What is the amount of silica used in a slag?(a) 20% to 30%(b) 30% to 40%(c) 40% to 50%(d) 50% to 60%The question was asked during an interview.My question is based upon Zones and Efficiency of Cupola topic in portion Metal Furnace and Practice of Casting-Forming-Welding II

What is the amount of silica used in a slag?(a) 20% to 30%(b) 30% to 4

1.	What is the amount of silica used in a slag?(a) 20% to 30%(b) 30% to 40%(c) 40% to 50%(d) 50% to 60%The question was asked during an interview.My question is based upon Zones and Efficiency of Cupola topic in portion Metal Furnace and Practice of Casting-Forming-Welding II
Answer» Right choice is (c) 40% to 50% To ELABORATE: Slag is KNOWN to be acidic in NATURE and it is found to have some amount of silica content in TERMS of percentage composition of about 40% to 50%.

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What is the amount of silica used in a slag?(a) 20% to 30%(b) 30% to 40%(c) 40% to 50%(d) 50% to 60%The question was asked during an interview.My question is based upon Zones and Efficiency of Cupola topic in portion Metal Furnace and Practice of Casting-Forming-Welding II

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