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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Q. For an isentropic material, the stress-strain relationship is known as _________

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Q. Viscoelasticity exhibits which of the following properties?

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Q. Which method is used for measuring the viscoelastic behavior of materials?

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Q. The elastic component of viscoelastic material is modeled as _________

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Q. A series connection between a Hookean spring and a Newtonian dashpot results is ________ model.

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Q. Cryogenics deal with temperatures around _________

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Q. What is the boiling point of nitrogen?

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Q. Liquid oxygen is produced by ____________ method.

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Q. What is the appearance of liquid nitrogen?

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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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