Questions for Part II

1. What are the essentials in heating a house with a hot-air furnace?

2. How does the "pipeless" furnace differ from the other types?

3. Explain the circulation of water thru a hot-water heating system.

4. What is the purpose of the expansion tank? Where should it be located?

5. Describe a steam-heating system.

6. What care should be taken in managing a steam-heating system?

7. What precautions should be taken when using an electric heater?

PART III

Lighting Devices