स्टीलमध्ये कार्बनचे प्रमाण किती असते?

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ALP CBT 2 Fitter Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. 2% पेक्षा कमी
  2. 50% पेक्षा जास्त
  3. 2% पेक्षा जास्त
  4. 100%

Answer (Detailed Solution Below)

Option 1 : 2% पेक्षा कमी
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Detailed Solution

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स्पष्टीकरण:

  • सामान्य कार्बन स्टील हे लोह आणि कार्बनचे मिश्र धातु आहे.
  • यात चांगली यंत्रक्षमता आणि लवचिकता आहे.
  • कार्बनच्या टक्केवारीच्या बाबतीत ते कास्ट आयर्नपेक्षा वेगळे आहे.
  • त्यात 0.06 ते 1.5% कार्बन असतो तर कास्ट लोहामध्ये 1.8 ते 4.2%. कार्बन असतो.
  • कार्बन सामग्रीवर अवलंबून, सामान्य कार्बन स्टीलला खालील प्रकारांमध्ये विभागले जाऊ शकते:
    • मृत कार्बन स्टील - 0.15% कार्बन पर्यंत
    • कमी कार्बन किंवा सौम्य स्टील - 0.15% ते 0.45% कार्बन
    • मध्यम कार्बन स्टील - 0.45% ते 0.8% कार्बन
    • उच्च कार्बन स्टील - 0.8% ते 1.5% कार्बन

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