Q. The process of increasing strength of a material by changing grain size known as __________

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Q. What is the value of Boltzmann’s constant?

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Q. At what value of the index of strain rate sensitivity does the material behave superplastically?

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Q. What is the slip plane for an FCC crystal?

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Q. How many slip systems are present in a NaCl crystal?

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Q. According to ________ five independent systems are required to maintain the reliability of grain boundaries.

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Q. What is the CRSS value of a copper crystal?

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Q. What is the Hall-Petch constant for Iron?

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Q. Creep occurs at a temperature above ________

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Q. __________ experiences creep at room temperature.

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Q. _______ is known as steady-state creep.

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Q. Which of the following does not affect creep?

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Q. The time required for the occurrence of creep is known as _________

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Q. Which of the following will be rendered useless for prevention of creep?

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Q. MgO and Al₂O₃ can be used at high temperature creep resistance due to _________

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Q. Iron base alloys have melting point around __________

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Q. Strengthening of an iron base, nickel bade, and cobalt base alloys is done by __________

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Q. Why can’t cold working be used for strengthening in case of plastic deformation?

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Q. The ability of a material to return to its original state when an external force is removed is called __________

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Q. The stress-strain curve can be expressed linearly by the use of _________

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