Question

To expel hot air out of the kitchen, 'A' has an exhaust fan fitted on the windows of her kitchen and 'B' has a similar exhaust fan fitted on the wall near the ceiling of her kitchen. Which of the exhaust fan will expel the hot air more effectively ? Explain why?​

Answer 1

Answer:

B. The fan near the ceiling.

Explanation:

Bcoz the hot aor has less density and hence the more hot air is above.