The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an _____________ thermocouple?
(A) Chromel-alumel
(B) Iron-constantan
(C) Platinum-platinum/rhodium
(D) None of these
Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *