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Previous year question hub

Chemical Engineering Previous Year Questions

Practice Chemical Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

20Papers
20Years
1,110Questions
10Topics

Chemical Engineering question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 579 52.2%
Medium 506 45.6%
Hard 25 2.3%

Question type distribution

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

MCQ 791 71.3%
Numerical Answer Type (NAT) 271 24.4%
MSQ 25 2.3%
Fill in the blanks 23 2.1%

Subject weightage

Top subjects by unique question coverage.

Chemical Engineering
1110 Qs

Most asked topics

Top topics across the included previous year papers.

Engineering Mathematics
214 Qs
Fluid Mechanics and Mechanical Operations
151 Qs
Chemical Reaction Engineering
142 Qs
Mass Transfer
130 Qs
Heat Transfer
112 Qs
Instrumentation and Process Control
100 Qs
Thermodynamics
98 Qs
Chemical Technology
72 Qs
Plant Design and Economics
48 Qs
Process Calculations
43 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Reaction Kinetics and Ideal Reactors
97 Qs
Conduction, Convection and Radiation
65 Qs
Calculus
63 Qs
Thermodynamic Laws and Properties
57 Qs
Pipe Flow, Pumps and Flow Measurement
50 Qs
Distillation and Absorption
47 Qs
Fluid Statics and Conservation Equations
44 Qs
Diffusion and Mass-transfer Theories
43 Qs
Process Economics and Cost Estimation
42 Qs
Heat Exchangers and Evaporators
38 Qs
Mixture Properties and Phase Equilibria
35 Qs
Process Modelling and Dynamic Response
35 Qs
Feedback Control and Stability
33 Qs
Probability and Statistics
31 Qs
Differential Equations
29 Qs
Material and Energy Balances
29 Qs
Settling, Filtration and Mixing
28 Qs
Linear Algebra
27 Qs
Inorganic Chemicals and Fertilizers
27 Qs
Numerical Methods
27 Qs
Petroleum Refining and Petrochemicals
26 Qs
Heterogeneous Catalysis and Diffusion
26 Qs
Process Measurements and Instrumentation
23 Qs
Fundamentals of AI/ML
21 Qs
Drying, Humidification and Membrane Separation
19 Qs
Non-ideal and Non-isothermal Reactors
17 Qs
Complex Variables
16 Qs
Particle Size Reduction and Classification
15 Qs
Boundary Layers and Flow around Particles
14 Qs
Recycle, Bypass and Purge
11 Qs
Stagewise Contacting and Transfer Units
11 Qs
Extraction, Leaching and Adsorption
10 Qs
Polymer Production
10 Qs
Pulp, Paper, Sugar and Ethanol
9 Qs
Controller Tuning and Advanced Control
9 Qs
Boiling and Condensation
9 Qs
Equipment Design and Optimization
6 Qs
Chemical Reaction Equilibrium
6 Qs
Phase Rule and Degrees of Freedom
3 Qs
Enzyme Kinetics
2 Qs

Paper coverage

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

Chemical Engineering (CH) 2026
54 Qs
Chemical Engineering (CH) 2025
50 Qs
Chemical Engineering (CH) 2024
52 Qs
Chemical Engineering (CH) 2023
54 Qs
Chemical Engineering (CH) 2022
48 Qs
Chemical Engineering (CH) 2021
53 Qs
Chemical Engineering (CH) 2020
55 Qs
Chemical Engineering (CH) 2019
52 Qs
Chemical Engineering (CH) 2018
51 Qs
Chemical Engineering (CH) 2017
55 Qs
Chemical Engineering (CH) 2016
49 Qs
Chemical Engineering (CH) 2015
3 Qs
Chemical Engineering (CH) 2014
52 Qs
Chemical Engineering (CH) 2013
65 Qs
Chemical Engineering (CH) 2012
62 Qs
Chemical Engineering (CH) 2011
64 Qs
Chemical Engineering (CH) 2010
62 Qs
Chemical Engineering (CH) 2009
60 Qs
Chemical Engineering (CH) 2008
84 Qs
Chemical Engineering (CH) 2007
85 Qs

Browse by topics

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

Engineering Mathematics

Explore previous-paper coverage, trends and focused practice for Engineering Mathematics.

