A IOCL Engineer mock test from Toppersexam.com is a practice paper based on the latest exam pattern and syllabus, designed to help you assess your preparation level.
IOCL Engineer Free Mock Test
Crack the IOCL Engineer Mock Test 2026 with the help of an online Test series or a free mock test. Every sample paper in the IOCL Engineer Exam has a designated weight, so do not miss out on any paper. Prepare for the IOCL Engineer mock test and check your test scores.
IOCL Engineer Syllabus 2026, Exam Pattern
IOCL Engineer Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about IOCL has published notification 2026 for the recruitment of Engineer/Officer (Grade A) vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
IOCL Engineer/Officer (Grade A) Syllabus 2026 - Overview
IOCL Engineer/Officer (Grade A) Syllabus 2026
Domain Knowledge :
Chemical :
1. Engineering Mathematics
2. Process Calculation & Thermodynamics
3. Fluid Mechanics & Mechanical Operations
4. Chemical Reaction Engineering
5. Instrumentation & Process Control
6. Plant Design and Economics
7. Heat Transfer
8. Mass Transfer
9. Chemical Technology
Electrical :
1. Engineering Mathematics
2. Electrical Machines
3. Power Systems
4. Control Systems
5. Electric circuits
6. Electromagnetic Fields
7. Signals and Systems
8. Electrical and Electronic Measurements
9. Analog and Digital Electronics
10. Power Electronics
Instrumentation :
1. Engineering Mathematics
2. Control Systems
3. Analog Electronics
4. Digital Electronics
5. Electricity and Magnetism
6. Electrical Circuits and Machines
7. Signals and Systems
8. Measurements
9. Sensors and Industrial Instrumentation
10.Communication and Optical Instrumentation
General Aptitude :
Verbal Ability of English Language :
1. Basic English grammar: tenses, prepositions, articles, adjectives, conjunctions, verb-noun agreement, and other parts of speech
2. Basic vocabulary: words, idioms, and phrases in context,
3. Reading and comprehension,
4. Narrative sequencing.
Quantitative Aptitude :-
1. Data interpretation: data graphs (bar graphs, pie charts, and other graphs representing data), 2. 2- and 3-dimensional plots, maps, and tables
3. Numerical computation and estimation: ratios, percentages, powers, exponents and logarithms, permutations and combinations, and series
4. Mensuration and geometry Elementary statistics and probability
Logical Reasoning :
1. Logic: deduction and induction, Analogy, Numerical relations and reasoning.
2. Transformation of shapes: translation, rotation, scaling, mirroring, assembling, and grouping paper folding, cutting, and patterns in 2 and
3 dimensions.
IOCL Engineer/Officer (Grade A) Syllabus 2026 - Overview
| Organization Name | Indian Oil Corporation Limited (IOCL) |
| Post Names | Engineers / Officers (Grade – A) |
| Disciplines | Chemical, Electrical, Instrumentation |
| Total Vacancies | 126 |
| Category | Syllabus and Exam Pattern |
| Exam Date 2026 | 24th September 2026 (Tentative) |
| Salary / Pay Scale | Rs.50,000 – Rs.1,60,000 per month |
| Job Location | All India |
| Offical Website | iocl.com |
IOCL Engineer/Officer (Grade A) Syllabus 2026
Domain Knowledge :
Chemical :
1. Engineering Mathematics
2. Process Calculation & Thermodynamics
3. Fluid Mechanics & Mechanical Operations
4. Chemical Reaction Engineering
5. Instrumentation & Process Control
6. Plant Design and Economics
7. Heat Transfer
8. Mass Transfer
9. Chemical Technology
Electrical :
1. Engineering Mathematics
2. Electrical Machines
3. Power Systems
4. Control Systems
5. Electric circuits
6. Electromagnetic Fields
7. Signals and Systems
8. Electrical and Electronic Measurements
9. Analog and Digital Electronics
10. Power Electronics
Instrumentation :
1. Engineering Mathematics
2. Control Systems
3. Analog Electronics
4. Digital Electronics
5. Electricity and Magnetism
6. Electrical Circuits and Machines
7. Signals and Systems
8. Measurements
9. Sensors and Industrial Instrumentation
10.Communication and Optical Instrumentation
General Aptitude :
Verbal Ability of English Language :
1. Basic English grammar: tenses, prepositions, articles, adjectives, conjunctions, verb-noun agreement, and other parts of speech
