A pyrometer indicating system such as that...

Question 1 / 205eccefa5bacbc34ba4d48782

Question 1 of 205eccefa5bacbc34ba4d48782

A pyrometer indicating system such as that used for measuring diesel engine exhaust system temperatures uses what technology?

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5eccefa5bacbc34ba4d48782

A pyrometer indicating system such as that used for measuring diesel engine exhaust system temperatures uses what technology?

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🔍 Key Concepts

• Thermocouples vs. Resistance Temperature Detectors (RTDs) – how each generates or uses electrical signals when heated • Self-powered vs. externally powered sensors – which devices need an outside power source to create a readable signal • Typical instruments for exhaust gas temperature indication on diesel engines

💭 Think About

• Think about which device creates a small voltage on its own when two different metals are joined and heated, and which one only changes resistance when powered from an external circuit • Ask yourself: for high-temperature exhaust gas measurements, which sensor type is most commonly used on large diesel engines? • Consider whether a pyrometer needs an external power supply at the sensing junction itself, or only at the indicator/instrument side

✅ Before You Answer

• Recall that RTDs (resistance temperature detectors) work by changing electrical resistance and typically need an external current to measure that change • Recall that thermocouples produce a millivolt signal from temperature difference between two dissimilar metals and are often described as self-generating • Match the idea of a traditional diesel exhaust pyrometer probe to the correct sensor type and whether it’s considered self-powered or externally powered at the sensing element

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Question 1 of 20

A pyrometer indicating system such as that used for measuring diesel engine exhaust system temperatures uses what technology?

externally-powered thermocouples

externally powered resistance temperature detectors

self-powered resistance temperature detectors

self-powered thermocouples

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Question 1 / 205eccefa5bacbc34ba4d48782

Question 1 of 205eccefa5bacbc34ba4d48782

A pyrometer indicating system such as that used for measuring diesel engine exhaust system temperatures uses what technology?

Back

Question 1 of 20

5eccefa5bacbc34ba4d48782

A pyrometer indicating system such as that used for measuring diesel engine exhaust system temperatures uses what technology?

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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