Q. How much carbon does pig iron contain?

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Q. Why is sulfur in pig iron kept low?

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Q. How much manganese does ferromanganese contain?

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Q. The smelting zone of the furnace is called as _________

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Q. Which is the iron ore processed in blast furnaces?

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Q. _____________ is a flux used in iron smelting.

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Q. What is the disadvantage of wet analysis?

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Q. Which spectrometer allows analysis of carbon and sulfur?

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Q. A ___________ is used to measure the blackness of lines in a spectrograph.

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Q. For a concentration of about 0.0001 to 2%, which method of analysis is used?

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Q. Visual inspection may be done for which of the following activities?

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Q. How can porosity of material be inspected?

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Q. What is used as the source of rays for radiography?

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Q. The x-ray film showing light and dark areas is known as _________

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Q. Which of the following holds true for gamma-ray radiography as compared to x-ray radiography?

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Q. Which pattern is demonstrated in the following figure?

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Q. What kind of allowance is seen in this figure?

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