Man's physical universe

xanabras

286 PHYSICAL LIMITATIONS HAVE BEEN OVERCOME

18. Why is there a possibility of condensation of moisture between the walls of

air-conditioned houses?

19. Why would it be necessary to decrease the humidity in the air if it were fairly

high when using radiant cooling-panels?

20. Why is it possible to obtain five times as much heat from electricity by using

it to operate a compressor, rather than by using it in a direct-heating device?

Is any heat wasted in an electrical heating device?

21. Discuss the various methods of removing dirt from the air.

22. If you were allergic to pollens, what method of removing pollens from the air

would you select, and why?

More magazines by this user
Similar magazines