A IOCL Refineries Division Grade IV 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 Refineries Division Grade IV Free Mock Test
Crack the IOCL Refineries Division Grade IV Mock Test 2026 with the help of an online Test series or a free mock test. Every sample paper in the IOCL Refineries Division Grade IV Exam has a designated weight, so do not miss out on any paper. Prepare for the IOCL Refineries Division Grade IV mock test and check your test scores.
IOCL Refineries Division Grade IV Syllabus 2026, Exam Pattern
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
IOCL Refineries Division Grade 4 Exam Free Online Test Series
Crack IOCL Refineries Division Grade 4 Recruitment exam 2026 with the help of Online mock test Series or Free Mock Test. Every Sample Paper in IOCL Jr Engineering Assistant-IV (Production) Exam has a designated weightage so do not miss out any Paper. Preprare and Practice Mock for IOCL Refineries Division Non Executive exam and check your test scores.
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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 →IOCL Refineries Division Grade IV Exam Free Online Question Bank
IOCL Refineries Division Grade IV question answer with solutions are available in Hindi & English. Join MCQ, Important Questions, Question Bank, questions and answers for Free IOCL Refineries Division Grade IV exam preparation.
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IOCL Refineries Division Grade 4 Exam (Production) - Hindi100 questions • 120 mins • 100 marks
Free Questions →2
IOCL Refineries Division Grade 4 Exam (Production) - English100 questions • 120 mins • 100 marks
Free Questions →Combo Offers
IOCL Refineries Division Grade IV Combo Packages
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4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
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Combo - 3 (Hindi)
1. Online Mock Test Series in Hindi = 12 Tests.
2. Question Bank - 1500 Questions with Answer.
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4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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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.
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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
FAQs
Iocl Refineries Division Grade Iv 2026 Free Mock Test Frequently Asked Questions (FAQ's)
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