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Previous year question hub

Thermodynamics, Kinetics and Phase Transformations - Engineering Sciences Previous Year Questions

Practice Thermodynamics, Kinetics and Phase Transformations - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

15Papers
15Years
52Questions
1Topics

Thermodynamics, Kinetics and Phase Transformations question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Thermodynamics, Kinetics and Phase Transformations. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 30 57.7%
Easy 22 42.3%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 24 46.2%
Numerical Answer Type (NAT) 22 42.3%
MSQ 4 7.7%
Fill in the blanks 2 3.8%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
52 Qs

Most asked topics

Top topics across the included previous year papers.

Thermodynamics, Kinetics and Phase Transformations
52 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Thermodynamic Equilibria and Phase Diagrams
29 Qs
Reaction Kinetics and Diffusion
14 Qs
Nucleation, Solidification and Phase Transformations
9 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Engineering Sciences (XE) 2026
4 Qs
Engineering Sciences (XE) 2025
2 Qs
Engineering Sciences (XE) 2024
4 Qs
Engineering Sciences (XE) 2023
5 Qs
Engineering Sciences (XE) 2022
7 Qs
Engineering Sciences (XE) 2021
5 Qs
Engineering Sciences (XE) 2020
3 Qs
Engineering Sciences (XE) 2019
2 Qs
Engineering Sciences (XE) 2018
1 Qs
Engineering Sciences (XE) 2017
2 Qs
Engineering Sciences (XE) 2016
5 Qs
Engineering Sciences (XE) 2015
2 Qs
Engineering Sciences (XE) 2014
4 Qs
Engineering Sciences (XE) 2013
4 Qs
Engineering Sciences (XE) 2012
2 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Thermodynamic Equilibria and Phase Diagrams

Explore previous-paper coverage, trends and focused practice for Thermodynamic Equilibria and Phase Diagrams.

29 questions13 papers13 years

Reaction Kinetics and Diffusion

Explore previous-paper coverage, trends and focused practice for Reaction Kinetics and Diffusion.

14 questions12 papers12 years

Nucleation, Solidification and Phase Transformations

Explore previous-paper coverage, trends and focused practice for Nucleation, Solidification and Phase Transformations.

9 questions6 papers6 years

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Engineering Sciences (XE) 202620264View paper
Engineering Sciences (XE) 202520252View paper
Engineering Sciences (XE) 202420244View paper
Engineering Sciences (XE) 202320235View paper
Engineering Sciences (XE) 202220227View paper
Engineering Sciences (XE) 202120215View paper
Engineering Sciences (XE) 202020203View paper
Engineering Sciences (XE) 201920192View paper
Engineering Sciences (XE) 201820181View paper
Engineering Sciences (XE) 201720172View paper
Engineering Sciences (XE) 201620165View paper
Engineering Sciences (XE) 201520152View paper
Engineering Sciences (XE) 201420144View paper
Engineering Sciences (XE) 201320134View paper
Engineering Sciences (XE) 201220122View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2012 · Engineering Sciences · Thermodynamics, Kinetics and Phase Transformations · Thermodynamic Equilibria and Phase Diagrams
Engineering Sciences (XE) 2012
During cooling from 900°C to 723°C, the proeutectoid α forms from γ. Find the volume % of proeutectoid α just below 723°C for the steel.
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2
2013 · Engineering Sciences · Thermodynamics, Kinetics and Phase Transformations · Reaction Kinetics and Diffusion
Engineering Sciences (XE) 2013
As temperature increases, diffusivity of an atom in a solid material,
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3
2014 · Engineering Sciences · Thermodynamics, Kinetics and Phase Transformations · Thermodynamic Equilibria and Phase Diagrams
Engineering Sciences (XE) 2014
Match the reaction in Column I with its name in Column II.
L – liquid, α, β, γ – different solid solution phases
Column IColumn II
(P) L --cooling--> α + β(1) peritectic
(Q) L + β --cooling--> γ(2) eutectic
(R) α --cooling--> β + γ(3) monotic
(4) eutectoid
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4
2015 · Engineering Sciences · Thermodynamics, Kinetics and Phase Transformations · Thermodynamic Equilibria and Phase Diagrams
Engineering Sciences (XE) 2015
The eutectic reaction is
[Note: S – solid, L – liquid]
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5
2016 · Engineering Sciences · Thermodynamics, Kinetics and Phase Transformations · Thermodynamic Equilibria and Phase Diagrams
Engineering Sciences (XE) 2016
Which of the following thermodynamic properties shows a discontinuity during a second-order phase transition?
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6
2017 · Engineering Sciences · Thermodynamics, Kinetics and Phase Transformations · Thermodynamic Equilibria and Phase Diagrams
Engineering Sciences (XE) 2017
Refer to the figure below:

If the alloy contains 47 wt. % of A and 53 wt. % of B at 1300 °C, the wt. % of liquid present in the alloy at this temperature will be ……..

Question diagram

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