_ Accurate temperature measurement performance of a radiation pyromete – McqOptions

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1.	_ Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the$?
A.	Enhancement or attentuation of redia-tion occurs in the sighting path
B.	Object and surrounding are at almost the same temperature
C.	Object has varying emissivity
D.	Object is transparent
Answer» C. Object has varying emissivity

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