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Previous year question hub

Instrumentation and Process Control - Chemical Engineering Previous Year Questions

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

19Papers
19Years
100Questions
1Topics

Instrumentation and Process Control 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.

Medium 58 58%
Easy 34 34%
Hard 8 8%

Question type distribution

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

MCQ 72 72%
Numerical Answer Type (NAT) 25 25%
MSQ 2 2%
Fill in the blanks 1 1%

Subject weightage

Top subjects by unique question coverage.

Chemical Engineering
100 Qs

Most asked topics

Top topics across the included previous year papers.

Instrumentation and Process Control
100 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Process Modelling and Dynamic Response
35 Qs
Feedback Control and Stability
33 Qs
Process Measurements and Instrumentation
23 Qs
Controller Tuning and Advanced Control
9 Qs

Paper coverage

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

Chemical Engineering (CH) 2026
5 Qs
Chemical Engineering (CH) 2025
3 Qs
Chemical Engineering (CH) 2024
5 Qs
Chemical Engineering (CH) 2023
5 Qs
Chemical Engineering (CH) 2022
5 Qs
Chemical Engineering (CH) 2021
8 Qs
Chemical Engineering (CH) 2020
4 Qs
Chemical Engineering (CH) 2019
4 Qs
Chemical Engineering (CH) 2018
4 Qs
Chemical Engineering (CH) 2017
5 Qs
Chemical Engineering (CH) 2016
6 Qs
Chemical Engineering (CH) 2014
7 Qs
Chemical Engineering (CH) 2013
5 Qs
Chemical Engineering (CH) 2012
5 Qs
Chemical Engineering (CH) 2011
5 Qs
Chemical Engineering (CH) 2010
5 Qs
Chemical Engineering (CH) 2009
5 Qs
Chemical Engineering (CH) 2008
6 Qs
Chemical Engineering (CH) 2007
8 Qs

Browse by subtopics

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

Process Modelling and Dynamic Response

Explore previous-paper coverage, trends and focused practice for Process Modelling and Dynamic Response.

35 questions17 papers17 years

Feedback Control and Stability

Explore previous-paper coverage, trends and focused practice for Feedback Control and Stability.

33 questions16 papers16 years

Process Measurements and Instrumentation

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

23 questions12 papers12 years

Controller Tuning and Advanced Control

Explore previous-paper coverage, trends and focused practice for Controller Tuning and Advanced Control.

9 questions7 papers7 years

Included previous year papers

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

Paper nameYearPDFAttempt
Chemical Engineering (CH) 20262026
5 questions in this view		2026
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Chemical Engineering (CH) 20252025
3 questions in this view		2025
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20242024
5 questions in this view		2024
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20232023
5 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
5 questions in this view		2022
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20212021
8 questions in this view		2021
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20202020
4 questions in this view		2020
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Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20192019
4 questions in this view		2019
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Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20182018
4 questions in this view		2018
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20172017
5 questions in this view		2017
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20162016
6 questions in this view		2016
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20142014
7 questions in this view		2014
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20132013
5 questions in this view		2013
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20122012
5 questions in this view		2012
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20112011
5 questions in this view		2011
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20102010
5 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
5 questions in this view		2009
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20082008
6 questions in this view		2008
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemical Engineering (CH) 20072007
8 questions in this view		2007
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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 · Instrumentation and Process Control · Process Measurements and Instrumentation
Chemical Engineering (CH) 2007

An operator was told to control the temperature of a reactor at 60 °C. The operator set the set-point of the temperature controller at 60. The scale actually indicated 0 to 100% of a temperature range of 0 to 200 °C. This caused a runaway reaction by over-pressurizing the vessel, which resulted in injury to the operator. The actual set-point temperature was

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2
2008 · Chemical Engineering · Instrumentation and Process Control · Process Modelling and Dynamic Response
Chemical Engineering (CH) 2008
The unit impulse response of a first order process is given by \( 2 e^{-0.5t} \). The gain and time constant of the process are, respectively,
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3
2009 · Chemical Engineering · Instrumentation and Process Control · Process Measurements and Instrumentation
Chemical Engineering (CH) 2009
Which ONE of the following sensors is used for the measurement of temperature in a combustion process (T > 1800 °C) ?
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4
2010 · Chemical Engineering · Instrumentation and Process Control · Process Modelling and Dynamic Response
Chemical Engineering (CH) 2010
Match the location of the poles/zeros in the s-plane, listed in GROUP I, with the system response characteristics in GROUP II.
GROUP I
P. Pole in the right half plane
Q. Pole at origin
R. Zero in the right half plane
GROUP II
I. Stable response
II. Integrating response
III. Unstable response
IV. Inverse response
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5
2011 · Chemical Engineering · Instrumentation and Process Control · Process Measurements and Instrumentation
Chemical Engineering (CH) 2011
Match the process parameters in Group I with the measuring instruments in Group II
GROUP IGROUP II
P. Flame temperature
Q. Composition of LPG
R. Liquid air temperature		I. Thermocouple
II. Radiation pyrometer
III. Gas chromatograph
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6
2012 · Chemical Engineering · Instrumentation and Process Control · Process Modelling and Dynamic Response
Chemical Engineering (CH) 2012
A thermometer initially at 100°C is dipped at \( t = 0 \) into an oil bath, maintained at 150°C. If the recorded temperature is 130°C after 1 minute, then the time constant of thermometer (in min) is
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