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The double walls are required to contain a vacuum which prevents the transfer of heat, so the contents of the flask remain hot (or cold) for longer.

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Why do refrigerators have double walls?

Refrigerators have double walls to provide insulation, which helps maintain a consistent temperature inside the fridge. The insulation reduces the amount of heat transfer between the inside and outside of the refrigerator, making it more energy efficient and helping to keep food cold.


Why does the design of the vacuum flask minimize heat transfer by conduction?

The design of the vacuum flask minimizes heat transfer by conduction because it has a double-walled structure with a vacuum between the walls. This vacuum acts as an insulator, preventing heat from transferring through conduction between the inner and outer walls of the flask.


How can the structure of the vacuum flask minimise energy transfer by conduction convection and radiation?

The structure of a vacuum flask minimizes energy transfer by conduction, convection, and radiation by having a double-walled design with a vacuum layer between the walls. This vacuum layer acts as an insulator, reducing heat transfer through conduction and convection. Additionally, the reflective surface on the inner wall minimizes radiation heat transfer.


Do sound waves travel through walls?

Yes, sound waves can travel through walls, but their ability to do so depends on the thickness and material of the wall. Thinner walls or walls made of materials like wood may allow more sound to pass through compared to thicker walls or walls made of denser materials like concrete.


What does the inside of a thermos flask look like?

The inside of a thermos flask usually consists of a double-walled vessel with a vacuum or insulating material between the walls. This design helps to minimize heat transfer, keeping liquids hot or cold for an extended period of time. The interior walls are typically made of stainless steel or glass for durability and ease of cleaning.

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Why glasses with double walls reduce the amount of water droplets condensing on the outside of the glass when ice water is placed inside the glass?

The dead air space between the double walls acts as insulation preventing the cold water from causing condensation.


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To make soundproof walls in your home, you can add insulation materials like acoustic foam or mass-loaded vinyl to the walls. You can also install double layers of drywall with a damping compound in between. Additionally, sealing any gaps or cracks in the walls can help reduce sound transmission.


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What are some examples of energy efficiency could be increased in buildings?

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Difference between load bearing and non-load bearing walls?

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What is chris Jericho's finisher called?

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