NADCA NADCA-ASCS Online Practice Questions and Exam Preparation

NADCA NADCA-ASCS Online Questions & Answers

• Question 71:

  Which two factors should be considered to determine the type of air washing equipment to be used?

  A. Source of power and consumption.
  B. Type of debris and surface material.
  C. Type of tool and pressure requirement.
  D. Source of air and cubic feet per minute (CFM) output.
  B. Type of debris and surface material.

• Question 72:

  The term Building Related Illness (BRI) refers to:

  A. Sick Building Syndrome (SBS).
  B. allergic reactions to dust.
  C. medically recognized diseases or disorders.
  D. interior mold contamination.
  C. medically recognized diseases or disorders.

• Question 73:

  A permit-required confined space requires A. an approved plan

  B. scheduled breaks every 30 minutes
  C. drink water every hour
  D. shall carry a fire extinguisher
  A

• Question 74:

  An ASCS finds leaks in the supply ductwork of a residential HVAC system that is located in an attic. This will MOST likely cause:

  A. positive pressurization of the occupied space.
  B. balanced pressurization of the occupied space.
  C. negative pressurization of the occupied space.
  D. cleaner air for the occupied space.
  C. negative pressurization of the occupied space.

• Question 75:

  Regarding the disposal of debris from the HVAC system, which of the following is an important detail to be addressed?

  A. Debris should be disposed of in the client's on-site dumpster.
  B. If the debris is not hazardous material it is not a concern.
  C. Disposal should be contracted with an outside source and is not the responsibility of the contractor.
  D. The responsibility of disposal should be outlined in the contract between the client and contractor.
  D. The responsibility of disposal should be outlined in the contract between the client and contractor.

• Question 76:

  Which of the following standards BEST addresses the topic of accessing internally-lined ductwork for cleaning and inspection?

  A. NFPA 90A
  B. IICRC S520
  C. NAIMA AH122
  D. IICRC S500
  B. IICRC S520

• Question 77:

  The MOST common control release mechanism for fire dampers is:

  A. fusible links.
  B. pneumatic controls.
  C. electromagnetic controls.
  D. pulling the building fire alarm device.
  A. fusible links.

• Question 78:

  An ASCS encounters friable internal fibrous glass duct liner; replacement is not an option. The BEST recommendation to the client is to:

  A. add external fibrous glass insulation to the duct exterior.
  B. apply an antimicrobial to the duct interior.
  C. apply a surface repair coating to the duct interior.
  D. add an internal layer of fibrous glass duct liner.
  C. apply a surface repair coating to the duct interior.

• Question 79:

  Which of the following is NOT an element of a Safety Data Sheet/Material Safety Data Sheet (SDS/MSDS)?

  A. Exposure limits
  B. Emergency and first aid procedures
  C. Lockout/Tagout devices
  D. Precautionary measures
  C. Lockout/Tagout devices

• Question 80:

  Toxicity is defined as the:

  A. amount of contaminants inside an HVAC system.
  B. adverse effects resulting from exposure to a material.
  C. amount of mold found on the condensing coil.
  D. amount of contaminants as a result of “Dirty Sock Syndrome”.
  B. adverse effects resulting from exposure to a material.