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2026 Air Conditioning and Refrigeration Engineer Written Exam: 7-week Completion
2026 Air Conditioning and Refrigeration Engineer Written Exam: 7-week Completion
Description
Book Introduction
The air conditioning and refrigeration industry, a representative growth engine industry with recent rapid industrial development and improved economic and living standards, is a promising industry with great growth potential, with production scale and growth rate increasing significantly every year.
Accordingly, the demand for technical personnel who can design air conditioning and refrigeration equipment or supervise and guide technical personnel is increasing, and the high interest in the air conditioning and refrigeration field is leading to an increase in the number of applicants for qualification exams.

However, the Air Conditioning and Refrigeration Engineer exam has a high level of difficulty among the national technical qualification exams in related fields, and starting in 2022, the qualification content (examination subjects, question criteria, etc.) will be reorganized around the job based on the National Competency Standards (NCS) to improve the practicality and usability of national technical qualifications, so it is expected that it will not be easy to obtain the qualification.

This book is designed to help test takers who wish to obtain a certificate prepare for the revised exam by carefully analyzing the revised exam criteria and carefully selecting content and questions that may appear on the exam.

If you don't try, you won't get anything, and success only comes to those who constantly challenge themselves.
Don't hesitate because it's difficult. Take on the challenge right now with this book.
It will be a path that will take you one step closer to success.


I wish all of you who purchased this book success and endless growth.

index
Part 1.
Core Theory of Air Conditioning and Refrigeration Engineers
Chapter 1 Energy Management (Air Conditioning) 1
I.
The Basics of Air Conditioning
II.
properties of air
III.
Air conditioning load
IV.
Air conditioning method
V.
air conditioning unit
VI.
Ducts and fittings
VII.
heating
VIII.
Boiler operation and safety management
IX. Testing, Adjusting and Balancing (TAB)

Chapter 2 Air Conditioning and Refrigeration Design (Thermodynamics)
I.
Fundamentals of Thermodynamics
II.
Properties of pure substances
III.
ideal gas
IV.
First Law of Thermodynamics
V.
Second Law of Thermodynamics
VI.
Flow of gases and vapors
VII.
gas cycle
VIII.
steam power cycle

Chapter 3 Air Conditioning and Refrigeration Design (Refrigeration Engineering)
I.
The Basics of Refrigeration
II.
refrigeration cycle
III.
refrigerant
IV.
Refrigeration equipment (compressor, condenser, expansion valve, evaporator)
V.
Accessories
VI.
Testing and operation of refrigerators
VII.
Refrigeration load calculation

Chapter 4 Test Operation and Safety Management (Electrical Control)
I.
Basics of Electricity
II.
AC circuit
III.
electrical appliances
IV.
Electrical Measurement
V.
automatic control
VI.
Overview of Safety Management
VII.
High Pressure Gas Safety Management Act
VIII.
Machinery Installation Act
* Expected problems with refrigeration-related laws

Chapter 5 Maintenance Management (Plumbing General)
I.
Piping materials
II.
plumbing
III.
Plumbing City
IV.
Plumbing and sanitary facilities
V.
Air conditioning piping
VI.
Refrigeration equipment
VII.
gas facilities

Part 02.
Appendix 1.
Previous year's exam questions (before revision of exam criteria)
(2015~2021)

Part 03.
Appendix 2.
Previous year's exam questions (after revision of exam criteria)
(2022~2025)
GOODS SPECIFICS
- Date of issue: January 5, 2025
- Page count, weight, size: 1,038 pages | 188*257*44mm
- ISBN13: 9788968134265
- ISBN10: 896813426X

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