06 Previous Year's Exam Questions (2021-2025)
2021 Explanation and Answers
2022 Explanation and Answers
2023 Explanation and Answers
2024 Explanation and Answers
2025 Explanation and Answers

Downloadable past year exam questions (2014-2020)

You can download it from our website (www.inup.co.kr).
· 2014 1st Practical Test
· 2014 2nd Practical Test
· 2014 3rd Practical Exam
· 2015 1st Practical Test
· 2015 2nd Practical Test
· 2015 3rd Practical Exam
· 2016 1st Practical Test
· 2016 2nd Practical Test
· 2016 3rd Practical Exam
· 2017 1st Practical Exam
· 2017 2nd Practical Test
· 2017 3rd Practical Exam
· 2018 1st Practical Test
· 2018 2nd Practical Exam
· 2018 3rd Practical Exam
· 2019 1st Practical Exam
· 2019 2nd Practical Exam
· 2019 3rd Practical Exam
· 2020 1st and 2nd practice tests
· 2019 3rd Practical Exam
· 2019 4th Practical Exam

8 practice tests in preparation for CBT
You can experience the written exam questions as a CBT mock test on our website (www.inup.co.kr).


· First CBT written exam (first year, 2025)
· CBT Written Examination 2nd Session (3rd Session in 2025)
· CBT Written Examination 3rd Session (1st Session in 2024)
· 4th CBT written exam (3rd year, 2024)
· 5th CBT written exam (1st year, 2023)
· 6th CBT written exam (3rd year in 2023)
· 7th CBT Written Examination (1st Examination in 2022)
· 8th CBT Written Examination (3rd Annual Examination in 2022)
Electrical Engineer 5-Week Completion (Volume 1)
01 Electromagnetism
Chapter 1 Interpretation of Vectors
Expected exam questions

Chapter 2 Electrostatic Field in Vacuum (Ⅰ)
Electrostatic field in vacuum (Ⅱ)
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Chapter 3 Conductive Systems in Vacuum
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Chapter 4 Genome
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Chapter 5 Special Solutions for Electric Fields and Currents
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Chapter 6: The Electromagnetic Field (Ⅰ)
Static field (Ⅱ)
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Chapter 7: Magnetic Materials and Magnetic Circuits
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Chapter 8 Electromagnetic Induction and Inductance (Ⅰ)
Electromagnetic induction and inductance (Ⅱ)
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Chapter 9 Electromagnetic Fields
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02 Power Engineering
Chapter 1 Transmission Lines
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Chapter 2: Track Quality and Corona
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Chapter 3 Calculating Characteristic Values ​​of Transmission Lines
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Chapter 4 Stability
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Chapter 5 Fault Analysis
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Chapter 6 Neutral Grounding Method
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Chapter 7 Abnormal Voltage
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Chapter 8 Inductive Disability
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Chapter 9 Distribution Lines
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Chapter 10 Hydroelectric Power
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Chapter 11 Thermal Power Generation
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Chapter 12 Nuclear Power
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03 Electrical Equipment
Chapter 1 Direct Current Generator (Ⅰ)
DC motor (Ⅱ)
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Chapter 2 Synchronous
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Chapter 3 Transformers
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Chapter 4 Induction
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Chapter 5: AC Commutation
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Chapter 6 Rectifier
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04 Circuit Theory and Control Engineering
Part Ⅰ Circuit Theory
Chapter 1 DC Circuits
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Chapter 2 Sinusoidal AC
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Chapter 3 Basic AC Circuits
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Chapter 4 Alternating Current Power
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Chapter 5 Mutual Induction Circuit
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Chapter 6 General Linear Circuits
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Chapter 7 Multiphase AC
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Chapter 8 Symmetric Coordinate Method
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Chapter 9 Non-sinusoidal Waves
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Chapter 10 Two-terminal network
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Chapter 11 Four-terminal network
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Chapter 12 Distributed Integer Circuits
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Chapter 13 Transient Phenomena
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Part II Control Engineering
Chapter 1: Elements and Structure of Automatic Control Systems
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Chapter 2 Laplace Transforms
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Chapter 3 Transfer Function
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Chapter 4 Block Diagrams and Signal Flow Diagrams
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Chapter 5 Time-Domain Analysis of Automatic Control Systems
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Chapter 6 Frequency Domain Analysis
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Chapter 7 Stability of Linear Control Systems
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Chapter 8 Root Locus Method
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Chapter 9 State-Space Analysis
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Chapter 10 Time Response of Discrete Control Systems
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Chapter 11 Control Devices
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Chapter 12 Sequence Control
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Electrical Engineer 5-Week Course (Volume 2)
05 Electrical Installation Technical Standards
Chapter 1 General Provisions
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Chapter 2 Low-Voltage and High-Voltage Electrical Installations
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Chapter 3 Electrical equipment such as power plants, substations, and switching stations
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Chapter 4: Front Line
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Chapter 5 Indoor Wiring and Lighting Equipment
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Chapter 6 Other Electric Railway Equipment and Distributed Power Supply Equipment
Expected exam questions

"Short-term 5-week and 7-week study plans" provided.

A 5-week perfect preparation plan that allows you to prepare for the exam in a short period of time with a well-structured structure.
A 7-week, step-by-step plan to master the written exam, starting from the basics.
With the final national mock exam benefits, you can check your national ranking and even get a discount on practical training classes with scholarship benefits!

01 Key Summary
The key points of each unit are summarized by excluding difficult calculation processes and focusing on important result formulas.

02 Verification question
By applying basic core theories and formulas to actual problems, we aim to increase understanding and enhance adaptability when solving each problem.

03 Example Problems + Similar Problems
High-difficulty problems for each unit are presented separately as example problems and similar problems to enable training according to an appropriate solution strategy.

04 Expected Exam Questions
The expected exam questions are similar types of questions that are repeated and focused to encourage repetitive learning.

05 Previous Year's Exam Questions
We have included previous year's problems from recent years to ensure sufficient adaptation to the modified problem types.