Generally for the melting of cast iron, electric furnaces are not used because
A)cast iron is in the form of broken pieces
B)It is expensive to use electricity for melting of cast iron
C)the rate of heating required for melting cast iron connot be provided by electric furnaces
D)cast iron requires higher temperature for heating

Question

Quizplus · Accepted Answer

Electric furnaces are generally not used for melting cast iron primarily because it is more expensive to use electricity for this purpose compared to other fuels like coke in a cupola furnace. Electric furnaces can indeed provide the necessary temperatures and heating rates for melting cast iron, but the cost efficiency is a significant factor.

Generally for the Melting of Cast Iron, Electric Furnaces Are