Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.
A. antimony
B. gold
C. silver
D. nickel
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Answer: B
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Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.
A. antimony
B. gold
C. silver
D. nickel
Answer: B
Share your understanding of this question with the correct explanation.