For platinum thermocouples, lead wires are made of

Question: Fussain
[A].

is friable, charcoal like substance.

[B].

has highest fixed carbon and lowest volatile matter content of all the four banded components of coal.

[C].

is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.