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: Dec 16, 2025

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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

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 3

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 4

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 5

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

Page: 1 / 30

Total 150 Questions | Updated On: Dec 16, 2025

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