Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 2 (Q.No. 30)

Process Control and Instrumentation

30.

Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the

enhancement or attentuation of redia-tion occurs in the sighting path.

object and surrounding are at almost the same temperature.

object has varying emissivity.

object is transparent.

Answer: Option

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