100% Free NADCA ASCS Practice Test Questions and Answers 2026

Start Learning with the Latest and Real 100% Free NADCA ASCS Exam Questions

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Total 150 Questions | Updated On: May 22, 2026

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Question 1

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

A : Dual duct

B : Multi zone

C : Constant volume

D : Exhaust system

Answer: D

Question 2

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 : access and inspect the upstream side of the coil.

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

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

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

Answer: C

Question 3

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 4

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

A : heat loss.

B : pressure drops.

C : temperature differences.

D : pressure increases.

Answer: B

Question 5

Transite (asbestos) pipe is often found in which type of HVAC systems?

A : Dual duct system

B : Sub-slab system

C : Constant volume system

D : Variable air system

Answer: C

Page: 1 / 30

Total 150 Questions | Updated On: May 22, 2026

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