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Previous year question hub

Properties of Pure Substances - Engineering Sciences Previous Year Questions

Practice Properties of Pure Substances - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

14Papers
14Years
54Questions
1Topics

Properties of Pure Substances question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Properties of Pure Substances. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 30 55.6%
Medium 24 44.4%

Question type distribution

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

MCQ 26 48.1%
Numerical Answer Type (NAT) 24 44.4%
Fill in the blanks 2 3.7%
MSQ 2 3.7%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
54 Qs

Most asked topics

Top topics across the included previous year papers.

Properties of Pure Substances
54 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Phase Behaviour and Equations of State
54 Qs

Paper coverage

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

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

Browse by subtopics

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

Phase Behaviour and Equations of State

Explore previous-paper coverage, trends and focused practice for Phase Behaviour and Equations of State.

54 questions14 papers14 years

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
Engineering Sciences (XE) 202620261View paper
Engineering Sciences (XE) 202520255View paper
Engineering Sciences (XE) 202320233View paper
Engineering Sciences (XE) 202220223View paper
Engineering Sciences (XE) 202120216View paper
Engineering Sciences (XE) 202020205View paper
Engineering Sciences (XE) 201920194View paper
Engineering Sciences (XE) 201820185View paper
Engineering Sciences (XE) 201720174View paper
Engineering Sciences (XE) 201620162View paper
Engineering Sciences (XE) 201520153View paper
Engineering Sciences (XE) 201420144View paper
Engineering Sciences (XE) 201320134View paper
Engineering Sciences (XE) 201220125View paper

Sample previous year questions

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

1
2012 · Engineering Sciences · Properties of Pure Substances · Phase Behaviour and Equations of State
Engineering Sciences (XE) 2012
In each of the following choices, there are two expressions given. Select the choice that gives, first, the defining expression of volume expansivity and second, the expression of volume expansivity for ideal gases
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2
2013 · Engineering Sciences · Properties of Pure Substances · Phase Behaviour and Equations of State
Engineering Sciences (XE) 2013
The isothermal compressibility of a liquid is 5 × 10⁻⁵ /kPa. If it is compressed at constant temperature from 5000 to 10000kPa, what is the ratio of final volume to initial volume, to second decimal place accuracy? ________
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3
2014 · Engineering Sciences · Properties of Pure Substances · Phase Behaviour and Equations of State
Engineering Sciences (XE) 2014
For a superheated vapor that cannot be approximated as an ideal gas, the expression determining a small change in the specific internal energy is
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4
2015 · Engineering Sciences · Properties of Pure Substances · Phase Behaviour and Equations of State
Engineering Sciences (XE) 2015
The critical point of a substance corresponds to the state
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5
2016 · Engineering Sciences · Properties of Pure Substances · Phase Behaviour and Equations of State
Engineering Sciences (XE) 2016
Water vapour can be treated as an ideal gas,
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6
2017 · Engineering Sciences · Properties of Pure Substances · Phase Behaviour and Equations of State
Engineering Sciences (XE) 2017
Saturated liquid water is slowly heated at a constant pressure of 200 kPa to a final state where its quality reaches 0.65. For water at 200 kPa: Tsat = 120.23°C, hf = 504.68 kJ/kg, hg = 2706.60 kJ/kg. The change in the specific entropy in kJ/kg.K is
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