Question 1

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 2

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 3

Turning vanes are PRIMARILY designed to:

Options :

A : direct airflow

B : reduce pressure.

C : control temperature.

D : reduce sound.

Answer: A

Question 4

What is the MOST effective way for an ASCS to test the function of a condensate pump?

Options :

A : Unplug and plug in the pump

B : Fill the condensate pan with clean water

C : Disconnect the condensate drain line

D : Fill the pump with clean water

Answer: C

Question 5

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

Options :

A : heat loss.

B : pressure drops.

C : temperature differences.

D : pressure increases.

Answer: B

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