Free NADCA ASCS Exam Questions

Become NADCA Certified with updated ASCS exam questions and correct answers

Page: 1 / 30

Total 150 Questions | Updated On: Jun 15, 2026

Add To Cart

Question 1

Significant contaminant build-up in ductwork is MOST likely found in areas affected by:

A : at loss.

B : essure drops.

C : mperature differences.

D : essure increases.

Answer: B

Question 2

Having a regular HVAC filter replacement plan can help:

A : otect the system components.

B : uble the system’ airflow.

C : midify the airflow.

D : nitize the system components.

Answer: A

Question 3

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 4

Before applying a coating to fibrous glass components, the ASCS should FIRST:

A : epare the sprayer to apply the coating

B : eam clean and dry the area to be coated.

C : nitize the area to be coated.

D : termine if the surface is suitable for coating.

Answer: D

Question 5

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

Page: 1 / 30

Total 150 Questions | Updated On: Jun 15, 2026

Add To Cart