What is the equivalent MERV rating for HEPA filters?
A. MERV 1–4
B. MERV 5–8
C. MERV 9–12
D. MERV 17–20
The PRIMARY role of pipe insulation on chilled water lines is to prevent:
A. head injuries.
B. condensation.
C. freezing.
D. bursting.
A mechanical room is considered part of the HVAC system if the:
A. mechanical room has two or more Air Handling Unit's (AHU).
B. humidifiers are located inside the mechanical room.
C. filters installed in the AHU are rated less than MERV 5.
D. mechanical room is used as a mixing chamber.
To prevent the introduction and distribution of chemicals and other contaminants into the ventilation system, the mechanical room should be:
A. inspected every other month.
B. included in the building's regular housekeeping program.
C. kept clean and should not be used for storage.
D. restricted for entrance except for maintenance personnel.
In a building with an open return plenum, which room is considered part of the HVAC system?
A. Control room
B. Storage room
C. Electrical room
D. Mechanical room
The ASCS has performed air duct cleaning for an owner of a vacant building. A prospective tenant contacts the ASCS directly with questions of the overall system cleanliness and suitability for continued use. The ASCS should:
A. answer all their questions to the best of their ability.
B. refer the prospective tenant to the HVAC contractor who maintains the system.
C. refer the prospective tenant to consult with the building owner.
D. answer questions pertaining to their work only.
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.
Which standard recommends to keep a list of HVAC systems and their location?
A. ANSI/ASHRAE/ACCA 180-2018
B. ACR, The NADCA Standard
C. ANSI/SMACNA 006-2006
D. NAIMA AH124
What is the PRIMARY source for the layout of a building's HVAC systems?
A. Structural plans
B. Mechanical plans
C. Electrical plans
D. Site plans
What kind of ventilation is PRIMARILY used in a painting chamber?
A. Dual duct
B. Multi zone
C. Constant volume
D. Exhaust system
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