Draw a labelled diagram of a thermo flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.
![Dewar or vacuum flask fully diagram isolated on white.Cross section cut away view of a thermos vacuum flask.Diagram showing vacuum flask layers.Vector Stock Vector Image & Art - Alamy Dewar or vacuum flask fully diagram isolated on white.Cross section cut away view of a thermos vacuum flask.Diagram showing vacuum flask layers.Vector Stock Vector Image & Art - Alamy](https://c8.alamy.com/comp/2F6NAGN/dewar-or-vacuum-flask-fully-diagram-isolated-on-whitecross-section-cut-away-view-of-a-thermos-vacuum-flaskdiagram-showing-vacuum-flask-layersvector-2F6NAGN.jpg)
Dewar or vacuum flask fully diagram isolated on white.Cross section cut away view of a thermos vacuum flask.Diagram showing vacuum flask layers.Vector Stock Vector Image & Art - Alamy
![Cross Section Flask Stock Illustrations – 10 Cross Section Flask Stock Illustrations, Vectors & Clipart - Dreamstime Cross Section Flask Stock Illustrations – 10 Cross Section Flask Stock Illustrations, Vectors & Clipart - Dreamstime](https://thumbs.dreamstime.com/z/vacuum-flask-thermo-fully-diagram-vector-illustration-cross-section-cut-away-view-thermos-showing-layers-dewar-264045677.jpg)
Cross Section Flask Stock Illustrations – 10 Cross Section Flask Stock Illustrations, Vectors & Clipart - Dreamstime
![Cross Section Flask Stock Illustrations – 10 Cross Section Flask Stock Illustrations, Vectors & Clipart - Dreamstime Cross Section Flask Stock Illustrations – 10 Cross Section Flask Stock Illustrations, Vectors & Clipart - Dreamstime](https://thumbs.dreamstime.com/z/vacuum-flask-thermo-fully-diagram-vector-illustration-cross-section-cut-away-view-thermos-showing-layers-dewar-263741635.jpg)
Cross Section Flask Stock Illustrations – 10 Cross Section Flask Stock Illustrations, Vectors & Clipart - Dreamstime
![6 A cross-sectional view of a Dewar flask, which is used to store hot... | Download Scientific Diagram 6 A cross-sectional view of a Dewar flask, which is used to store hot... | Download Scientific Diagram](https://www.researchgate.net/publication/337745105/figure/fig16/AS:832485541826577@1575491428764/A-cross-sectional-view-of-a-Dewar-flask-which-is-used-to-store-hot-or-cold-substances.jpg)
6 A cross-sectional view of a Dewar flask, which is used to store hot... | Download Scientific Diagram
![My friend mad a cross section of his hydro flask after the vacuum seal leaked. : r/mildlyinteresting My friend mad a cross section of his hydro flask after the vacuum seal leaked. : r/mildlyinteresting](https://i.redd.it/kyz08416ycgz.jpg)
My friend mad a cross section of his hydro flask after the vacuum seal leaked. : r/mildlyinteresting
![Vecteur Stock Dewar or vacuum flask fully diagram isolated on white background. Cross section cut away view of a thermos vacuum flask. Diagram showing vacuum flask layers. Dewar flask or thermos. Stock Vecteur Stock Dewar or vacuum flask fully diagram isolated on white background. Cross section cut away view of a thermos vacuum flask. Diagram showing vacuum flask layers. Dewar flask or thermos. Stock](https://as1.ftcdn.net/v2/jpg/03/18/27/26/500_F_318272641_XDD84AxeD90hCWjPQhBxafXDsW9HGkbd.jpg)
Vecteur Stock Dewar or vacuum flask fully diagram isolated on white background. Cross section cut away view of a thermos vacuum flask. Diagram showing vacuum flask layers. Dewar flask or thermos. Stock
![Photograph and cross sectional view of the NINA H.V6 prototype heater... | Download Scientific Diagram Photograph and cross sectional view of the NINA H.V6 prototype heater... | Download Scientific Diagram](https://www.researchgate.net/publication/271600438/figure/fig1/AS:282629065723913@1444395428061/Photograph-and-cross-sectional-view-of-the-NINA-HV6-prototype-heater-device-The.png)