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Home NADCA ASCS

NADCA ASCS Exam Practice Questions (P. 1)

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Question #1
According to ACR, The NADCA Standard, properly performed HVAC system cleaning services should:
  1. A
    eliminate all contamination.
  2. B
    restore the internal insulation to an “as new” condition.
  3. C
    restore the evaporator coil to its original pressure drop.
  4. D
    render the system visibly clean.

Correct Answer:
C

Question #2
Which of the following creates the greatest restriction of airflow?
  1. A
    A dirty fan motor
  2. B
    A dirty plenum
  3. C
    A dirty coil
  4. D
    A dirty return duct

Correct Answer:
C

Question #3
Having a regular HVAC filter replacement plan can help:
  1. A
    protect the system components.
  2. B
    double the system’ airflow.
  3. C
    humidify the airflow.
  4. D
    sanitize the system components.

Correct Answer:
A

Question #4
According to ACR, The NADCA Standard, proper cleaning and maintenance of an HVAC system:
  1. A
    eliminates odors.
  2. B
    adds to the life expectancy of a system.
  3. C
    reduces noise pollution.
  4. D
    adds to the value of the HVAC system.

Correct Answer:
B

Question #5
During a commercial site survey, an ASCS should do which of the following to determine client expectations?
  1. A
    Interview the client’s employees
  2. B
    Ask the client a series of specific questions prior to inspection
  3. C
    Perform the inspection without interaction with the client
  4. D
    Consult an Indoor Environmental Professional (IEP) to determine IAQ

Correct Answer:
B

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