危険物取扱者 乙4 試験対策 アプリ -オンスクJP

3.3
18 reviews
10K+
Downloads
Content rating
Everyone
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About this app

The exercises for this application will be created in March 2019.
Although important parts of the exam have been taken up from the contents of the past main exam, some of the latest contents of the main exam may not be supported depending on the timing of attendance and examination.

This is a learning app for the popular national qualification "Dangerous Goods Handler Class B Class 4" that can be used in various workplaces that handle dangerous goods such as gas stations, chemical factories, and tank trucks.

------- Main app functions ----------

● Problem exercises
◇ 356 questions recorded
◎ Exercises for beginners are provided free of charge, and intermediate and advanced questions are charged.

◇ "Thematic" mode
When you select a theme to study, you can challenge the problem of that theme.

◇ "Miss problem"
Equipped with a function to extract and ask questions only for problems that were mistaken in the past. It is possible to overcome weaknesses efficiently. Twice

◇ "Check problem" (bookmark)
You can call only the questions you have checked and challenge repeatedly.

◇ "Test function"
You can challenge with 3 patterns of 10, 15 and 30 questions.
Since the questions are given randomly, you can easily challenge yourself as if you were playing a game.

● Lecture video
◇ Orientation, introductory lecture, 1st main story recorded

----- Onsk Hazardous Materials Handling Class B 4 App Overview ------

● Lecturer in charge
Lecture / Questioner: Tetsuro Ishihara

● Number of lectures
Orientation, introductory lecture, main part 1st, all 3 times recorded

● Number of exercises
356 questions recorded

● Chapter
-------------------------------------------------- ----------------------------------
1 Laws and regulations regarding dangerous goods (decrees)
-------------------------------------------------- ----------------------------------
1-1 Dangerous goods under the Fire Service Act
1-2 Specified quantity
1-3 Classification of dangerous goods facilities, temporary storage / temporary handling
1-4 Permits and procedures for factories, etc. (1) Installation / change of facilities and start of use
1-5 Permits and procedures for factories, etc. (2) Completion inspection, etc.
1-6 Hazardous materials handler system (1) Hazardous materials handler / diploma, security training
1-7 Dangerous goods handler system (2) Dangerous goods safety general manager, dangerous goods safety supervisor, etc.
1-8 Preventive regulations, regular inspections, security inspections
1-9 Location / Structure / Equipment Standards of Manufacturing Plants (1) Manufacturing Plants
1-10 Location, structure, equipment standards of factories, etc. (2) Indoor storage, outdoor tank storage
1-11 Location, structure, equipment standards of factories, etc. (3) Indoor tanks, underground tanks, simple tank storage
1-12 Location, structure, equipment standards of factories, etc. (4) Mobile tank storage, outdoor storage, refueling office
1-13 Location, structure, equipment standards of factories, etc. (5) Sales offices, transfer offices, general offices / signs, bulletin boards
1-14 Standards for fire extinguishing equipment, alarm equipment, and evacuation equipment
1-15 Criteria for "storage" of dangerous goods
1-16 Criteria for "handling" of dangerous goods
1-17 Standards for transportation
1-18 Measures for breach of duty, measures in the event of an accident
-------------------------------------------------- ----------------------------------
2 Basic physics and basic chemistry (materialization)
-------------------------------------------------- ----------------------------------
2-1 Changes in the state of matter (1) Three states of matter
2-2 State change of substance (2) Melting point / heat of fusion, boiling point / heat of vaporization, etc.
2-3 Water properties, specific gravity (density)
2-4 Boyle's law, Charles's law, etc.
2-5 Heat-Temperature, calorific value, specific heat
2-6 Heat transfer / thermal expansion
2-7 Prevention of static electricity and disasters ・ Humidity
2-8 Physical change and chemical change / morphology of chemical change
2-9 Chemical classification of physical changes
2-10 Atoms and molecules, chemical formulas and chemical reaction formulas
2-11 Basic Law of Chemistry / Thermochemistry
2-12 Inorganic Chemistry (1) Acid and Base / Hydrogen Ion Index
2-13 Inorganic chemistry (2) Oxidation and reduction, metal and non-metal organic chemistry, organic compounds
2-14 Definition and principle of combustion
2-15 How to burn
2-16 Characteristics of dangerous goods Flash point / ignition point / combustion range
2-17 Danger of substances / danger of ignition
2-18 Fire extinguishing method 3 elements and 4 elements of fire extinguishing
2-19 Types of fires and fire extinguishing agents
-------------------------------------------------- ----------------------------------
3 Properties of dangerous goods and methods for fire prevention and extinguishing (sex extinguishing)
-------------------------------------------------- ----------------------------------
3-1 Introduction to each type of dangerous goods
3-2 Properties and characteristics of each type of dangerous goods
3-3 Class 4 Dangerous Goods Fire Prevention and Extinguishing Method Class 4 Dangerous Goods Classification
3-4 Class 4 Dangerous Goods (1) Special Flammable Goods
3-5 Class 4 Dangerous Goods (2) Class 1 Petroleum / Alcohol
3-6 Class 4 Dangerous Goods (3) Class 2 Petroleum and Class 3 Petroleum
3-7 Class 4 Dangerous Goods (4) Class 4 Petroleum, Animal and Vegetable Oils

----- Hazardous materials handler What kind of qualification is Class B Class 4? ------

"Required qualification for facilities handling dangerous goods"
At facilities such as chemical plants and warehouses that store and handle more than a certain amount of dangerous goods, gas stations, oil storage tanks, tank trucks, etc., there must be a dangerous goods handler (Class B 4) to handle dangerous goods. However, it is an essential qualification (national qualification) for companies that handle dangerous goods.

"Knowledge of handling dangerous goods is useful in daily life"
Dangerous goods are items with a high risk of fire, and range from gasoline, kerosene, light oil, etc., which are familiar to us in our daily lives, to cooking oil. Knowledge of handling dangerous materials is very useful in daily life, such as prevention of fires and countermeasures in the event of a fire.

"For employment / change of job / career advancement"
There are various industries and industries that require hazardous materials handlers (class B 4), such as manufacturing, logistics, and gas stations, and having a national qualification as a hazardous materials handler is advantageous for finding employment or changing jobs. Becoming a qualified person within a company will lead to career advancement.


----- Recommended for people like this ------

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・ Persons who have acquired the qualification of Hazardous Materials Dealer Otsu 4 in the past but want to review and win the pass again
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・ Those who have already started studying for Otsushi's exam with past questions, textbooks, etc. and want to further improve their skills during travel time
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・ Those who are looking for a test study app for the Class B 4 test, not just the text
・ Professionals who want to shorten their study time with the qualification textbook and problem collection app that can be used for free like a game.
Updated on
Jan 16, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Data is encrypted in transit
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Ratings and reviews

3.3
18 reviews

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