Question

What does a run require in manufacture of graphite?

(a) 15-20 days of heating

(b) 2-4 days of cooling

(c) 1 day to load and unload

(d) 1 day each to load and unload

I had been asked this question in an interview.

I'd like to ask this question from Inorganic Chemical topic in section Inorganic Chemical Industries of Chemical Technology

Answer 1

The correct choice is (d) 1 day each to load and unload

The best explanation: A run requires 2-4 days of heating, 1 day each to load and unload, and 15-20 days for cooling. After every run we must rebuilt the furnace side walls.