Question

to expel hot air out of the kitchen "A"has an exhaust fan on the window of her kitchen and "B" has a similar exhaust fan fitted on the ceiling of her kitchen which of the exhausts will expel hot air more effectively? explain why?

Answer 1

Answer:

B's exhaust fan will expel more effectively

Explanation:

its because hot air is lighter and rises above

Answer 2

HI,

In kitchen "B" exhaust fan expel hot air more cause hot is lighter than cold air, so it rises up and exhaust fan was set up at ceiling, so more hot will explein this kitchen compare to kitchen "A".