NADCA NADCA-ASCS Online Practice Questions and Exam Preparation

NADCA NADCA-ASCS Online Questions & Answers

• Question 81:

  Which of the following is an example of Personal Protective Equipment (PPE)?

  A. HEPA vacuum
  B. Surge protector
  C. Ear plugs
  D. GFCI
  C. Ear plugs

• Question 82:

  What is used to prevent dry air in an occupied space during the heating season?

  A. Dehumidifier
  B. Economizer
  C. Humidifier
  D. Air exchanger
  C. Humidifier

• Question 83:

  An ASCS is cleaning an exhaust system that has a fan located adjacent to an outside air intake. Which of the following is a potential source of cross-contamination?

  A. Thermal drift
  B. Stratification
  C. Capture of exhaust air
  D. Negative pressure in the exhaust duct
  C. Capture of exhaust air

• Question 84:

  There are several methods to clean an HVAC system. What is the PRIMARY objective of cleaning as described in ACR, The NADCA Standard?

  A. Looks cleaner
  B. Source removal
  C. Smells better
  D. Lowers fan noise
  B. Source removal

• Question 85:

  During an HVAC system cleaning project, an ASCS encounters vents that have been painted over. What is the usual course of action?

  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.
  D. Inform the owner that a razor knife will be used to cut the paint before continuing with cleaning.

• Question 86:

  Steam cleaning is considered:

  A. wet-process cleaning.
  B. Type 1 cleaning.
  C. brush-process cleaning.
  D. pneumatic whip cleaning.
  A. wet-process cleaning.

• Question 87:

  Access openings in ductwork should

  A. be installed in the bottom.
  B. not restrict airflow.
  C. be installed on the side.
  D. not be sealed airtight.
  B. not restrict airflow.

• Question 88:

  According to ACR, The NADCA Standard, environmental engineering controls are used to protect the:

  A. HVAC blower motor from excess debris.
  B. ASCS from the uncontrolled release of energy.
  C. outdoor environment during cleaning.
  D. workers and building occupants.
  D. workers and building occupants.

• Question 89:

  Mycotoxins are produced by:

  A. mold.
  B. bacteria
  C. viruses.
  D. algae.
  A. mold.

• Question 90:

  According to ACR, The NADCA Standard, mold remediation should be conducted in accordance with which standard?

  A. IICRC S500
  B. IICRC S520
  C. ASHRAE S180
  D. NAIMA AH122
  B. IICRC S520