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Figure 13–29 shows a diagram of a simple bimetallic thermostat used to control a furnace
Chapter 13, Problem 8Q(choose chapter or problem)
Figure 13–27 shows a diagram of a simple bimetallic thermostat used to control a furnace (or other heating or cooling system). The electric switch (attached to the bimetallic strip) is a glass vessel containing liquid mercury that conducts electricity when it touches both contact wires. Explain how this device controls the furnace and how it can be set at different temperatures.
Questions & Answers
QUESTION:
Figure 13–27 shows a diagram of a simple bimetallic thermostat used to control a furnace (or other heating or cooling system). The electric switch (attached to the bimetallic strip) is a glass vessel containing liquid mercury that conducts electricity when it touches both contact wires. Explain how this device controls the furnace and how it can be set at different temperatures.
ANSWER:
Solution 8Q
Step 1 of 4:
A thermostat is a device used to control the temperature of the furnace automatically. It is working on the principle that a metal can be expanded or compressed at different temperatures. Here we are using a bimetallic strip to provide the necessary expansion and compression.