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GATE Exam Pattern for Chemical Engineering 2025, Total Marks, No. of Questions, Negative Marking, Weightage

GATE Chemical Engineering (CH) Exam Pattern- No changes are expected in GATE 2023 Chemical Engineering (CH) Exam Pattern. As per GATE CH Exam Pattern, there are 65 questions carrying a weightage of 100 marks. GATE CH Question Paper covers topics from General Aptitude, Engineering Mathematics and Chemical Engineering. The paper reserves 15% of the weightage for general aptitude, 13% for Engineering Mathematics and the rest 72% for the core chemical engineering syllabus. Check GATE 2023 Chemical Engineering (CH) Syllabus

IIT Kanpur (Conducting Body) is going to conduct GATE CH 2023 paper online as a computer-based test. As per the latest paper combination, candidates appearing for GATE 2023 CH exam can also apply for Petroleum Engineering (PE) or Engineering Sciences (XE) as their second paper.

GATE CH Marking Scheme: Questions in GATE CH paper are of three categories- MCQs, MSQs and NATs. Each question carries 1 or 2 marks each. There is no negative marking for incorrect MSQs or NATs in GATE CH paper. However, each incorrect 1 mark and 2 marks MCQ leads to a deduction of ⅓ and ⅔ mark respectively.

GATE CH Exam Pattern

GATE 2023 Chemical Engineering (CH) Exam Pattern

GATE 2023 Chemical Engineering (CH) question is usually conducted in a single session. The paper is conducted for a 3 hours duration. Candidates can check the detailed GATE CH Exam Pattern in the below mentioned table:

Feature Description
GATE CH 2023 Exam Date February 2023 (Tentatively)
GATE CH 2023 Exam Mode Computer Based Exam (CBT)
GATE CH 2023 Exam Language English
GATE CH 2023 Exam Duration 180 Minutes (3 Hours)
GATE CH 2023 Sectional Time Limit None
GATE CH 2023 Total Marks 100
GATE CH 2023 Total Number of Questions 65
GATE CH 2023 Number of Sections Three-
  • General Aptitude
  • Engineering Mathematics
  • Chemical Engineering
GATE CH 2023 CH Section-Wise Number of Questions General Aptitude: 10
Engineering Mathematics & Chemical Engineering: 55
GATE CH 2023 Sectional Weightage General Aptitude: 15 marks
Engineering Mathematics: 13 marks
Chemical Engineering: 72 marks
GATE CH 2023 Marking Scheme 1 – 2 Marks
GATE CH 2023 Negative Marking Scheme
  • For 1 mark MCQ, 1/3 mark is deducted for a wrong answer;
  • For 2-mark MCQ, 2/3 mark is deducted for a wrong answer;
  • No negative marking for MSQs and NATs

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GATE CH Marking Scheme

GATE 2023 Chemical Engineering (CH) Marking Scheme

  • As per GATE CH exam pattern, there are three types of questions in the exam- MCQs, NATs and MSQs carrying 1 or 2 marks each.
  • Candidates can check the detailed GATE CH Marking Scheme in the table below-
Sections Total Questions Total Marks
1 mark Questions 2 marks Questions
General Aptitude 5 5 (5 x 1) + (5 x 2) = 15
Engineering Mathematics 25 30 (25 x 1) + (30 x 2) = 85
Chemical Engineering (CH)
Total 30 35 100

GATE 2023 Chemical Engineering (CH) Negative Marking

Type of Question GATE 2023 CH Negative Marking
1 Mark Questions 2 Marks Questions
Multiple Choice Questions (MCQs) 1/3 mark 2/3 mark
Multiple Select Questions (MSQs) No negative marking No negative marking
Numerical Answer Type (NATs) No negative marking No negative marking
GATE CH Syllabus

GATE 2023 Chemical Engineering (CH) Syllabus

GATE 2023 Chemical Engineering (CH) Syllabus consists of topics from three sections-

  • General Aptitude (with a weightage of 15 marks)
  • Engineering Mathematics (with a weightage of 13 marks)
  • Chemical Engineering (with a weightage of 72 marks)

Candidates can check the complete GATE CH syllabus from the table given below-

Subject Topics
General Aptitude Verbal Ability, Quantitative Aptitude, Analytical Aptitude, Spatial Aptitude
Engineering Mathematics Linear Algebra, Calculus, Differential Equations, Complex Variables, Probability and Statistics, Numerical Methods
Chemical Engineering Process Calculations and Thermodynamics, Fluid Mechanics and Mechanical Operations, Heat Transfer, Mass Transfer, Chemical Reaction Engineering, Instrumental and Process Control, Plant Design and Economics, Chemical Technology.
GATE CH Expected Weightage

GATE 2023 Chemical Engineering (CH): Expected Weightage of Important Topics

Topics such as Heat Transfer Operation, Thermodynamics, Mass Transfer Operation, CRE, etc. carry the highest weightage in GATE CH exam. Knowing the topic wise weightage helps a candidate to prioritize the topics that need to be covered in more details as compared to the other topics.

