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GATE ME 2021 || Manufacturing Quiz 14

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Question 1

Medium temperature tempering increases
i) endurance limit
ii) elastic limit
iii) hardness

Question 2

in which process, worker needs protection during operation

Question 3

During heat treatment of steel, the hardness of various structures in increasing order is

Question 4

The figure below shows the TTT diagram of eutectoid steel for which the following microstructures are to be matched :

1) Fine pearlite

2) Martensite

3) Bainite

4) Coarse pearlite

The correct match will be :

Question 5

The fraction of proeutectoid cementite in 1.4 % carbon steel is ____.

Question 6

Which of the following is a false statement about work hardening?
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Posted by:

Suraj AggarwalSuraj AggarwalMember since Jul 2020
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