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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