(a) How are thermocouples manufactured? (b) What are the main differences between base metal and noble metal thermocouples? (c) Give six examples of the materials used to make base metal and noble...

(a) How are thermocouples manufactured? (b) What are the main differences

between base metal and noble metal thermocouples? (c) Give six examples of the

materials used to make base metal and noble metal thermocouples. (d) Specify the

international code letters used to designate the thermocouples made from each pair

of materials that you give in your answer to Part (c).