Q. How can the ductility of tungsten be improved?

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Q. What is the oxidizing temperature of niobium?

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Q. Which phase represents the matrix of the alloy?

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Q. Which crystal structure is the Gamma Double Prime phase of nickel-based superalloy composed of?

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Q. In which temperature range is Gamma Prime phase of nickel-based superalloys unstable?

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Q. TCP phase of nickel-based superalloys are formed at a temperature of _______

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Q. Which of the following is not an effect of adding boron and silicon to superalloys?

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Q. The thermal coating ‘thermally grown oxide’ is formed by the oxidation of _______

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Q. Which of the following applications does a tungsten-carbide coating provide?

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Q. What is the value of dielectric constant of free space?

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Q. What is the unit of polarization?

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Q. How is the dielectric strength denoted as?

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Q. What is the charge of an electron?

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Q. Which of the following factors are relevant for change in dielectric strength?

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Q. What is the electric polarizability of helium?

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Q. Polarization occurring due to magnetic moment is known as ______

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Q. What is the dielectric strength of mica?

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Q. What is the dielectric constant of Nylon 6, 6 at 60 Hz?

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Q. The electrical response of a crystal is known as _______

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Q. Which type of refractory brick does the following illustration represent?

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