Free ASCS Exam Braindumps
Air Systems Cleaning Specialist Questions 41–45 (page: 10)

Updated On: 10-Feb-2026

A commercial Air Handling Unit (AHU) generally consists of:

  1. supply fan, coil, filters, and outlet and inlet dampers.
  2. exhaust fan, coil, filters, and outlet and inlet dampers.
  3. supply fan, coil filters, and humidifier.
  4. exhaust fan, coil, filters, and humidifier.

Answer(s): C



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:

  1. condition of the ceiling tiles.
  2. condition of the internal duct insulation.
  3. condition of the external insulation on the return.
  4. closed cell foam insulation covering the AC line set.

Answer(s): B



The PRIMARY purpose of HVAC systems is to:

  1. heat and humidify air.
  2. remove contaminants from the air.
  3. condition air by filtering, heating, and cooling.
  4. provide fresh air to the occupants.

Answer(s): C



Which tool is used to visually inspect HVAC systems?

  1. Hygrometer
  2. Borescope
  3. Manometer
  4. Microscope

Answer(s): B



During routine inspections where no local problem is discovered, an inspector shall inspect at least:

  1. 5% of similar systems.
  2. 10% of similar systems.
  3. 15% of similar systems.
  4. 20% of similar systems.

Answer(s): C



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