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Question 1

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

Options :

A : prepare the sprayer to apply the coating

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

C : sanitize the area to be coated.

D : determine if the surface is suitable for coating.

Answer: D

Question 2

Turning vanes are PRIMARILY designed to:

Options :

A : direct airflow

B : reduce pressure.

C : control temperature.

D : reduce sound.

Answer: A

Question 3

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

Options :

A : Architect

B : Industrial hygienist

C : Filtration specialist

D : Test and balance specialist

Answer: B

Question 4

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:

Options :

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 5

During an HVAC system cleaning project, an ASCS encounters vents that have been painted over. What is the usual course of action?

Options :

A : Inform 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 : Continue 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