Temperature of molten pig iron (1450C) and molten slag (1500C) flowing out of a blast furnace is measured by a/an_______________?

A. Optical pyrometer

B. Chromel-alumel thermocouple

C. Either B. or C.

D. Radiation pyrometer

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.