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Iocl Refineries Division Grade Iv 2026 Free Mock Test Practice
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IOCL Refineries Division Grade IV Syllabus 2026, Exam Pattern
1
IOCL Refineries Division Grade 4 Exam (Production) - Hindi100 questions • 120 mins • 100 marks
Free Test →2
IOCL Refineries Division Grade 4 Exam (Production) - English100 questions • 120 mins • 100 marks
Free Test →Free Important Questions
Iocl Refineries Division Grade Iv 2026 Exam Free Online Question Bank
Combo Offers
IOCL Refineries Division Grade IV 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 Refineries Division Grade IV
Combo - 1 (Hindi)
1. Online Mock Test Series in Hindi = 12 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.
₹211₹241
Combo Package

IOCL Refineries Division Grade IV
Combo - 2 (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.
₹211₹241
Combo Package

IOCL Refineries Division Grade IV
Combo - 3 (Hindi)
1. Online Mock Test Series in Hindi = 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 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.
₹661₹731
Combo Package

IOCL Refineries Division Grade IV
Combo - 4 (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.
₹241₹271
Combo Package

IOCL Refineries Division Grade IV
Combo - 5 (Hindi)
1. Online Mock Test Series in Hindi = 12 Tests.
2. Question Bank - 1500 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of IOCL Refineries Division Grade IV (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 Refineries Division Grade IV (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.
₹761₹921
Combo Package

