Q. Decomposition of cementite to form ferrite and graphite is known as _______

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Q. Which of these are applications of grey cast iron?

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Q. Which of the following cast irons cannot be machined?

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Q. How are malleable cast irons designated for different grades?

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Q. What is the effect of Nickel on cast irons?

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Q. What is the defining property of Wrought Irons?

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Q. What is the melting point of pure aluminum?

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Q. What is the tensile strength of aluminum?

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Q. Compared to copper, how is the electrical conductivity of aluminum?

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Q. _______ is coated onto aluminum to improve its soldering ability.

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Q. Which aluminum alloy is known as aircraft aluminum?

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Q. Which of the following is not a classification of aluminum alloys?

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Q. Which of these is not a property of duralumin?

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Q. Which among the following is an example of a non heat-treatable alloy?

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Q. Artificial aging process takes place at a temperature range of ________

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Q. What happens when the maximum strength is achieved by the aging process?

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Q. Which of these is not a stage in precipitation hardening treatment?

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Q. How much copper is present in Y-alloys?

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Q. What is the melting point of zinc?

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Q. With the addition of which element, does zinc create resistance to creep?

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