Furnace Device: Answers & Solutions

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In summary, the conversation discusses a diagram showing two lines labelled AB, which are strips of two different metals welded together. These strips bend when the temperature changes and come into contact with something in the upper right of the figure. This is due to the expansion and contraction of the metals, which is determined by the heat from a furnace. The use of two different metals allows for a greater amplification of the small change in length caused by temperature.
  • #1
jimbo71
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Homework Statement


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Homework Equations





The Attempt at a Solution


I do not understand the diagram.
 

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  • #2
The two lines labelled AB are actually strips of two different metals, attached to each other (usally be welding them together, I think)

When the temperature changes, the metal strips curve or bend to the right and touch the thing in the upper right of the figure.
 
  • #3
So, they expand and contract which is determined by the temperature from the heat given off from the furnace. Why are two different metals used?
 
  • #4
They expand different amounts with temperature and so bend - the bending amplifies the very small change in length.
 
Last edited:

1. What is a furnace device?

A furnace device is a heating appliance that is used to produce high temperatures for various purposes such as melting metals, heating homes, or powering industrial processes.

2. How does a furnace device work?

A furnace device typically works by burning fuel, such as gas or oil, to generate heat. The heat is then transferred to the surrounding air or water, which is then circulated to heat a space or power a process.

3. What are the different types of furnace devices?

There are several types of furnace devices, including gas, oil, and electric furnaces. There are also different designs such as forced-air furnaces, which use ducts and vents to distribute heat, and radiant furnaces, which heat objects directly.

4. How do I maintain my furnace device?

To maintain your furnace device, it is important to regularly clean or replace air filters, check and clean the burner and heat exchanger, and schedule professional maintenance at least once a year. It is also important to follow the manufacturer's instructions for proper use and maintenance.

5. What are some common issues with furnace devices?

Some common issues with furnace devices include clogged air filters, malfunctioning thermostats, dirty burners or heat exchangers, and faulty ignition systems. It is important to address these issues promptly to ensure the safe and efficient operation of the furnace.

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