NADCA NADCA-ASCS Online Practice Questions and Exam Preparation

NADCA NADCA-ASCS Online Questions & Answers

• Question 91:

  When cutting into fibrous glass duct board, which hand tool is MOST effective?

  A. Jigsaw
  B. Snips
  C. Nibbler
  D. Straight knife
  D. Straight knife

• Question 92:

  An ASCS is asked for an opinion of a well-known competitor. The ASCS should:

  A. behave as if they have never heard of the other company.
  B. tell the client the company performs poor air duct cleaning services.
  C. decline to answer the questions due to a conflict of interest.
  D. recommend the other company clean the ductwork.
  C. decline to answer the questions due to a conflict of interest.

• Question 93:

  Vacuum collection equipment shall be cleaned and inspected:

  A. at least every three months.
  B. at least every six months.
  C. after the equipment is removed from the job site.
  D. before the equipment is brought onto the job site.
  D. before the equipment is brought onto the job site.

• Question 94:

  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
  C. minimize employee and occupant exposure.

• Question 95:

  Which pneumatic tool is often used to move debris into collection equipment?

  A. Whip
  B. Nibbler
  C. Shear
  D. Grinder
  A. Whip

• Question 96:

  Mold growth in an HVAC system:

  A. will make all occupants ill.
  B. is acceptable if limited to the return ductwork.
  C. is acceptable if limited to the air handler.
  D. can make some occupants ill.
  D. can make some occupants ill.

• Question 97:

  National Fire Protection Association (NFPA) 90A - 02, Standard for the Installation of Air-Conditioning and Ventilating Systems, makes which of the following statements regarding cleaning?

  A. Cleaning should be undertaken yearly
  B. Cleaning should never be undertaken
  C. Cleaning should be undertaken once every five years or sooner
  D. Cleaning should be undertaken whenever an inspection indicates the need
  A. Cleaning should be undertaken yearly

• Question 98:

  Which ceiling type is easiest to remove for ductwork access?

  A. Tin
  B. Suspended
  C. Spline
  D. Sheet Rock
  B. Suspended

• Question 99:

  During a commercial site survey, an ASCS should do which of the following to determine client expectations?

  A. Interview the client's employees
  B. Ask the client a series of specific questions prior to inspection
  C. Perform the inspection without interaction with the client
  D. Consult an Indoor Environmental Professional (IEP) to determine IAQ
  B. Ask the client a series of specific questions prior to inspection

• Question 100:

  Significant contaminant build-up in ductwork is MOST likely found in areas affected by:

  A. heat loss.
  B. pressure drops.
  C. temperature differences.
  D. pressure increases.
  B. pressure drops.