Air Systems Cleaning Specialist (ASCS) Free Practice Exam Questions

20 real Air Systems Cleaning Specialist (ASCS) exam questions with answers and AI explanations. NADCA certification prep — page 1 of 2.

1. Question 1: Unless otherwise specified, the goal of HVAC system cleaning is to restore the system to what minimum level of cleanliness?
2. Question 2: According to ACR, The NADCA Standard, mold remediation should be conducted in accordance with which standard?
3. Question 3: Which color is the HEPA cartridge for a respirator?
4. Question 4: A magenta, or purple, color code on a respirator cartridge indicates which of the following types of filters?
5. Question 5: Which component can be found in a fan coil unit?
6. Question 6: Service openings shall NOT be made in what type of duct?
7. Question 7: A balometer (flow hood) is MOST frequently used by which of the following trade persons?
8. Question 8: During cleaning, vacuum collection equipment shall be used
9. Question 9: According to ACR, The NADCA Standard, Cleaning of coils with steam is described as:
10. Question 10: When finishing up the air duct cleaning project, what is one of the final steps the ASCS should perform prior to leaving the client's property?