CHAPTER XII 

 HEATING OUR HOMES 



Problems. i. To see how our homes are warmed. 



2. To find out how heating devices are constructed. 



3. To learn the best way of regulating the fire in the stove 

 or furnace. 



4. To see how heat is used in cooking. 



5. To understand how the hot-water supply system is 

 operated. 



6. To learn how to find the amount of gas consumed. 



Experiments. 



1. To show the principle of hot- water heating. 



2. To show the great amount of heat stored in team. 



3. To show how to produce luminous and non-luminous gas flames. 



Project I. To QUALIFY AS AN EXPERT HEATING DEVICE OPERATOR 



IN MY HOME. 



1. To start fires quickly without use of kerosene. 



2. To control the fire properly: to keep the house evenly heated; 

 to have the oven at the proper temperature at the right time. 



3. To increase the humidity of the air when needed, and to secure 

 ample ventilation. 



4. To adjust the air mixer on gas burners. 



5. To clean out clogged and dirty gas burners. 



6. To prevent needless heat loss from any cause. 



7.. To prevent the existence of fire hazards from any heating 

 device. 



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