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

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

Having a regular HVAC filter replacement plan can help:

Options :

A : protect the system components.

B : double the system’ airflow.

C : humidify the airflow.

D : sanitize the system components.

Answer: A

Question 5

Which of the following represents the static pressure, for each area listed, that is MOST likely to be found in a

typical HVAC system?

Supply Return Outside Air

Ductwork Ductwork Intake

Options :

A : Negative Positive Negative

B :

Positive Positive Negative

C : Positive Negative Positive

D : Positive Negative Negative

Answer: C