2. Basic vocabulary: words, idioms, and phrases in context,
3. Reading and comprehension,
4. Narrative sequencing.
Quantitative Aptitude :-
1. Data interpretation: data graphs (bar graphs, pie charts, and other graphs representing data), 2. 2- and 3-dimensional plots, maps, and tables
3. Numerical computation and estimation: ratios, percentages, powers, exponents and logarithms, permutations and combinations, and series
4. Mensuration and geometry Elementary statistics and probability
Logical Reasoning :
1. Logic: deduction and induction, Analogy, Numerical relations and reasoning.
2. Transformation of shapes: translation, rotation, scaling, mirroring, assembling, and grouping paper folding, cutting, and patterns in 2 and
3 dimensions.
IOCL Engineer/Officer (Grade A) Exam Pattern 2026
Duration : 150 Minutes
Negative Marking : 0.25
| Section | Subject | No.of Question | Marks |
| Section A | Domain Knowledge | 50 | 50 |
| Section B | General Aptitude | ||
| Quantitative Aptitude | 20 | 20 | |
| Logical Reasoning | 15 | 15 | |
| Verbal Ability of English Language | 15 | 15 | |
| Total | 100 | 100 |
Exam Date 2026 : 24th September 2026
Starting Date of Application Form : 14th August 2026
Last Date of Application Form : 03rd September 2026
Total Post : 126
IOCL Engineer Exam Free Online Test Series
Crack IOCL Engineer Mock Test 2026 with the help of Online Test Series or Free Mock Test. Every Question Paper in IOCL Engineer Exam has a designated weightage so do not miss out any Paper. Practice for IOCL Engineer/Officer (Grade A) Mock Test and check your test scores.
1
IOCL Engineer/Officer (Grade A) Electrical Exam - Hindi100 questions • 150 mins • 100 marks
Free Test →2
IOCL Engineer/Officer (Grade A) Electrical Exam - English100 questions • 150 mins • 100 marks
Free Test →3
IOCL Engineer/Officer (Grade A) (Chemical) Exam - Hindi100 questions • 150 mins • 100 marks
Free Test →4
IOCL Engineer/Officer (Grade A) (Chemical) Exam - English100 questions • 150 mins • 100 marks
Free Test →5
IOCL Engineer/Officer (Grade A) (Instrumentation) Exam - Hindi100 questions • 150 mins • 100 marks
Free Test →6
IOCL Engineer/Officer (Grade A) Instrumentation Exam - English100 questions • 150 mins • 100 marks
Free Test →IOCL Engineer Exam Free Online Question Bank
IOCL Engineer question answer with solutions are available in Hindi & English. Join MCQ, Important Questions, Question Bank, questions and answers for Free IOCL Engineer exam preparation.
1
IOCL Engineer/Officer (Grade A) Electrical Exam - Hindi100 questions • 150 mins • 100 marks
Free Questions →2
IOCL Engineer/Officer (Grade A) Electrical Exam - English100 questions • 90 mins • 100 marks
Free Questions →3
IOCL Engineer/Officer (Grade A) (Chemical) Exam - Hindi100 questions • 150 mins • 100 marks
Free Questions →4
IOCL Engineer/Officer (Grade A) (Chemical) Exam - English100 questions • 150 mins • 100 marks
Free Questions →5
IOCL Engineer/Officer (Grade A) (Instrumentation) Exam - Hindi100 questions • 150 mins • 100 marks
Free Questions →6
IOCL Engineer/Officer (Grade A) Instrumentation Exam - English100 questions • 150 mins • 100 marks
Free Questions →Combo Offers
IOCL Engineer Combo Packages
We Launches Combo Offers ! with Heavy Discount and Cost Saving Prices. Combo Packages includes - Online Mock Test Series + Important Questions or MCQs + Previous Year Papers with Answer.
