Remelting of pig iron with limestone and coke to manufacture cast iron is carried out in a ____________
(a) Flask
(b) Blast furnace
(c) Cupola furnace
(d) Ball mill
I have been asked this question in an interview.
The origin of the question is Ferrous Metals in section Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials