1) describe the term Refrigeration effect and describe the necessity and refrigeration.

2) describe the cop, unit and refrigeration.

3) describe the heat pump and refrigeration. Display it in the block diagram.

4) Specify any four applications of the industrial air conditioning.

5) Specify the benefits of multistage compression.

6) Depict the Carnot refrigeration cycle on the PV and TS diagram.

7) Depict the bell-Coleman cycle on the PV and TS diagram.

8) Describe the concept of greenhouse effect and global warming.

9) describe what is meant by eco-friendly refrigerants? Provide any two exs.

10) Describe the steam jet refrigeration system.

11) Describe what ice refrigeration system is?