Question

Look at the images given below and spectulate the way of haet transfer.

Answer 1

Answer:

In the first case the heat transfer is through conduction by the steel knife from the flames of the candles.

The second case is the case of hot air balloon the heat transfer is from gasoline to fire by oxygen as its supplier and air as the medium of conduction.

The third figure is about evaporation and condensation which occurs by the process of transfer of heat from ground to the atmosphere.

Ironing is the process buy which electrical energy is transferred into heat energy and used in drying clothes.

Steam is the form of gas which is evolved when water is heated above boiling temperature.