preface
NCS Guide

PART 1.
Air conditioning and refrigeration safety management
Chapter 1.
Overview of Safety Management
Chapter 2.
Refrigeration-related laws and safety
Chapter 3.
Industrial Safety and Health Act
Chapter 4, Safety Management of Machinery
Chapter 5: Safety Rules for Using Protective Equipment
Chapter 6, Safety Management in Welding Work
Chapter 7, Electrical and Fire Safety Management
Chapter 8, Boiler Safety Management
Chapter 9, Refrigerator Safety Management

PART 2.
Basic Thermodynamics
Chapter 1: Definition and Introduction to Thermodynamics
Chapter 2, Systems and Moving Matter
Chapter 3, States and Properties
Chapter 4, Various Physical Quantities
Chapter 5, Major International Units (SI Units)
Chapter 6, Process and Cycle
Chapter 7, Specific heat, heat capacity, power, and thermal efficiency

PART 3.
Refrigeration machinery
Chapter 1.
The Basics of Refrigeration
Chapter 2.
Refrigerants and lubricants (refrigerating oil)
Chapter 3.
refrigeration cycle
Chapter 4.
Types of refrigeration equipment
Chapter 5.
Structure of the refrigeration unit
Chapter 6.
Applications of refrigeration equipment

PART 4.
General plumbing
Chapter 1.
Manual processing and measurement
Chapter 2.
Types and uses of plumbing tools and machines
Chapter 3.
coffin
Chapter 4.
Piping materials
Chapter 5.
Method of joining (connecting) pipes
Chapter 6.
Insulation and paint
Chapter 7.
Types and Features of Valves
Chapter 8.
City symbols for pipes (KS B 0051-1990)

PART 5.
General Electricity
Chapter 1.
DC circuit
Chapter 2.
AC circuit
Chapter 3.
3-phase AC circuit
Chapter 4.
Electricity and Magnetism
Chapter 5.
Structure, principles, and operation of electrical equipment
Chapter 6.
Sequence control
Chapter 7.
Electrical Measurement

PART 6.
air conditioning
Chapter 1.
Overview of Air Conditioning
Chapter 2.
The nature and state of air
Chapter 3.
The nature and state of heat
Chapter 4.
Humid air leader
Chapter 5.
Air conditioning load
Chapter 6.
Air conditioning system
Chapter 7.
air conditioning equipment
Chapter 8.
Ducts and duct accessories
Chapter 9.
Classification of heating and cooling systems

Appendix Related Materials
Chapter 1.
Equipment maintenance
Chapter 2.
Risk analysis and safety assessment
Chapter 3.
International System of Units
Chapter 4.
Unit conversion table
Chapter 5.
Sequence control character symbol
Chapter 6.
How to read special characters
Chapter 7.
Trigonometric formulas
Chapter 8.
Welding symbol

■ Features and publisher reviews

1.
Systematically organized from basic theory to practical theory
2.
Improve practical skills through pictures and diagrams linked to theory.
3.
Cultivate practical application skills and application capabilities through video lectures.
4.
Improve your concentration with vivid, high-quality lectures
5.
Developing field technicians' ability to maintain equipment