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Basic refractories are costlier than acid refractories.(a) True(b) FalseThe question was posed to me in a national level competition.I'm obligated to ask this question of Direct Arc Furnace topic in chapter Metal Furnace and Practice of Casting-Forming-Welding II

Answer»

The correct answer is (a) True

To elaborate: To be operating in a basic REFRACTORY, it is advantageous as the INFERIOR scrap can be used for the production of good quality STEEL. HENCE, basic REFRACTORIES are costlier than acid refractories.



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