Free Practice NADCA ASCS Exam Questions 2026

Stay ahead with 100% Free Air Systems Cleaning Specialist ASCS Dumps Practice Questions

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Total 150 Questions | Updated On: May 22, 2026

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Question 1

Turning vanes are PRIMARILY designed to:

A : direct airflow

B : reduce pressure.

C : control temperature.

D : reduce sound.

Answer: A

Question 2

A client is noticing black particulate coming out of the diffusers and ending up on desks. During the initial inspection, the ASCS should pay close attention to the:

A : condition of the ceiling tiles.

B : condition of the internal duct insulation.

C : condition of the external insulation on the return.

D : closed cell foam insulation covering the AC line set.

Answer: B

Question 3

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

A : the ASCS should recommend a building-wide evacuation.

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

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

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

Answer: B

Question 4

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

A : Architect

B : Industrial hygienist

C : Filtration specialist

D : Test and balance specialist

Answer: B

Question 5

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

A : Contractor and patient advocate

B : Contractor and local building official

C : Client and local building official

D : Client and contractor

Answer: D

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Total 150 Questions | Updated On: May 22, 2026

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