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Railways NTPC (Technical Ability) Materials Science Question Bank Materials Science

  • question_answer
    Which of the following are fabricated using| engineering plastics?
    (1) Surface plate
    (2) Gears
    (3) Guide way for machine tools
    (4) Foundry patterns.                            
    Select the correct answer using the codes given below:
    Codes:

    A) 1, 2 and 3                     

    B) 1

    C) 2, 3 and 4                     

    D) 1, 2/3 and 4

    Correct Answer: C

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