Based on previous year GATE CH exam analysis the expected weightage of important topics in GATE CH paper have been mentioned below-

Topics GATE CH 2023 Weightage (Expected Marks)
General Aptitude 15
Engineering Mathematics 11 – 15
Chemical Reaction Engineering 8 - 11
Instrumental and Process Control 6 - 8
Fluid Mechanics 8 - 10
Mechanical Operations 4
Heat Transfer 8
Mass Transfer 8
Plant Design and Economics 4
Chemical Technology 4 – 6

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GATE Chemical Engineering (CH): Previous Years’ Weightage of Important Topics

To tackle GATE CH exam, it is crucial to know how the topics were distributed in accordance of marks in the paper. In 2021 topics such Heat Transfer Operation, Thermodynamics, Mass Transfer Operation, CRE had a higher weightage while in 2020, topics such as Chemical Reaction Engineering, Instrumentation and Process Control, Mass Transfer had a higher weightage in the exam.

The below-mentioned table shows the topic-wise distribution in GATE CH question paper-

Topics Weightage of Topics
2021 2020 2019
General Aptitude 15 15 15
Engineering Mathematics 11 13 13
Chemical Reaction Engineering 12.4 13 12
Instrumentation and Process Control 7.8 6 8
Mass Transfer 10.6 13 9
Heat Transfer 8.8 8 9
Fluid Mechanics and Mechanical Operations 11.8 13 9
Chemical Technology 4.4 4 7
Plant Design and Economics 3.8 1 4
Process Calculations and Thermodynamics 3.6 6 2
GATE CH Preparation

GATE 2023 Chemical Engineering (CH) Preparation

While preparing for GATE Chemical Engineering 2023, candidates must first know the Exam Pattern and Syllabus. This will help them know all the major topics, sub-topics, marking scheme, etc. For your convenience, we have already discussed the topics with their weightage in the section above.

Now the next step should be focused on building a good preparation plan for Chemical Engineering. Candidates must follow a proper study plan, expert guidance, and get the Some of the best books and previous year GATE CH papers have been listed below that might be effective to crack GATE Chemical Engineering (CH).

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GATE Chemical Engineering (CH) Books for Preparation

Candidates can refer to multiple books as per their capability. They can include physical copies or even e-books available online on various platforms. Candidates can refer to the below mentioned table for proper description of the best books for GATE CH 2023.

Topics Books Author
Verbal Ability English Grammar Wren and Martin
Quantitative Aptitude Quantitative Aptitude R S Aggarwal
Analytical Aptitude Verbal and Non – Verbal Reasoning R S Aggarwal
Spatial Aptitude Mechanical Aptitude and Spatial Relations Test Joel Wilson
Linear Algebra A Competitive Approach to Linear Algebra Pundir S K
Differential Equations Differential Calculus Arihant Publication
Complex Variables Complex Variable Murray Spiegel
Probability and Statistics Probability and Statistics Murray Spiegel
Fluid Mechanics and Thermodynamics A book for Fluid Mechanics and Mechanical Operations K Subramanya
Heat Transfer Heat Transfer Dutta
Mass Transfer Heat and Mass Transfer GATE Academy Publications
Chemical Reaction Engineering Chemical Reaction Engineering Ram Prasad
Instrumental Process Control Instrumental Process Control Vishnu Priya
Plant Design and Economics Plant Design and Economics For Chemical Engineers Max Peters
Chemical Technology GATE Guide for Chemical Technology GKP Publications

GATE Chemical Engineering (CH) Previous Year Question Papers

Previous years papers become crucial to imbibe the essence of any exam. Candidates can download and practice for GATE CH using the various previous year PDFs provided below-

Year GATE CH Question Paper Year GATE CH Question Paper
GATE CH 2022 Check Here GATE CH 2013 Check Here
GATE CH 2021 Check Here GATE CH 2012 Check Here
GATE CH 2020 Check Here GATE CH 2011 Check Here
GATE CH 2019 Check Here GATE CH 2010 Check Here
GATE CH 2018 Check Here GATE CH 2009 Check Here
GATE CH 2017 Check Here GATE CH 2008 Check Here
GATE CH 2016 Check Here GATE CH 2007 Check Here
GATE CH 2015 Check Here GATE CH 2006 Check Here
GATE CH 2014 Check Here GATE CH 2005 Check Here

GATE 2023 Chemical Engineering (CH) Exam Pattern FAQs

Ques. What is GATE Chemical Engineering (CH) Exam Pattern?

