If it is desired to determine the average...

Question 1 / 205eccefa5bacbc34ba4d48724

Question 1 of 205eccefa5bacbc34ba4d48724

If it is desired to determine the average temperature across a large duct, what thermocouple wiring technique can be used to generate an emf proportional to the average temperature?

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Question 1 of 20

5eccefa5bacbc34ba4d48724

If it is desired to determine the average temperature across a large duct, what thermocouple wiring technique can be used to generate an emf proportional to the average temperature?

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🔍 Key Concepts

• Thermocouple output behavior when multiple junctions are at different temperatures • Difference between series-aiding, series-opposing, and parallel connections for thermocouples • How to get an output proportional to an average rather than to just one point

💭 Think About

• Ask what happens to the total emf if you place several thermocouples in line so that each one’s voltage adds to the next versus subtracts from it • Consider whether connecting thermocouples in parallel changes voltage or current, and which quantity you actually measure in a thermocouple circuit • Think about how you could arrange multiple junctions so that the net voltage reflects the combined (averaged) temperature of all measured points

✅ Before You Answer

• Verify which wiring method makes the individual emf contributions add together rather than cancel or stay the same • Check whether dividing by the number of thermocouples is a real electrical effect or just a way of thinking about the result • Eliminate any option where the wiring would cause cancellation of voltages instead of reinforcement across the duct

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Question 1 of 20

If it is desired to determine the average temperature across a large duct, what thermocouple wiring technique can be used to generate an emf proportional to the average temperature?

Multiple thermocouples can be used if they are wired in parallel, where the sum of the individual voltages is divided by the number of thermocouples.

Multiple thermocouples can be used if they are wired series-opposing, where the sum of the individual voltages is divided by the number of thermocouples.

Multiple thermocouples can be used if they are wired series-aiding, where the sum of the individual voltages is divided by the number of thermocouples.

Only one thermocouple can be used, and the hot junction must be strategically located to get an effective average temperature.

Question 1 / 205eccefa5bacbc34ba4d48724

Question 1 of 205eccefa5bacbc34ba4d48724

If it is desired to determine the average temperature across a large duct, what thermocouple wiring technique can be used to generate an emf proportional to the average temperature?

Back

Question 1 of 20

5eccefa5bacbc34ba4d48724

If it is desired to determine the average temperature across a large duct, what thermocouple wiring technique can be used to generate an emf proportional to the average temperature?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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— No credit card needed