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: Oct 27, 2025

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Question 1

What kind of ventilation is PRIMARILY used in a painting chamber?

A : al duct

B : lti zone

C : nstant volume

D : haust system

Answer: D

Question 2

A balometer (flow hood) is MOST frequently used by which of the following trade persons?

A : chitect

B : dustrial hygienist

C : ltration specialist

D : t and balance specialist

Answer: B

Question 3

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 4

According to ACR, The NADCA Standard, all portions of each coil assembly should be cleaned. In order to determine which type of cleaning is required, the ASCS should:

A : cess and inspect the upstream side of the coil.

B : cess and inspect the plenum upstream and downstream of the coil.

C : cess and inspect both upstream and downstream surfaces of the coil.

D : perform pitot tube testing upstream and downstream of the coil.

Answer: C

Question 5

Turning vanes are PRIMARILY designed to:

A : rect airflow

B : duce pressure.

C : control temperature.

D : duce sound.

Answer: A

Page: 1 / 30

Total 150 Questions | Updated On: Oct 27, 2025

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