危険物取扱者 乙4 2023年 危険物乙4 物理・化学編

Hazardous Materials Handler Exhibit Otsu 4 Posts the past questions required to pass! You can efficiently study the fields of "basic physics and basic chemistry". Ideal for a comprehensive check of knowledge with detailed answer explanations!

[App description]

It is a past paper collection application for passing the dangerous materials handler (Class B 4).

Moreover, all with explanations!

With this app, you can study efficiently by specializing in the "basic physics and basic chemistry" fields that frequently appear in the Hazardous Materials Operator B4 exam.

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[What is a hazardous materials handler]

A dangerous goods handler is a national qualification required to handle dangerous goods specified by the Fire Service Act.

There are three types of qualifications, which can be divided into "Koushu", "Otsushu", and "Heishu".

The most popular of these is Class B, which is the target of this app.

If you have acquired the qualifications of various hazardous materials handlers

It will be advantageous to get a job in a chemical factory, fuel / paint related, printing related, etc.

Class B exam subjects

・ "Law concerning dangerous goods"

・ "Basic physics and basic chemistry"

・ "The nature of dangerous goods and their fire prevention and extinguishing methods"

It has become.

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[What is Class B Class 4 Hazardous Materials Handling]

The most well-known qualification of a hazardous materials handler who is considered to be advantageous for employment is a hazardous materials handler (class B 4).

Generally, it is called "Otsu 4" or "Dangerous Goods Otsu 4".

Dangerous Goods B4 is a national examination, but it is popular with many people because it is relatively easy to obtain.

(1-1. Dangerous Goods B4 is a qualification that can handle and manage flammable liquids!)

There are a total of 6 types of hazardous materials handlers, and the fourth is the qualification to handle and manage flammable liquids. Flammable liquids include gasoline, kerosene, light oil, ethanol, etc., and it is possible to manage facilities and factories that handle such liquids.

(1-2. Dangerous Goods B4 is a qualification that has a high pass rate and is easy to acquire!)

Dangerous Goods B4 is a national qualification with a high pass rate. It is said that more than 80% of people pass the exam on average, so it can be said that it is an easy qualification to challenge.

All exams are optional questions, so anyone can pass by memorizing important words, basic physics formulas, laws and regulations.

If you study hard, passing one shot is not a dream.

(1-3. Dangerous Goods B4 is a qualification that helps you to obtain a higher level qualification!)

The highest level of qualifications for hazardous materials handlers is "Certified Hazardous Materials Operator Class A".

To obtain this qualification,

・ Obtain credits and degrees related to chemistry at university

・ Obtain a Class B qualification and gain more than 2 years of work experience

・ Obtain 4 or more types of B-class qualifications

One of these conditions must be met.

Therefore, by keeping the Dangerous Goods B4 qualification, which is relatively easy to obtain, it will be easier to aim for further improvement as a dangerous goods handler.

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[What kind of place is the place of employment where Dangerous Goods B4 is useful? ]

Once you have Dangerous Goods B4, you will want to find a job where you can use your qualifications.

What are the occupations in which Dangerous Goods B4 is useful?

Let me introduce four types.

·gas station

Gas stations are the number one place to work where Dangerous Goods B4 is useful. There are many gas stations that give preferential treatment to Dangerous Goods B4 qualification holders.

If you have Dangerous Goods B4, you can manage the gas station.

Even if you work at a gas station as a part-time job, having Dangerous Goods B4 will give you an advantage in finding a job.

・ Tank lorry driver

If you have Dangerous Goods B4, you can get a job as a driver of a tank truck. The main task is to transport the fuel liquid to factories, stands and cleaning offices. Currently, crude oil is one of the main fuels, so you can do stable work regardless of the economy.

Some companies have an annual income of at least 4.2 million yen, so it is a profession that can be expected to earn a relatively high income.

・ Building management work

A qualification as a hazardous materials handler is also required when working as a building equipment manager or as a grand manager / assistant manager for condominiums.

Although it depends on the job offer, some management companies require the Dangerous Goods B4 qualification, so it will be advantageous when looking for a job.

・ Various factories

The Dangerous Goods B4 qualification is also useful in factories that manufacture various products.

Chemical factory

Metal smelting factory

Plating factory

Semiconductor manufacturing factory

You will be able to use your qualification as a hazardous materials handler.

At the factory, firefighting and other audits are conducted on a regular basis, so human resources with the correct awareness of crisis management are required.

Therefore, there is a good chance that your Dangerous Goods B4 qualification will be useful.

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【measures】

In this app, we think that "how to learn efficiently in a short amount of time" is the main principle of passing Dangerous Goods B4, and we recommend a style that allows you to check the answer explanation immediately.

In order to study efficiently, please check the answer (explanation) immediately instead of thinking about the problem you do not understand.

Due to the structure of the exam, similar knowledge questions are asked every year, so it is effective enough to read the explanation and memorize the solution and the correct option.

Even if you solve and understand the problem once, you will always forget it, so please use it anytime and anywhere for a short time and practice the problems recorded in this app repeatedly until you deepen your understanding.

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The following apps are being released as sister versions of this app.

Please use all means.

Dangerous Goods B4 Law Edition

Dangerous Goods B4 Fire Extinguishing / Properties

We pray for your success.