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GATE Mechanical 2014 Set 4 | Question: 24

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Match the heat treatment processes (Group A) and their associated effects on properties (Group B) of medium carbon steel

$\begin{array}{|l|l|} \hline \textbf{Group A} & \textbf{Group B} \\ \hline \text{P: Tempering} & \text{I: Strengthening and grain refinement} \\ \hline \text{Q: Quenching} & \text{II: Inducing toughness} \\ \hline  \text{R: Annealing} & \text{III: Hardening} \\ \hline  \text{S: Normalizing} & \text{IV: Softening} \\ \hline  \end{array}$

  1. $P-III, Q-IV, R-II, S-I$
  2. $P-II, Q-III, R-IV, S-I$
  3. $P-III, Q-II, R-IV, S-I$
  4. $P-II, Q-III, R-I, S-IV$

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