ASCS

ASCS practice questions, page 5 of 6, with answer review and explanations.

Question 21

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

  1. Negative Positive Negative
  2. Positive Positive Negative
  3. Positive Negative Positive
  4. Positive Negative Negative

Question 22

Changes in temperature in a constant air volume (CAV) system are made by:

  1. dampering at terminal ends.
  2. modulating the volume of air.
  3. heating or cooling the air.
  4. dampering at the fan.

Question 23

According to ACR, The NADCA Standard, prior to Type 2 Coil Cleaning, the condensate pan and drain should be:

  1. plugged to prevent leakage.
  2. verified for proper drainage.
  3. HEPA vacuumed.
  4. compressed air washed.

Question 24

If a condensate pan is full of water, what should the ASCS check FIRST?

  1. Coil leakage
  2. Pan slope
  3. Plenum pressure
  4. Drain line

Question 25

Which component can be found in a fan coil unit?

  1. Condensate pan
  2. Humidifier
  3. Turning vane
  4. Diffuser