Question

What is the principle used in immersion heaters?

Answer 1

Immersion heaters are used for quick and reliable heat liquids and they are immersed in either from top or through side of a vessel in liquid with pressure tight fitting.  

These heaters available in different configurations, materials and temperature ranges covering varied range of applications in industry, science and various domestic appliances.  

Maximum immersion heaters are comparatively inexpensive to buy and they aren't energy efficient as they employ direct electric heating.

Answer 2

Answer:

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➡️Immersion heaters are used to quickly and reliably heat liquids that they are immersed in either from the top of an open vessel, or through the side of the vessel into the liquid with a liquid and pressure tight fitting.

➡️ Immersion heaters are available in many physical configurations, materials and temperature ranges to cover a wide range of applications in industry, science, utilities, domestic and appliance.

➡️ While most immersion heaters are relatively inexpensive to purchase, they are not particularly energy efficient since they employ a direct electric heating.

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