ASCS Ducts Practice Questions
The free ASCS: Air Systems Cleaning Specialist questions that deal with ducts, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #4
Which of the following is NOT a method of cleaning air ducts?
Correct answer: D
Explanation
Heating is not a method used for cleaning air ducts, while the other options represent recognized cleaning techniques.
Question #6
Which organization established the standard for the inspection and cleaning of air ducts?
Correct answer: D
Explanation
The National Air Duct Cleaners Association (NADCA) has established standards for the inspection and cleaning of air ducts.
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