NADCA ASCS - Air Systems Cleaning Specialist Exam
Page: 1 / 30
Total 148 questions
Question #1 (Topic: Exam A)
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.
Answer: C
Question #2 (Topic: Exam A)
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
Answer: C
Question #3 (Topic: Exam A)
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.
Answer: A
Question #4 (Topic: Exam A)
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.
Answer: B
Question #5 (Topic: Exam A)
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
Answer: B
