According to ACR, The NADCA Standard, if when conducting a pre-cleaning inspection the Air Handling Unit (AHU) reveals suspect microbial growth, the ASCS shall:
A. immediately put on a respirator and inform the occupants.
B. stop the inspection and recommend a complete system cleaning.
C. inspect the supply and return ducts as part of the inspection.
D. close up the system to prevent any cross-contamination.
According to ACR, The NADCA Standard, what is the recommended inspection schedule for a residential supply duct?
A. Every 6 months
B. Every year
C. Every 2 years
D. Every 4 years
Transite (asbestos) pipe is often found in which type of HVAC systems?
A. Dual duct system
B. Sub-slab system
C. Constant volume system D. Variable air system
An inspection report should be discussed with:
A. all building occupants.
B. the designated point of contact.
C. key building personnel.
D. occupants affected by the work.
After performing an inspection, the inspection report should be delivered to the:
A. company employees.
B. employees who work in the inspected area.
C. building maintenance personnel.
D. agreed upon persons.
National Fire Protection Association (NFPA) 90A - 02, Standard for the Installation of Air-Conditioning and Ventilating Systems, makes which of the following statements regarding cleaning?
A. Cleaning should be undertaken yearly
B. Cleaning should never be undertaken
C. Cleaning should be undertaken once every five years or sooner
D. Cleaning should be undertaken whenever an inspection indicates the need
What resource is BEST to refer to when determining if all project work has been completed?
A. ACR, The NADCA Standard
B. Scope of work
C. Hazard assessment
D. Inspection report
According to ACR, The NADCA Standard, it is recommended that the work plan include the name and contact information for:
A. the manufacturer of all equipment to be used on the project.
B. contractors and representatives involved in the project.
C. all employees working on the project.
D. past projects conducted by the company.
Which of the following components is MOST likely to contain microbial growth?
A. Condensate drain line and drain pan
B. Blower wheel housing and shaft
C. Interior side walls of the HVAC unit
D. Last set of turning vanes just before the air enters the HVAC unit
Significant contaminant build-up in ductwork is MOST likely found in areas affected by:
A. heat loss.
B. pressure drops.
C. temperature differences.
D. pressure increases.
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