Q. How can cryogenic temperatures lower than 30,000K be measured?

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Q. Cold working is generally carried out __________

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Q. How does hot working affect grain structure?

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Q. Which of the following is an application of hot working?

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Q. Which of the following is a drawback of cold working?

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Q. Which of the following is a hot working process?

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Q. What is the hot rolling temperature of mild steel?

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Q. Cold forging is done for _________

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Q. Which of the following is a characteristic of hot rolling?

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Q. __________ involves hammering of heated bars inside closed impression dies.

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Q. Which of the following is a chipless machining method?

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Q. Wrinkling is caused due to _______

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Q. Which of the following is not a stage of volume shrinkage?

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Q. Seed crystals are formed due to _________ of melt.

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Q. Crystal growth occurs in __________ manner.

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Q. Which of the following holds true for pure metals?

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Q. Pure metals generally solidify at _________ temperature.

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Q. The beginning of a new phase transformation is known as ________

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Q. In nucleation, particles having radius less than rc are known as _______

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Q. In the homogeneous nucleation, nucleation rate is maximum __________

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