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Previous year question hub

Petroleum Refining and Petrochemicals - Chemical Technology - Chemical Engineering Previous Year Questions

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

16Papers
16Years
26Questions
1Topics

Petroleum Refining and Petrochemicals 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 21 80.8%
Medium 5 19.2%

Question type distribution

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

MCQ 25 96.2%
MSQ 1 3.8%

Subject weightage

Top subjects by unique question coverage.

Chemical Engineering
26 Qs

Most asked topics

Top topics across the included previous year papers.

Chemical Technology
26 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Petroleum Refining and Petrochemicals
26 Qs

Paper coverage

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

Chemical Engineering (CH) 2026
1 Qs
Chemical Engineering (CH) 2024
1 Qs
Chemical Engineering (CH) 2023
1 Qs
Chemical Engineering (CH) 2022
1 Qs
Chemical Engineering (CH) 2021
1 Qs
Chemical Engineering (CH) 2020
1 Qs
Chemical Engineering (CH) 2019
2 Qs
Chemical Engineering (CH) 2018
1 Qs
Chemical Engineering (CH) 2016
1 Qs
Chemical Engineering (CH) 2014
2 Qs
Chemical Engineering (CH) 2013
1 Qs
Chemical Engineering (CH) 2012
3 Qs
Chemical Engineering (CH) 2011
4 Qs
Chemical Engineering (CH) 2009
2 Qs
Chemical Engineering (CH) 2008
2 Qs
Chemical Engineering (CH) 2007
2 Qs

Included previous year papers

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

Paper nameYearPDFAttempt
Chemical Engineering (CH) 20262026
1 questions in this view
2026
Chemical Engineering (CH) 20242024
1 questions in this view
2024
Chemical Engineering (CH) 20232023
1 questions in this view
2023
Chemical Engineering (CH) 20222022
1 questions in this view
2022
Chemical Engineering (CH) 20212021
1 questions in this view
2021
Chemical Engineering (CH) 20202020
1 questions in this view
2020
Chemical Engineering (CH) 20192019
2 questions in this view
2019
Chemical Engineering (CH) 20182018
1 questions in this view
2018
Chemical Engineering (CH) 20162016
1 questions in this view
2016
Chemical Engineering (CH) 20142014
2 questions in this view
2014
Chemical Engineering (CH) 20132013
1 questions in this view
2013
Chemical Engineering (CH) 20122012
3 questions in this view
2012
Chemical Engineering (CH) 20112011
4 questions in this view
2011
Chemical Engineering (CH) 20092009
2 questions in this view
2009
Chemical Engineering (CH) 20082008
2 questions in this view
2008
Chemical Engineering (CH) 20072007
2 questions in this view
2007

All Petroleum Refining and Petrochemicals previous year questions

Practice every matching question in batches of 20, with every available option.

1
2007 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2007

Which of the following is desirable in gasoline but undesirable in kerosene?

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2
2007 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2007
Match the Petrochemical derivative in Group1 with the raw materials in Group 2
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3
2008 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2008

Which ONE of the following is NOT a major constituent of crude oil?

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4
2008 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2008

Which ONE of the following process sequences is used in the production of synthesis gas?

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5
2009 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2009

In petroleum refining operations, the process used for converting paraffins and naphthenes to aromatics is

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6
2009 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2009
Match the product in Group I with the name of the process in Group II.
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7
2011 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2011

Which ONE of the following sequences is arranged according to INCREASING calorific value?

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8
2011 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2011

Hydrotreating is used for

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9
2011 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2011

Zeolite ZSM-5 is added to commercial FCC catalyst for

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10
2011 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2011
Match the reactions in Group I with the products in Group II.
GROUP I
P. Ammoxidation
Q. Nitration
R. Dehydrogenation
S. Oxidation
GROUP II
I. Aniline from benzene
II. Benzoic acid from toluene
III. Acrylonitrile from propylene
IV. Styrene from ethylbenzene
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11
2012 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2012

In petroleum refining, catalytic reforming is used to convert

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12
2012 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2012

The final boiling points of gasoline, diesel, atmospheric gas oil (AGO) and lubricating oils vary as

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13
2012 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2012

The main unit processes used for the production of hydrogen from natural gas are steam reforming (SR), pressure swing adsorption (PSA), low temperature water gas shift reaction (LT WGS) and high temperature water gas shift reaction (HT WGS). The correct sequence of these in the plant is

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14
2013 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2013
Match the reactant-product combination in Group 1 with the unit process in Group 2. Group 1 (P) propylene - butanol (Q) cumene - phenol (R) butane - butadiene (S) ethylene dichloride - vinyl chloride Group 2 (1) Pyrolysis (2) Dehydrogenation (3) Hydroformylation (4) Peroxidation
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15
2014 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2014

Catalytic cracking is

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16
2014 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2014

Which ONE of the following statements is CORRECT?

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17
2016 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2016

India has no elemental sulphur deposits that can be economically exploited. In India, which one of the following industries produces elemental sulphur as a by-product?

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18
2018 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2018

In connection with petroleum refining, identify the incorrect statement among the following options.

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19
2019 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2019
The most common catalyst used for oxidation of \( o \)-xylene to phthalic anhydride is
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20
2020 · Chemical Engineering · Chemical Technology · Petroleum Refining and Petrochemicals
Chemical Engineering (CH) 2020
Consider the refinery processes in Group – 1 and the catalysts in Group – 2.
Group – 1Group – 2
P      HydrodesulfurizationI      Zeolites
Q      Fluid catalytic cracking (FCC)II      Pt/Al2O3
R      Naphtha reformingIII      Co-Mo/Al2O3
The correct combination is
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Showing 20 of 25 questions