This problem set is the definitive guide for those aiming to pass the High-Pressure Gas Transport Supervisor exam, featuring a carefully selected 200 questions. Detailed answer explanations are provided for all questions, based on legal regulations and scientific evidence, allowing you to efficiently develop the judgment and safety management skills necessary for passing. ■ Contents of this book: * Chapter 1: Laws and Regulations (Questions 1-100) * Purpose of the High-Pressure Gas Safety Act, transport standards (carrying yellow cards, loading methods for filled containers), display of warning signs ("High-Pressure Gas" signs), duties of transport supervisors, reporting obligations in case of accidents. * Chapter 2: Knowledge - Properties of Gases (Questions 101-150) * Definitions of compressed gases and liquefied gases, specific gravity of gases, flammability range, toxicity (permissible concentration), critical temperature and critical pressure, characteristics of decomposition-explosive gases. * Chapter 3: Knowledge - Safety Management Technology (Questions 151-200) * Structure of emergency shut-off devices, types and applications of fire extinguishers, selection of protective equipment (self-contained breathing apparatus, gas masks), methods of leak detection, basic flow of emergency measures. ■ Features of this book: * Scientifically explains "properties of gases" * Logically organizes the dangers of each gas, from physical bases such as "why is the molecular weight less than 29 lighter than air?" * Covers important points of "transport standards" * Systematically learns what safety materials (disaster prevention tools, fire extinguishers, sunshades, etc.) are needed depending on the type and quantity of gas being transported. * Case study questions to cultivate "emergency response skills" * Provides explanations based on guidelines on how to take measures while ensuring the safety of the surroundings in the event of a gas leak or fire during transport.