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SSW (Tokutei Ginou) Manufacturing (Machining & Metal) Skill Test: Free Practice Questions

Free practice for the Specified Skilled Worker (i) skill test (Tokutei Ginou No. 1) in Manufacturing (Machining & Metal). Answer 302 original questions in Japanese, like the real test, and read an English explanation after each one. Use it as your reviewer and mock test on your phone.

It is also called the SSW industrial product manufacturing test, the machining and metal processing (kikai kinzoku kakou) exam or the Tokutei Ginou manufacturing exam.

Start practicing (free)

What you get

Test topics (9 chapters)

  1. Safety and Health
  2. Quality Control
  3. General Knowledge
  4. Inspection
  5. Measurement
  6. Technical Drawing
  7. Machine Operation and Management
  8. Metal Materials and Metalworking
  9. Electrical Equipment, Molding, Painting, Packaging and Aluminum

The real test format

40 questions in 80 minutes, the same as the real test. To pass the real test, you need 20 or more in the academic part and 6 or more in the practical part.

Official SSW test information

Try 5 sample questions

Questions are in Japanese with furigana, like the real test. The English translation is below each question. Tap “Show answer” to see the answer and explanation.

  1. 01Safety and Health

    機械きかいのガードやカバーは、作業さぎょうがしにくいときは外はずしてもよい。

    English translation
    You may remove a machine guard or cover when it makes the work hard to do.

    1. ○
      True
    2. ×
      False
    Show answer

    Answer 2 × — False

    Explanation
    Guards and covers are safety devices to prevent accidents. Never remove them.

  2. 02Quality Control

    JISは「日本産業規格にほんさんぎょうきかく」のことである。

    English translation
    JIS means "Japanese Industrial Standards".

    1. ○
      True
    2. ×
      False
    Show answer

    Answer 1 ○ — True

    Explanation
    JIS are the standards decided in Japan. The name comes from the first letters of the English name.

  3. 03General Knowledge

    pHの値あたいが小ちいさいほど、酸性さんせいは強つよくなる。

    English translation
    The smaller the pH value, the stronger the acidity.

    1. ○
      True
    2. ×
      False
    Show answer

    Answer 1 ○ — True

    Explanation
    pH 7 is neutral. Below 7 is acidic, and the smaller the number, the stronger the acid.

  4. 04Inspection

    検査けんさに合格ごうかくしたものを、不適合ふてきごう品ひんという。

    English translation
    Items that pass inspection are called nonconforming products.

    1. ○
      True
    2. ×
      False
    Show answer

    Answer 2 × — False

    Explanation
    Items that pass are conforming products (good products). Items that fail are nonconforming products (defective products).

  5. 05Machine Operation and Management

    グラインダーを使つかう前まえに行おこなう確認かくにんは、どれですか。

    English translation
    Which is a check to do before using a grinder?

    1. 砥石といしにヒビや割われがないか目めで見みて、軽かるく空転くうてんさせる
      Look for cracks in the wheel, and run it lightly with no load
    2. 砥石といしの側面そくめんを材料ざいりょうに強つよく当あてて、割われないか試ためす
      Press the side of the wheel hard on material to see if it breaks
    3. 砥石といしのヒビが小ちいさければ、そのまま作業さぎょうに使つかう
      If the crack in the wheel is small, use it for work as it is
    4. 確認かくにんは使つかい終おわったあとに、まとめて行おこなう
      Do all checks together after you finish using it
    Show answer

    Answer 1 砥石といしにヒビや割われがないか目めで見みて、軽かるく空転くうてんさせる — Look for cracks in the wheel, and run it lightly with no load

    Explanation
    If a grinding wheel has cracks, it can break and fly apart while turning at high speed. Before use, check by eye, run it lightly with no load, and see that it is attached correctly.

Keep practicing all 302 questions

Start practicing (free)

FAQ

Is it free?
Yes. All questions, explanations and the mock test are free. You don’t need to sign up, and you can practice as many times as you like.
Can I use it on my phone?
Yes. It is made for phones. Your progress is saved in your phone’s browser.
Are these past exam questions?
No. Past exam questions (past papers) of the SSW skill tests are not made public. All questions here are original questions by Zutto Nihon, written to follow the official study texts and the published test topics. They help you learn what the real test covers.
Is there a PDF?
This SSW (i) practice drill has no PDF version. You can answer the questions right on your phone, free, as many times as you like.
What language is the real test in?
It depends on the field and the country. In some fields, such as nursing care (Kaigo) and agriculture, you may be able to take the test in a language other than Japanese. Please check the latest information on the official website.

Industrial product manufacturing

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