Combo Package
IOCL Engineer
Combo - 1 Electrical (Hindi)
1. Online Mock Test Series in Hindi = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹201₹231
Combo Package
IOCL Engineer
Combo - 2 Electrical (Hindi)
1. Online Mock Test Series in Hindi = 20 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹281₹311
Combo Package
IOCL Engineer
Combo - 3 Electrical (Hindi)
1. Online Mock Test Series in Hindi = 30 Tests.
2. Question Bank - 3000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 3000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹341₹371
Combo Package
IOCL Engineer
Combo - 4 Electrical (English)
1. Online Mock Test Series in English = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹201₹231
Combo Package
IOCL Engineer
Combo - 5 Electrical (English)
1. Online Mock Test Series in English = 20 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹281₹311
Combo Package
IOCL Engineer
Combo - 6 Electrical (English)
1. Online Mock Test Series in English = 30 Tests.
2. Question Bank - 3000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 3000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹341₹371
Combo Package
IOCL Engineer
Combo - 7 Instrumentation (Hindi)
1. Online Mock Test Series in Hindi = 11 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹201₹231
Combo Package
IOCL Engineer
Combo - 8 Instrumentation (English)
1. Online Mock Test Series in English = 12 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹201₹231
Combo Package
IOCL Engineer
Combo - 9 Chemical (English)
1. Online Mock Test Series in English = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹201₹231
Combo Package
IOCL Engineer
Combo - 10 Chemical (English)
1. Online Mock Test Series in English = 19 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹281₹311
Combo Package
IOCL Engineer
Combo - 11 Electrical (Hindi)
1. Online Mock Test Series in Hindi = 30 Tests.
2. Question Bank - 3000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 3000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹791₹831
Combo Package
IOCL Engineer
Combo - 12 Electrical (English)
1. Online Mock Test Series in English = 30 Tests.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
₹791₹831
Combo Package
IOCL Engineer
Combo - 13 Instrumentation (Hindi)
1. Online Mock Test Series in Hindi = 11 Tests.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹651₹721
Combo Package
IOCL Engineer
Combo - 14 Instrumentation (English)
1. Online Mock Test Series in English = 12 Tests.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
₹651₹721
Combo Package
IOCL Engineer
Combo - 15 Chemical (English)
1. Online Mock Test Series in English = 19 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
₹701₹771
Combo Package
IOCL Engineer
Combo - 16 Electrical (Hindi)
1. Online Mock Test Series in Hindi = 30 Tests.
2. Question Bank - 3000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 3000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹861₹1021
Combo Package
IOCL Engineer
Combo - 17 Electrical (English)
1. Online Mock Test Series in English = 30 Tests.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 4000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
₹861₹1021
Combo Package
IOCL Engineer
Combo - 18 Instrumentation (Hindi)
1. Online Mock Test Series in Hindi = 11 Tests.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹751₹911
Combo Package
IOCL Engineer
Combo - 19 Instrumentation (English)
1. Online Mock Test Series in English = 12 Tests.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
₹751₹911
Combo Package
IOCL Engineer
Combo - 20 Chemical (English)
1. Online Mock Test Series in English = 19 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Engineer (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
₹801₹961
FAQs
Iocl Engineer 2026 Free Mock Test Frequently Asked Questions (FAQ's)
You can find and practice free mock tests for the IOCL Engineer exam on the Toppersexam.com portal.
Mock tests are very powerful tool for exam preparation. They help students develop confidence, manage time effectively and improves accuracy to prepare better for IOCL Engineer.
You can find a free online mock test for the IOCL Engineer on toppersexam.com. By taking frequent online mock tests students can monitor there progress and create a study plan according to the needs.
You can take mock test online for IOCL Engineer to know the CBT (computer based test) format of the main exam. You will get latest exam pattern, updated syllabus and type of questions asked in the actual exam.
Mock tests are practice exams to prepare the students for the final one. Taking mock test regularly helps students to improve time management skills and boost confidence.
Students can find a free mock test for IOCL Engineer only at toppersexam. Get free online mock test to experience the actual exam format is important to reduce anxiety and improves your confidence.
Advantages of online mock tests are immediate results, accessibility and time management. Sample papers and mock tests are remarkable tools to track students performance and change your study plan according to your weakness.
Free online mock test can improve your score by making you exam ready before the final exam. It is a excellent way to know the exam pattern and identify your weakness for the IOCL Engineer.
Toppersexam free online mock test are designed by subject experts to provide the best preparation for IOCL Engineer. The questions asked are exactly like the ones which are asked in the actual exam.
Students should practice more and more online mock test for IOCL Engineer to evaluate their performance, detect weaknesses, and improve time management without any cost.
Current affairs and general knowledge mock test are important ways to increase knowledge to stay updated about the recent news and events. Regular practicing with current affairs mock test helps students to prepare better for general awareness section for the final exam.
User Reviews