GATE IN · 2026 · IN
Question 51: Sensors and Industrial Instrumentation
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Question 51
INMCQ2 marksNeeds review
The emitted radiant energy from a piece of metal was measured using a pyrometer. The temperature was calculated to be 1000 °C, assuming a surface emissivity of 0.8. It was later found that the true surface emissivity was 0.7. The actual temperature of the object is nearest to _____ °C.
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2026IN
GATE IN 2026 · Paper 1
Instrumentation Engineering · Original paper archive
- Section
- Instrumentation Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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