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SSC JE ME Quiz_Material Science Booster Quiz-7

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Question 1

For improving the strength of steel at elevated temperatures, which one of the following alloying element is used?

Question 2

Carbon steel is __________.

Question 3

The alloy element that if present in very small quantities improves the machinability of mild steels is

Question 4

‘Tempering’ of quenched martensite steel is necessary to improve the _________.

Question 5

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

Question 6

Resilience of a material becomes important when it is subjected to ________.

Question 7

A carbon steel having BHN 100 should have ultimate strength closer to

Question 8

Hardness of steel depends on __________.

Question 9

Match List I with List II and select the correct option.

Question 10

Under microscope ferrite appears as ________.
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Oct 31AE & JE Exams