The IOCL (Indian Oil Corporation Limited) Technical Apprentice Post Exam Syllabus is as follows:

Reasoning Ability
• Similarities and Differences.
• Problem Solving.
• Space Visualization.
• Judgement.
• Analysis.
• Visual Memory.
• Decision Making.
• Relationship Concepts.
• Discriminating Observation.
• Figure Classification.
• Arithmetical Number Series etc.

Numerical Ability
• Percentages.
• Averages.
• Simplification.
• Problems on Ages.
• Profit and Loss.
• Interest.
• Time & Work.
• Time & Distance.
• Boats & Streams.
• Pipes & Cisterns.
• Data Interpretation etc.

General Awareness
• Sports.
• Culture.
• History.
• Economic Scene.
• Geography.
• Indian Constitution.
• General Polity.
• Scientific Research.
• Current Events – International & National etc.

Electrical Engineering
• Network Analysis.
• Electrical Instrumentation.
• Electromagnetic Theory.
• Switch Gear and Protection.
• Power Electronics & Drives.
• Electronics Devices.
• Control Systems.
• Analog and Digital Electronics.
• Electrical Machines.
• Power System Analysis & Control.
• Power System Protection.
• Utilization of Electrical Energy.
• Power Systems etc.