NADCA NADCA Certifications ASCS Questions & Answers

• Question 101:

  The PRIMARY purpose of using a vacuum collection system during cleaning is to

  A. create negative pressure within the building

  B. maintain control of debris within the HVAC system,

  C. create a vacuum in the work area,

  D. maintain positive pressure within the work area

  Correct Answer: B

• Question 102:

  The ASCS notices that the internal insulation located in the plenum is damaged and delaminating. Which of the following is the appropriate course of action?

  A. Clean insulation by contact vacuuming

  B. Remove loose fibers and apply coating

  C. Remove and replace the insulation

  D. Clean insulation and apply coating

  Correct Answer: C

• Question 103:

  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

  Correct Answer: B

• Question 104:

  When applying antimicrobials and cleaning agents, the ASCS MUST

  A. achieve 100% saturation of interior and exterior duct surfaces.

  B. achieve 100% saturation of exterior duct surfaces

  C. minimize employee and occupant exposure.

  D. minimize contamination of non-adhered materials

  Correct Answer: C

• Question 105:

  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.

  Correct Answer: D

• Question 106:

  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

  Correct Answer: A

• Question 107:

  It is necessary for the site safety plan to include

  A. technician's job description.

  B. Safety Data Sheet (SDS)

  C. work order.

  D. C ACR.

  Correct Answer: B

• Question 108:

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

  A. HEPA vacuum

  B. Surge protector

  C. Ear plugs

  D. GFCI

  Correct Answer: C

• Question 109:

  Which of the following materials used in zoning may result in the MOST cross-contamination from the previous day's work?

  A. Plastic

  B. Cardboard

  C. Metal

  D. Foam

  Correct Answer: D

• Question 110:

  An ASCS is inspecting the HEPA filter in a vacuum collection device and notices the aluminum fins are bent. Which of the following should the ASCS inspect next?

  A. The color of the fitter

  B. The odors emanating from the filter

  C. The HEPA filtration media

  D. The gaskets of the vacuum collection device

  Correct Answer: C