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SSW (Tokutei Ginou) Manufacturing (Metal Surface Treatment) Skill Test: Free Practice Questions

Free practice for the Specified Skilled Worker (i) skill test (Tokutei Ginou No. 1) in Manufacturing (Metal Surface Treatment). Answer 322 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 for metal surface treatment (kinzoku hyomen shori), the plating test or the Tokutei Ginou manufacturing exam.

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What you get

Test topics (12 chapters)

  1. Safety and Health
  2. Quality Control
  3. General Knowledge
  4. Pollution Prevention
  5. Measurement and Inspection
  6. Materials
  7. General Chemistry
  8. Electricity
  9. Metal Surface Treatment (Purposes and Types)
  10. Plating
  11. Aluminum Anodizing
  12. Buffing

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. 02General 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.

  3. 03Measurement and Inspection

    塩水えんすい噴霧ふんむ試験しけんを、条件じょうけんが厳きびしい順じゅんに並ならべたものはどれですか。

    English translation
    Which shows the salt spray tests in order from the most severe conditions?

    1. 中性ちゅうせい塩水えんすい噴霧ふんむ＞酢酸さくさん酸性さんせい塩水えんすい噴霧ふんむ＞キャス
      Neutral salt spray > acetic acid salt spray > CASS
    2. 酢酸さくさん酸性さんせい塩水えんすい噴霧ふんむ＞キャス＞中性ちゅうせい塩水えんすい噴霧ふんむ
      Acetic acid salt spray > CASS > neutral salt spray
    3. キャス＞中性ちゅうせい塩水えんすい噴霧ふんむ＞酢酸さくさん酸性さんせい塩水えんすい噴霧ふんむ
      CASS > neutral salt spray > acetic acid salt spray
    4. キャス＞酢酸さくさん酸性さんせい塩水えんすい噴霧ふんむ＞中性ちゅうせい塩水えんすい噴霧ふんむ
      CASS > acetic acid salt spray > neutral salt spray
    Show answer

    Answer 4 キャス＞酢酸さくさん酸性さんせい塩水えんすい噴霧ふんむ＞中性ちゅうせい塩水えんすい噴霧ふんむ — CASS > acetic acid salt spray > neutral salt spray

    Explanation
    The CASS test is the most severe, and the neutral salt spray test is the mildest. The acetic acid salt spray test is in between.

  4. 04General Chemistry

    二酸化炭素にさんかたんそ（CO2）は、塩基性えんきせい酸化物さんかぶつである。

    English translation
    Carbon dioxide (CO2) is a basic oxide.

    1. ○
      True
    2. ×
      False
    Show answer

    Answer 2 × — False

    Explanation
    Carbon dioxide is an acidic oxide, and it reacts with bases to make salts. Basic oxides are calcium oxide and similar.

  5. 05Metal Surface Treatment (Purposes and Types)

    PVDは、化学かがく蒸着じょうちゃく法ほうのことである。

    English translation
    PVD means chemical vapor deposition.

    1. ○
      True
    2. ×
      False
    Show answer

    Answer 2 × — False

    Explanation
    Incorrect. PVD is physical vapor deposition. Chemical vapor deposition is CVD.

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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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