1.

Which material is used for making the roof of an acid lined furnace?(a) Silica(b) Dolomite(c) Magnesite(d) Carbon tetrachlorideI have been asked this question during a job interview.The question is from Direct Arc Furnace in section Metal Furnace and Practice of Casting-Forming-Welding II

Answer»

The correct option is (a) Silica

For explanation: A very heavy steel shell is EQUIPPED in making the roof, with the HELP of refractory bricks. To this, silica is added when the FURNACE is acid lined.



Discussion

No Comment Found

Related InterviewSolutions