Ans. As per GATE Chemical Engineering (CH) Exam Pattern, the exam is conducted online as a computer-based test. GATE CH is held as a 3 hours examination, with 65 questions in total comprising 100 marks. There are three sections in the paper namely – General Aptitude, Engineering Mathematics and Chemical Engineering. In totality 15% of the paper is from the general aptitude section and rest 85% is based on the subjects of engineering mathematics and chemical engineering core syllabus.

Ques. What is the syllabus of GATE 2023 Chemical Engineering Exam?

Ans. GATE Chemical Engineering (CH) Syllabus includes topics from general aptitude, engineering mathematics and chemical engineering. The general aptitude syllabus for GATE CH is the same as the other papers. The detailed GATE CH Chemical Engineering syllabus of the paper is given below.

Subject of GATE CH 2023 Topics Name
General Aptitude Verbal Ability, Quantitative Aptitude, Analytical Aptitude, Spatial Aptitude
Engineering Mathematics Linear Algebra, Calculus, Differential Equations, Complex Variables, Probability and Statistics, Numerical Methods
Chemical Engineering Process Calculations and Thermodynamics, Fluid Mechanics and Mechanical Operations, Heat Transfer, Mass Transfer, Chemical Reaction Engineering, Instrumental and Process Control, Plant Design and Economics, Chemical Technology.

Ques. What is the marking scheme for GATE Chemical Engineering?

Ans. GATE Chemical Engineering Exam Pattern there are three types of questions asked in the exam- MCQs, NATs and MSQs. Each question in GATE CH carry 1 or 2 marks each. There is no negative marking for MSQs and NATs. However, each incorrect 1 mark MCQ leads to a deduction of ⅓ mark and incorrect 2 marks MCQ leads to deduction of ⅔ mark. The below table shows the subject and marks distribution of GATE 2023 CH paper.

Sections Total Questions Total Marks
1 mark Questions 2 marks Questions
General Aptitude 5 5 (5 x 1) + (5 x 2) = 15
Engineering Mathematics 25 30 (25 x 1) + (30 x 2) = 85
Chemical Engineering (CH)
Total 30 35 100

Ques. What is the difficulty level of GATE Chemical Engineering (CH) Question Paper?

Ans. The difficulty of GATE CH paper can be predicted from the previous year's trends of the question paper. As per student’s reaction of 2022, GATE CH paper was moderate to difficult. There were questions asked from the non-popular portions of the syllabus and it created a hurdle for many test takers. There were no MSQs in the exam however, the number of NATs was more making the paper lengthy. In 2021, GATE CH paper was of moderate level. As per 2020 GATE CH test takers, the paper was moderate too. So, it can be predicted that the difficulty level of GATE CH 2023 might be somewhere between moderate to difficult range. Check previous year GATE Chemical Engineering Paper Analysis

Ques. What are the topic-wise marks distribution for GATE CH 2023 examination?

Ans. Topic-wise marks distribution of GATE CH 2023 examination is needed to be taken into consideration while preparing for the exam. A detailed marks distribution/ weightage of topics for GATE CH will help candidates know the important topics from the syllabus. The table below shows the expected weightage of topics from GATE CH Syllabus based on previous year paper analysis-

Topics GATE CH Weightage of Topics (Expected Marks)
General Aptitude 15
Engineering Mathematics 11 – 15
Chemical Reaction Engineering 8 - 11
Instrumental and Process Control 6 - 8
Fluid Mechanics 8 - 10
Mechanical Operations 4
Heat Transfer 8
Mass Transfer 8
Plant Design and Economics 4
Chemical Technology 4 – 6

Also Check GATE Chemical Engineering Paper Analysis

Ques. What after passing GATE Chemical Engineering 2023 examination?

Ans. GATE exam is conducted every year for graduates by IISC Bangalore, IIT Delhi, IIT Bombay, IIT Kanpur, IIT Guwahati, IIT Kharagpur, IIT Madras or IIT Roorkee on a rotational basis. GATE scores are accepted for admission into masters' or Ph.D. programs into IITs or NITs and various other prestigious universities. The score are also valid for admission into various foreign universities like the University of Singapore (Singapore), Technical University of Munich (Germany), etc. GATE score is also acceptable for the jobs as graduate engineers in various PSUs of India.

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.

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