PART 01 Key Lecture Notes

01 High-Pressure Gas Properties Table
02 Major Gases - Periodic Table

01 High-pressure gas classification, cryogenic containers, filling and residual gas containers, processing and filling equipment, decompression equipment, protective walls, Class 1 (Class 2) protection facilities, storage capacity, and specific equipment
02 Special manufacturing, emergency shutoff, alarm, discharge dam, double pipe, burial depth, open width, water pressure, spray water
03 Inspection / Pass Criteria
04 Acetylene
05 New container inspection
06 Reflux vs. Backfire Prevention
07 Compression prohibited / Stop operation / Compressor lubricant
08 HCN / C2H4O / C2H2
09 Quality Inspection Standards
10 Container manufacturing standards/tree, tree without tree/material/thickness/corrosion allowance
11 Re-inspection (container/specific equipment)
12 container colors (industrial/medical), text colors
13 Specific types of high-pressure gases
14 Specific Gases (Barrier, SV/Absorber/Regulator)
15 (Container Engraving/Container Accessories) Video
16 types of pipes
17 Vehicle Transport/Mixed Loads/Passengers/Driver Caution/Toxicity/Protection/Slaked Lime
18 Tank/breakwater/document folder fixed to vehicle
19 CNG Standards - Safety Factors, Firewalls, and Alarms
20 LPG Overview/Electric Expansion Joints [LPG Lesson 1]
21 Non-destructive/Ventilation/Automobile Containers, Filling/3505 [LPG 2nd Lecture]
22 (Piping/Painting/Fixing/Filling/Small Tanks)/Sales Business [LPG Top 3]
23 (Regulator Type/Features/Closing/SV Operation) Indication [LPG 4-Strength]
24 Piping Decision Low-Pressure, High-Pressure Design 4 Principles, Inclination/(-) Meaning, Loss Factors
25 Storage/Supplier Facility Equipment Inspector/LPG Charger Verification [LPG 5-Lesson]
26 LPG Supply Methods [LPG Lesson 6]
27 LNG, Types of Pipes, Main Pipe/Supply Pipe/Inner Pipe, User Supply Pipe [City Gas Lecture 1]
28 Wholesaler/Pressure Regulator/Stabilizer/Disassembly/AP [City Gas 2nd Class]
29 General city gas supply facilities/mixed pressure/static electricity/communication facilities [City gas 3 major]
30 Gas holder, detector, pressure regulator (inlet DP/outlet), pipe, protective plate (pole), line mark [City Gas 4-strong]
31 Usage Facilities/Inspection Items/Pressure Regulator SV/Pipe Construction [City Gas 5-Lead]
32 Ignition rating/combustion characteristics (LPG)
33 LPG, gas supply method, transport method
34 Compressors, pumps
35 Efficiency, power, pump abnormalities, and shaft sealing devices
36 Vaporizer/Mixer/Gas Holder (Pros and Cons of LPG Transport)
37 Gas Meter/Display/Usage Tolerance/Sensitivity Flow/Type, Features/Installation Standards, Attachment Standards/Law Amendments
38 (Classification of combustion devices/combustion method), supply and exhaust method, abnormal combustion condition (lifting), determination of pipe size
39 Pressure/Temperature Conversion
40 City gas (LNG, CH4)
41 City Gas Process (Manufacturing-Refining-Calorie Analysis-Odorant Addition-Supply)
42 Functions/Types/Structures, Characteristics by Type, 3 Characteristics Other than Static Characteristics
43 Static pressure chamber (installation precautions/drawings/nozzle output/nozzle change rate)
44 Insulation (Requirements/Types of Insulation/Packing Agent/Paint)
44-1 Piping materials, expansion joints, piping valves, piping markings, axial stress, circumferential stress
45 Mechanical terminology and heat treatment (non-heat treatment) methods for steel pipes
45-1 Metal materials (elemental influence/carbon content increase/decrease), high-temperature corrosion/low-temperature corrosion, carbon content of containers, ABC charging port type
46 Electrical Methods/Advantages and Disadvantages (Sacrificial Anode, External Power, Current Drain (Optional/Forced), T/B Distance)
47 High pressure equipment/wooden/wooden features/container v/grand nut
48 Insulation performance test (heat penetration) of ultra-low temperature containers (storage tanks)
49 Low-temperature insulation method for ultra-low temperature storage tanks (normal pressure/vacuum insulation)
50 Autoclave, High Pressure Reactor (NH3 Synthesis Tower/Petrochemical Reactor)
51 Refrigeration cycle, pH diagram, pi diagram, refrigeration effect, dryness
52 Refrigeration cycle (Carnot, reverse Carnot cycle)
53 Gas-liquefaction cycle
54 Ideal gas equation, Boyle-Charles law, gas constant R
55 Changes in the gas constant R value, Dalton partial pressure, Le Chatelier's law of mixed gases
56. The Zeroth, First, and Second Laws of Thermodynamics, Energy Balance/Conservation/Transfer Laws
57 Block diagram, basic units, automatic control operation, gas detector
58 Pressure gauge (primary/secondary), thermometer (contact/non-contact)
59 Liquid level gauge (function: display liquid level and check remaining amount in tank)
60 flow meter
61 SMS safety assessment, explosion rating, combustion calculation, theoretical air volume, excess air ratio
62 Air ratio, total calorific value, low calorific value, hazardous location, explosion-proof structure, BLEVE, UVCE
63 Summary of Important Gas Characteristics
64 Hydrogen Energy / Hydrogen Law

PART 02 Previous Exam Questions

01 Past exam questions by subject
1.
Gas Safety Management Act Previous Year's Exam Questions 1
2.
Gas Safety Management Act Previous Year's Exam Questions 2
3.
Gas Safety Management Act Previous Year's Exam Questions 3
4.
General Gas Exam Questions from Previous Years
5.
Gas Equipment Previous Year's Exam Questions (Equipment and Measuring Instruments)
02 Latest Past Exam Questions
The first latest past year's exam questions
The 2nd most recent past exam questions
3rd Latest Past Exam Questions
The 4th most recent past exam questions
The 5th most recent past exam questions
6th Latest Past Exam Questions
7th Latest Past Exam Questions
8th Hydrogen Law Reflection New Reflection Problems (Expected Problems)

PART 03 APPENDIX

01 Types and characteristics of gas
02 Image Collection
03 Comprehensive collection of calculation problems