Lynde, Carleton John, b. 1872 · New York : Macmillan · leaf 129
thatthe pipe extends through theroof and is open at the top.The ventilation is produced byconvection as follows : The airin the pipe is warmer than theair outside the house, thereforethe air in the pipe is lighter,volume for volume, than theair outside. Thus the cold airsinks down into thefresh-air… … Fig. 82. — The soil pipe and its ventilation. EXERCISES 1. Describe how heat moves by conduction. 2. Describe an experiment to show that liquids are poor conductorsof heat. 3. Describe how heat moves by convection. 4. Name some household appliances in which heat moves by con-vection. 5. Describe…
Physics · Home Economics
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
