Shown here is a device that can be used to turn a furnace on or off, depending o

ID: 2252021 • Letter: S

Question

Shown here is a device that can be used to turn a furnace on or off, depending on the temperature sensed by the device.

In the figure, the principle underlying the operation of this device is that

A) different metals have different heat capacities.

B) different metals have different thermal expansion coefficients.

C) heat always flows from hot to cold, never from cold to hot.

D) different metals have different latent heats.

E) different metals have different thermal conductivities.

Shown here is a device that can be used to turn a furnace on or off, depending on the temperature sensed by the device. In the figure, the principle underlying the operation of this device is that different metals have different heat capacities. different metals have different thermal expansion coefficients. heat always flows from hot to cold, never from cold to hot. different metals have different latent heats. different metals have different thermal conductivities.

Explanation / Answer

Assuming that you mean a bimetal spring then the answer is B

If a thermal fuse, A or E depending on the construction.

If a thermocouple, E

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Shown here is a device that can be used to turn a furnace on or off, depending o

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