1.3. By Cycle Type

Try these first

1. 1.

   What does DX in DX Systems stand for?

   Hint

   Think about the cooling method used.

2. 2.

   What is the function of a Chilled Water AC System?

   Hint

   Consider how it manages larger spaces.

3. 3.

   What is the primary function of Direct Expansion Systems?

   • Heat Air
   • Cool Air
   • Filter Air

   Hint

   Think about the cycle type of these systems.

4. 4.

   Chilled Water AC Systems are best suited for which applications?

   • Small homes
   • Commercial buildings
   • Private offices

   Hint

   Consider the size and cooling needs.

5. 5.

   Design a small office HVAC system. Would you choose a DX or Chilled Water System? Justify your reasoning with data on cooling capacity, energy efficiency, and use case.

   Hint

   Analyze the square footage and cooling needs.

6. 6.

   In a situation where an office building has variable occupancy, how would you utilize psychrometry to optimize comfort? Discuss how temperature and humidity controls would be implemented.

   Hint

   Consider how systems would respond to increased or decreased occupancy.