Free NADCA ASCS Exam Questions

Become NADCA Certified with updated ASCS exam questions and correct answers

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Total 150 Questions | Updated On: Mar 05, 2026

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Question 1

According to ACR, The NADCA Standard, if the preliminary determination indicates that extensive mold growth is visible,

A : ASCS should recommend a building-wide evacuation.

B : it is recommended that the cause and extent of microbial growth be determined.

C : air balance professional is required to diagnose the problem.

D : an Indoor Environmental Professional (IEP) should recommend a building-wide evacuation.

Answer: B

Question 2

When working in a hospital, who is responsible for determining cleanup of the work area?

A : ntractor and patient advocate

B : ntractor and local building official

C : ient and local building official

D : ient and contractor

Answer: D

Question 3

Which of the following represents the static pressure, for each area listed, that is MOST likely to be found in a

typical HVAC system?

Supply Return Outside Air

Ductwork Ductwork Intake

A : gative Positive Negative

B : Positive Positive Negative

C : itive Negative Positive

D : itive Negative Negative

Answer: C

Question 4

During an HVAC system cleaning project, an ASCS encounters vents that have been painted over. What is the usual course of action?

A : form the over that the ductwork cannot be cleaned because removing the vent may damage the paint.

B : Proceed with the use of agitation tools without removing the vent.

C : ntinue with the cleaning process, avoiding the use of agitation tools where vents have been painted over.

D : Inform the owner that a razor knife will be used to cut the paint before continuing with cleaning.

Answer: D

Question 5

When conducting an inspection, the ASCS should:

A : oid cross-contamination and release of contaminants into occupied spaces.

B : oid contamination of instruments and observation tools.

C : inform occupants immediately if mold is found.

D : rform the inspection during normal business hours.

Answer: C

Page: 1 / 30

Total 150 Questions | Updated On: Mar 05, 2026

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