HVAC Module 1 Verified Answers
1. What is the primary medium used for heat transfer in a hydronic heating system? - Answer: Water.
2. What method is utilized to control the growth of bacteria in HVAC systems? - Answer: Ultraviolet light.
3. Besides its role in the mechanical refrigeration...
1. What is the primary medium used for heat transfer in a hydronic heating system?
- Answer: Water.
2. What method is utilized to control the growth of bacteria in HVAC systems?
- Answer: Ultraviolet light.
3. Besides its role in the mechanical refrigeration cycle, what additional function does the evaporator
serve?
- Answer: It transfers heat from the indoor air to the refrigerant.
4. In which type of systems is a defrost cycle necessary?
- Answer: Refrigeration systems.
5. What can be produced when certain refrigerants are exposed to a flame?
- Answer: Phosgene gas.
6. What is mastic used for in HVAC applications?
- Answer: To seal ductwork.
7. What type of company specializes in the installation and repair of air conditioning systems?
- Answer: A mechanical contractor.
8. Who is typically responsible for issuing building permits?
- Answer: Local government.
9. What does keeping your employer's interests in mind reflect?
- Answer: Loyalty.
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