Q. Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

(A) Mercury in glass thermometer
(B) Optical pyrometer
(C) Iron-constantan thermocouple
(D) Alcohol filled thermometer

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✅ Correct Answer: (B) Optical pyrometer

Published by Ram Sharma ⭐ 193.88K Points at 04-Jul-2023 04:03 pm in Process Control And Instrumentation

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