Project ForgeHeat Transfer
Convection
GATE 2020
Easy
Leidenfrost phenomenon refers to
- Athe condensation of vapour on a cold surface
- Bthe exchange of heat between two solids
- Cthe melting of frost
- film boiling and evaporation of liquid droplets falling on a very hot surface
Explanation
The Leidenfrost effect occurs when a liquid droplet on a surface much hotter than its boiling point is insulated by its own vapor film, causing film boiling and slow evaporation.
Source: GATE CH 2020 (2020)
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