IOCL Exam Syllabus 2025

As the syllabus for the IOCL Apprentice has not been officially released, the following is the anticipated syllabus based on the previous year. The expected syllabus for the IOCL Apprentice 2025 exam is as follows:

General Knowledge
1	Famous Books, Authors, & Personalities.
2	History
3	Constitution
4	Geography
5	Economy
6	Art & Culture
7	Current Affairs
8	Sports
9	Awards & Honors
10	Famous Personalities
11	Countries, State, & Capitals
12	Science & Technology
General English
1	Vocabulary
2	Antonyms & Synonyms
3	Idioms & Phrases
4	Reading Comprehension
5	Error Detection/Correction
6	Fill in the blanks
7	Sentence Rearrangement
8	Word/Phrase Replacement
9	Subject-Verb Agreement
10	Prepositions
11	Verbs
12	Articles
13	Adjectives
15	Active & Passive Voice
Reasoning
1	Verbal and Non-verbal Reasoning
2	Arithmetic Reasoning
3	Alphanumeric Reasoning
4	Blood Relations
5	Data Interpretation & Analysis
6	Data Sufficiency
7	Analytical Reasoning
8	Syllogism
9	Decision Making
10	Visual Reasoning
11	Problem Solving
12	Classification
13	Clocks and calendars
General Aptitude
1	Number system
2	HCF & LCM
3	Average
4	Percentage
5	Profit & Loss
6	Ratio & Proportion
7	Simple & Compound Interest
8	Time and distance
9	Time and work
10	Problems on ages
11	Pipes and cisterns
12	Mixture and allegation
13	Probability
14	Permutation and combination
15	Logarithm
16	Boats and streams
17	Square and cube roots
18	Surds and indices
19	Mensuration
Electrical
1	Analog and Digital Electronics
2	Control Systems
3	Electromagnetic Theory
4	Electronics Devices
5	Electrical Instrumentation
6	Electrical Machines
7	Network Analysis
8	Power Electronics & Drives
9	Power System Analysis & Control
10	Power System Protection
11	Switchgear and Protection
12	Utilization of Electrical Energy
Electronics and Instrumentation
1	Analog Electronics
2	Analytical, Optical and Biomedical Instrumentation
3	Control Systems and Process Control
4	Digital Electronics
5	Basics of Circuits and Measurement Systems
6	Transducers, Mechanical Measurement and Industrial Instrumentation
7	Signals, Systems, and Communications
8	Electrical and Electronic Measurements
Chemical Engineering
1	Atoms and Molecules
2	Electrochemistry
3	Photochemistry
4	Reaction Dynamics
5	Organic Reactions
6	Spectroscopic Techniques
7	Transition Metal Chemistry
8	Stereochemistry
Electronics & Communication
1	Analog & Digital Communications
2	Analog Circuits
3	Control Systems
4	Digital circuits
5	Electronic Devices
6	Electromagnetics
7	Engineering in Mathematics
8	Signals and Systems
9	Networks