IOCL Refineries Division Grade IV
Combo - 6 (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 Refineries Division Grade IV (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 Refineries Division Grade IV (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.
₹761₹921
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IOCL Refineries Division Grade IV Syllabus 2026, Exam Pattern
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IOCL Refineries Division Grade 4 Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about IOCL has published notification 2022 for the recruitment of Refineries Division Grade 4 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 Refineries Division Syllabus 2026 - Overview
IOCL Refineries Division Grade 4 Syllabus 2026
Numerical Ability :
1. Algebraic Equations
2. Comparison of Quantity
3. Data Sufficiency
4. Mixture and Alligation
5. Percentages
6. Number Series
7. Number System
8. Partnership
9. Simplification and Approximation
General Knowledge and Awareness :
1. Indian freedom struggle
2. Mughal Empire
3. Buddhism and Jainism
4. Budgeting Concepts
5. Science and Technology
6. Constitution Articles
7. Chief Ministers and Governors
8. Famous Sites in India
9. Indian towns on river banks
Technical Subject :- (Expected)
Production :
Basics of Fertilizer Production :
1. Introduction to Fertilizer Production
2. Raw Materials Used in Fertilizer Production
3. Overview of Fertilizer Manufacturing Processes
Chemical Processes :
1. Ammonia Synthesis
2. Urea Production
3. Ammonium Nitrate Production
4. NPK (Nitrogen, Phosphorus, Potassium) Fertilizers
Unit Operations :
1. Distillation
2. Absorption
3. Filtration
4. Crystallization
5. Drying
Heat Transfer :
1. Principles of Heat Transfer
2. Heat Exchangers
3. Cooling Towers
4. Condensers
Mass Transfer :
1. Principles of Mass Transfer
2. Absorption and Stripping
3. Distillation and Extraction
4. Gas-Liquid Contactors
Fluid Mechanics :
1. Fluid Flow
2. Pressure Drop Calculations
3. Pumps and Compressors
4. Flow Measurement
Chemical Reaction Engineering :
1. Reaction Kinetics
2. Reactor Design
3. Catalysis
4. Process Optimization
Process Control :
1. Control Systems
2. Instrumentation
3. Automation in Production
4. Safety Systems
Quality Control and Assurance :
1. Quality Control Methods
2. Testing and Analysis
3. Standards and Specifications
4. Quality Assurance Practices
Maintenance of Production Equipment :
1. Preventive Maintenance
2. Troubleshooting
3. Equipment Calibration
4. Safety Practices in Maintenance
Safety and Environmental Engineering :
1. Safety Protocols
2. Hazard Analysis
3. Environmental Impact
4. Waste Management
IOCL Refineries Division Grade 4 Exam Pattern 2026
Duration : 120 Minutes
Exam Date : Notified Soon
Starting Date of Application Form : Notified Soon
Last Date of Application Form : Notified Soon
IOCL Refineries Division Syllabus 2026 - Overview
| Organisation Name | Indian Oil Corporation Limited (IOCL) |
| Post Name | Non-Executive (Grade 4) Jr Engineering Assistant-IV (Production) – All Refineries (Post Code 201) |
| Vacancies | Coming Soon |
| Application Mode | Online |
| Selection Process | Written Test |
| Job Location | Guwahati, Digboi & Bongaigaon (Assam), Barauni (Bihar), Vadodara (Gujarat), Haldia (West Bengal), Mathura (Uttar Pradesh), Panipat {Panipat Refinery & Petrochemical Complex (PRPC)}(Haryana) and Paradip (Odisha) |
| Category | Syllabus and Exam Pattern |
| Official website | https://iocl.com |
IOCL Refineries Division Grade 4 Syllabus 2026
Numerical Ability :
1. Algebraic Equations
2. Comparison of Quantity
3. Data Sufficiency
4. Mixture and Alligation
5. Percentages
6. Number Series
7. Number System
8. Partnership
9. Simplification and Approximation
General Knowledge and Awareness :
1. Indian freedom struggle
2. Mughal Empire
3. Buddhism and Jainism
4. Budgeting Concepts
5. Science and Technology
6. Constitution Articles
7. Chief Ministers and Governors
8. Famous Sites in India
9. Indian towns on river banks
Technical Subject :- (Expected)
Production :
Basics of Fertilizer Production :
1. Introduction to Fertilizer Production
2. Raw Materials Used in Fertilizer Production
3. Overview of Fertilizer Manufacturing Processes
Chemical Processes :
1. Ammonia Synthesis
2. Urea Production
3. Ammonium Nitrate Production
4. NPK (Nitrogen, Phosphorus, Potassium) Fertilizers
Unit Operations :
1. Distillation
2. Absorption
3. Filtration
4. Crystallization
5. Drying
Heat Transfer :
1. Principles of Heat Transfer
2. Heat Exchangers
3. Cooling Towers
4. Condensers
Mass Transfer :
1. Principles of Mass Transfer
2. Absorption and Stripping
3. Distillation and Extraction
4. Gas-Liquid Contactors
Fluid Mechanics :
1. Fluid Flow
2. Pressure Drop Calculations
3. Pumps and Compressors
4. Flow Measurement
Chemical Reaction Engineering :
1. Reaction Kinetics
2. Reactor Design
3. Catalysis
4. Process Optimization
Process Control :
1. Control Systems
2. Instrumentation
3. Automation in Production
4. Safety Systems
Quality Control and Assurance :
1. Quality Control Methods
2. Testing and Analysis
3. Standards and Specifications
4. Quality Assurance Practices
Maintenance of Production Equipment :
1. Preventive Maintenance
2. Troubleshooting
3. Equipment Calibration
4. Safety Practices in Maintenance
Safety and Environmental Engineering :
1. Safety Protocols
2. Hazard Analysis
3. Environmental Impact
4. Waste Management
IOCL Refineries Division Grade 4 Exam Pattern 2026
Duration : 120 Minutes
| S.No | Subject | No.of Question | Marks |
| 1 | Numerical Ability | 15 | 15 |
| 2 | General Awareness | 10 | 10 |
| 3 | Technical Subject | 75 | 75 |
| Total | 100 | 100 |
Exam Date : Notified Soon
Starting Date of Application Form : Notified Soon
Last Date of Application Form : Notified Soon
FAQs
Iocl Refineries Division Grade Iv 2026 Exam Syllabus Frequently Asked Questions (FAQ's)
Here at Toppersexam.com , you can practice a complete set of Imporatnt Questions (MCQ) along with a Free IOCL Refineries Division Grade IV MCQ designed by our expert faculty.
In this article Page, we have provided the required syllabus of the IOCL Refineries Division Grade IV exam.
Being familiar with IOCL Refineries Division Grade IV Exam Pattern will help you understand the types of questions asked, difficulty level of the exam and important topics that require your keen attention. It will also acquaint you with the marking scheme and time allotted to each Topics.
IOCL Refineries Division Grade IV syllabus pdf download option is available here which will help you to get the PDF saved in your device that you can access anytime. It consists of a complete syllabus of IOCL Refineries Division Grade IV which you can refer to while preparing for the exams.
IOCL Refineries Division Grade IV exam is not tough but it depends on your preparation. The candidates find the Subject not challenging. The dedicated preparation in the right direction will undoubtedly take you towards the goal.
The candidates must be well versed and acquainted with the syllabus and the exam pattern. Select the areas where improvement is required and schedule your preparation accordingly. To ace this exam, the applicants ought to maintain speed with high accuracy. Practicing previous years question papers will help you understand the exam pattern and the level of difficulty of the exam. You need to hone your strengths and improve upon your weaknesses. Toppersexam.com will aid you through the preparation and drive you to success. At Toppersexam.com, you can practice a complete set of test series along with a free IOCL Refineries Division Grade IV mock test designed by our expert faculty.
The syllabus of IOCL Refineries Division Grade IV Exam includes all topics that are important for the exam and are necessary for thorough preparation. Toppersexam provides a complete and updated syllabus with a detailed topic-wise breakdown.
You can download the complete IOCL Refineries Division Grade IV Exam syllabus PDF from toppersexam.com. The PDF is available free and includes a detailed list of topics, section-wise subjects, and weightage for better exam preparation.
Yes, IOCL Refineries Division Grade IV Exam has a topic-wise syllabus that includes all relevant subtopics. Toppersexam provides the detailed breakdown, helping candidates focus on high-weightage areas and avoid missing important sections.
Toppersexam ensures that the IOCL Refineries Division Grade IV syllabus is updated for 2026. The latest syllabus reflects current exam trends, question patterns, and updated topics as per official notifications.
The IOCL Refineries Division Grade IV Exam pattern includes details like the number of sections, total questions, marks distribution, and exam duration. Toppersexam provides a comprehensive guide on exam format, marking scheme, and question types.
Yes, the majority of questions in IOCL Refineries Division Grade IV Exam are MCQs. Toppersexam provides practice MCQs with answers to help candidates understand the question pattern and improve accuracy.
Yes, questions are divided section-wise. Toppersexam provides a clear guide on how many questions are asked per section and their difficulty level for effective preparation.
Yes, Toppersexam offers online mock tests that strictly follow the IOCL Refineries Division Grade IV Exam pattern. These mocks help candidates practice time management and get real-exam experience.
Yes, exam patterns can change over time. Toppersexam provides updated information on the latest exam pattern, question types, and section-wise changes.
Understanding the exam pattern is crucial for time management, question prioritization, and strategy planning. Toppersexam guides candidates on how to use the pattern effectively to maximize scores.
Start by dividing the syllabus into sections and prioritizing high-weightage topics. Toppersexam provides a preparation strategy, along with topic-wise tips and sample questions to make syllabus analysis easier.
Yes, focusing on high-weightage topics improves efficiency. Toppersexam highlights important topics, helping candidates prioritize sections for better performance.
Toppersexam provides a free downloadable PDF that includes both the syllabus and detailed exam pattern. This helps candidates study offline and revise efficiently.