent contaminants from escaping

Answer

Increase airflow efficiency

Answer

Improve HVAC energy consumption

Answer

Cool the duct system

Question 6

Which cleaning technique is most effective for removing microbial contamination in air ducts?

Accepted Answer

Antimicrobial treatment

Answer

Compressed air cleaning

Answer

Dry vacuuming

Answer

Steam washing