Question 1

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 2

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

Question 3

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

Options :

A : Dual duct system

B : Sub-slab system

C : Constant volume system

D : Variable air system

Answer: C

Question 4

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 5

When conducting an inspection, the ASCS should:

Options :

A : avoid cross-contamination and release of contaminants into occupied spaces.

B : avoid contamination of instruments and observation tools.

C : inform occupants immediately if mold is found.

D : perform the inspection during normal business hours.

Answer: C

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