1. Construct a drawing that includes all the components of a basic forced air furnace system and describe in your words the purpose of each component (do not use a drawing from another source, your own drawing)? Additionally , describe the two different drive systems used in blowers in forced air heating systems

2. Construct a drawing that includes all the components of steam heating system and describe in your own words the purpose of each component (do not use a drawing form another source, do your own drawing)? Ensure you examine the function of a safety relief valve?

3. Provide an explanation of what occurs in the two sides of a refrigeration system and include a personally prepared sketch of the same?