NADCA ASCS Exam Actual Questions

The questions for ASCS were last updated on Oct. 11, 2024.

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Topic 1 - Exam A

Question #1 Topic 1

According to ACR, The NADCA Standard, properly performed HVAC system cleaning services should:

A. eliminate all contamination.
B. restore the internal insulation to an “as new” condition.
C. restore the evaporator coil to its original pressure drop.
D. render the system visibly clean.

Reveal Solution Discussion 2

Correct Answer: C 🗳️

Question #2 Topic 1

Which of the following creates the greatest restriction of airflow?

A. A dirty fan motor
B. A dirty plenum
C. A dirty coil
D. A dirty return duct

Reveal Solution Discussion

Correct Answer: C 🗳️

Question #3 Topic 1

Having a regular HVAC filter replacement plan can help:

A. protect the system components.
B. double the system’ airflow.
C. humidify the airflow.
D. sanitize the system components.

Reveal Solution Discussion

Correct Answer: A 🗳️

Question #4 Topic 1

According to ACR, The NADCA Standard, proper cleaning and maintenance of an HVAC system:

A. eliminates odors.
B. adds to the life expectancy of a system.
C. reduces noise pollution.
D. adds to the value of the HVAC system.

Reveal Solution Discussion

Correct Answer: B 🗳️