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Chapter 3 CUPOLA OPERATION MCQs

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1. . For melting of cast iron, which of the following furnace is used?





2. . Why is sand bed prepared for melting of metal in Cupola furnace?





3. . What is the function of slag hole in a cupola furnace?





4. . Incoming air pressure and quantity in cupola furnace are controlled by which of the following element?





5. . Which of the following chemical compound is the most common flux added to the charge in a cupola furnace?





6. . Electric arc furnaces are most suitable for which of the following type of material?





7. . There is no direct contact of flame and metal in which of the following type of furnace?





8. . What is hearth in a furnace?





9. . Why are flux added to the charge (parent metal to be melted) during melting of a metal?





10. . Gas-Fired burner is used in which of the following furnace?





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