Iocl Engineer 2026 Free Mock Test Practice
Iocl Engineer 2026 Exam Free Online Question Bank
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.

IOCL Engineer
Combo - 1 Electrical (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.

IOCL Engineer
Combo - 2 Electrical (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.

IOCL Engineer
Combo - 3 Electrical (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.

IOCL Engineer
Combo - 4 Electrical (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.

IOCL Engineer
Combo - 5 Electrical (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.

IOCL Engineer
Combo - 6 Electrical (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.

IOCL Engineer
Combo - 7 Instrumentation (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.

IOCL Engineer
Combo - 8 Instrumentation (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.

IOCL Engineer
Combo - 9 Chemical (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.

IOCL Engineer
Combo - 10 Chemical (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.

IOCL Engineer
Combo - 11 Electrical (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.

IOCL Engineer
Combo - 12 Electrical (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.

IOCL Engineer
Combo - 13 Instrumentation (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.

IOCL Engineer
Combo - 14 Instrumentation (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.

IOCL Engineer
Combo - 15 Chemical (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.

IOCL Engineer
Combo - 16 Electrical (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.

IOCL Engineer
Combo - 17 Electrical (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.

IOCL Engineer
Combo - 18 Instrumentation (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.

IOCL Engineer
Combo - 19 Instrumentation (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.

IOCL Engineer
Combo - 20 Chemical (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.
IOCL Engineer Syllabus 2026, Exam Pattern
IOCL Engineer Syllabus 2026, Exam Pattern, Exam Date 2026
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