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SSC JE 2017: Electrical Materials Rankers Quiz 1

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Question 1

Which among the following corrosion type involves Ti or Nb?

Question 2

Necessary condition for photo-electric emission is:

Question 3

Which one of the following exhibits the most well defined X-ray diffraction pattern?

Question 4

In a crystal lattice, what are the vacancies created by the absence of certain atoms known as?

Question 5

Which of these ceramic materials have relative permittivity between 3 to 6 ?

Question 6

Which one of the following materials is not a piezoelectric material?

Question 7

At what temperatures domains lose their ferromagnetic properties?

Question 8

Which mat erial is used for making permanent magnet?

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Jun 10ESE & GATE EE