CHAPTER 01: Basics of Refrigeration and Mathematics
01.
frozen foundation
02.
Mathematical Fundamentals

CHAPTER 02 Basic Thermodynamics
01.
Units, pressure, temperature
*Unit review problem solving
02.
Calories and specific heat
03.
Sensible heat, latent heat, and heat capacity
*Unit review problem solving
04.
steam
*Unit review problem solving
05.
Work and power
*Unit review problem solving
06.
Thermodynamics Terminology (Density, Specific Gravity, Specific Volume, Atoms and Molecules)
07.
laws of thermodynamics
*Unit review problem solving
08.
Ideal gases and real gases
*Unit review problem solving
09.
Changes in the state of a gas (isothermal process, adiabatic process, polytropic process)
*Unit review problem solving
10.
battle line
*Unit review problem solving

CHAPTER 03 Refrigeration Engineering (Refrigeration Equipment)
01.
Refrigeration principle
*Unit review problem solving
02.
Refrigeration Lead and Cycle
*Unit review problem solving
03.
refrigerant
*Unit review problem solving
04.
low temperature freezer
*Unit review problem solving
05.
Compressor structure and characteristics
*Unit review problem solving
06.
Condenser structure and characteristics
*Unit review problem solving
07.
evaporator
*Unit review problem solving
08.
expansion valve
*Unit review problem solving
09.
Refrigerator automatic control and other accessories
*Unit review problem solving

CHAPTER 04 Air Conditioning (Air Conditioning Equipment)
01.
Overview of Air Conditioning
*Unit review problem solving
02.
Changes in the state of moist air
*Unit review problem solving
03.
Air conditioning load calculation
*Unit review problem solving
04.
Air conditioning methods and types
05.
Components of a central air conditioning system
*Unit review problem solving
06.
Ducts and accessories
07.
exhaust and intake ports
08.
ventilation equipment
*Unit review problem solving

CHAPTER 05 Boiler and Heating Equipment (Air Conditioning and Refrigeration Installation and Operation)
01.
boiler
02.
Boiler Features
03.
Heating equipment
*Unit review problem solving

CHAPTER 06 General Piping (Air Conditioning and Refrigeration Installation and Operation)
01.
Piping materials
*Unit review problem solving

CHAPTER 07 Electrical Control Engineering (Air Conditioning and Refrigeration Installation and Operation)
01.
DC circuit
02.
AC circuit
03.
Non-sinusoidal exchange
04.
AC power
05.
Measurement of electricity (measurement of electricity and electronics)
06.
Sequence control (qualitative control)
*Unit review problem solving

CHAPTER 08 Safety Management
01.
Accident rate
02.
Safety inspection
03.
Safety equipment (protective gear)
04.
Safety precautions when handling tools
05.
Welding work and electrical installation
06.
Boiler safety management
07.
Refrigerator Safety Management
*Unit review problem solving

Appendix: Previous Year's Exam Questions for Air Conditioning and Refrigeration Engineers
[2012]
Previous Year's Exam Questions (Implemented on February 12th)
Previous Year's Exam Questions (Implemented on 04.08)
Previous Year's Exam Questions (Implemented on July 22)
Previous Year's Exam Questions (Implemented October 20)
[2013]
Previous Year's Exam Questions (Enforced on January 27)
Previous Year's Exam Questions (Implemented on April 14)
Previous Year's Exam Questions (Implemented on July 21)
Previous Year's Exam Questions (Implemented on October 12)
[2014]
Previous Year's Exam Questions (Enforced on January 26)
Previous Year's Exam Questions (Enforced on April 6)
Previous Year's Exam Questions (Implemented on July 20)
Previous Year's Exam Questions (Implemented October 11)
[2015]
Previous Year's Exam Questions (Enforced on January 25th)
Previous Year's Exam Questions (Implemented on April 4, 2004)
Previous Year's Exam Questions (Implemented July 19)
Previous Year's Exam Questions (Implemented October 10)
[2016]
Previous Year's Exam Questions (Enforced on January 24th)
Previous Year's Exam Questions (Implemented on 04.02)
Previous Year's Exam Questions (Implemented on July 10th)
Previous Year's Exam Questions (Enforced on 10/01) [Restored Past Exam Questions]

Appendix: Air Conditioning and Refrigeration Machinery Engineer CBT Past Exam Questions
CBT 1st exam questions restored
CBT 2nd Previous Exam Questions
CBT 3rd Previous Exam Questions
CBT 4th Past Exam Questions
CBT 5th Past Exam Questions

※What are past exam questions?
This is a problem that the author has restored to its original form as closely as possible with the help of examinees.
We will continue to strive for a high accuracy rate.