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19.SSC JE (ME)II Material Science Booster Quiz-1

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Question 1

__________ is obtained by isothermal hardening operation.

Question 2

In case carburizing, carbon is introduced to form high carbon layer at the surface. The carbon is introduced in the form of

Question 3

In a temperature-time diagram (TTT diagram), the time scale is _____.

Question 4

Steel which destroys by burning is called __________.

Question 5

Creep failure occurs due to __________.

Question 6

Which of the following would you prefer for checking of the hardness of thin sections?

Question 7

According to Gibbs phase rule, the number of degrees of freedom of a eutectic point in a binary system is

Question 8

If engineering strain is unity then true strain is

Question 9

___________ structure is obtained by austempering process of heat treatment.

Question 10

Constituents of Hayness stellite, having superformance than HSS are

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Jul 26AE & JE Exams