214 questions20 papers20 years

Fluid Mechanics and Mechanical Operations

Explore previous-paper coverage, trends and focused practice for Fluid Mechanics and Mechanical Operations.

151 questions19 papers19 years

Chemical Reaction Engineering

Explore previous-paper coverage, trends and focused practice for Chemical Reaction Engineering.

142 questions19 papers19 years

Mass Transfer

Explore previous-paper coverage, trends and focused practice for Mass Transfer.

130 questions19 papers19 years

Heat Transfer

Explore previous-paper coverage, trends and focused practice for Heat Transfer.

112 questions19 papers19 years

Instrumentation and Process Control

Explore previous-paper coverage, trends and focused practice for Instrumentation and Process Control.

100 questions19 papers19 years

Thermodynamics

Explore previous-paper coverage, trends and focused practice for Thermodynamics.

98 questions19 papers19 years

Chemical Technology

Explore previous-paper coverage, trends and focused practice for Chemical Technology.

72 questions19 papers19 years

Plant Design and Economics

Explore previous-paper coverage, trends and focused practice for Plant Design and Economics.

48 questions19 papers19 years

Process Calculations

Explore previous-paper coverage, trends and focused practice for Process Calculations.

43 questions18 papers18 years

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Chemical Engineering (CH) 20262026
54 questions in this view		2026
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20252025
50 questions in this view		2025
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20242024
52 questions in this view		2024
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20232023
54 questions in this view		2023
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20222022
48 questions in this view		2022
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20212021
53 questions in this view		2021
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20202020
55 questions in this view		2020
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20192019
52 questions in this view		2019
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20182018
51 questions in this view		2018
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20172017
55 questions in this view		2017
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20162016
49 questions in this view		2016
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20152015
3 questions in this view		2015
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20142014
52 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20132013
65 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20122012
62 questions in this view		2012
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20112011
64 questions in this view		2011
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20102010
62 questions in this view		2010
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20092009
60 questions in this view		2009
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20082008
84 questions in this view		2008
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20072007
85 questions in this view		2007
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

Sample previous year questions

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

1
2007 · Chemical Engineering · Engineering Mathematics · Complex Variables
Chemical Engineering (CH) 2007
Given \(i = \sqrt{-1}\), the ratio \(\frac{(i+3)}{(i+1)}\) is given by
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2
2008 · Chemical Engineering · Engineering Mathematics · Differential Equations
Chemical Engineering (CH) 2008
Q.1 Which ONE of the following is NOT an integrating factor for the differential equation \( xdy - ydx = 0 \)?
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3
2009 · Chemical Engineering · Engineering Mathematics · Calculus
Chemical Engineering (CH) 2009
The direction of largest increase of the function \( x y^3 - x^2 \) at the point (1,1) is
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4
2010 · Chemical Engineering · Fluid Mechanics and Mechanical Operations · Particle Size Reduction and Classification
Chemical Engineering (CH) 2010
The critical speed (revolutions per unit time) of a ball mill of radius R, which uses balls of radius r, is
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5
2011 · Chemical Engineering · Chemical Technology · Polymer Production
Chemical Engineering (CH) 2011
Match the polymerisation mechanisms in Group I with the corresponding polymers in Group II
GROUP IGROUP II
P. Chain growth/addition polymerisation
Q. Step growth/condensation polymerisation		I. Polyethylene
II. Polyvinyl chloride
III. Polyethylene terephthalate
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6
2012 · Chemical Engineering · Engineering Mathematics · Linear Algebra
Chemical Engineering (CH) 2012
Consider the following set of linear algebraic equations
\[ \begin{array}{rcl} x_1 + 2x_2 + 3x_3 &=& 2 \\ x_2 + x_3 &=& -1 \\ 2x_2 + 2x_3 &=& 0 \end{array} \]
The system has
Open complete paper