Materials Science and Manufacturing Engineering Miscellaneous


Materials Science and Manufacturing Engineering Miscellaneous

Materials Science and Manufacturing Engineering

  1. Green sand mould indicates that









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    mould has been totally dried

    Correct Option: B

    mould has been totally dried


  1. While cooling, a cubical casting of side 40 mm undergoes 3%, 4% and 5% volume shrinkage during the liquid state, phase transition and solid state, respectively. The volume of metal compensated from the riser is









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    The riser can compensate for volume shrinkage only in the liquid stage and transition stage and not in the solid state.
    Hence volume of metal that needs t o be compensated from the riser = 3 + 4 = 7%

    Correct Option: B

    The riser can compensate for volume shrinkage only in the liquid stage and transition stage and not in the solid state.
    Hence volume of metal that needs t o be compensated from the riser = 3 + 4 = 7%



  1. Which of the following engineering materials is the most suitable candidate for hot chamber die casting?









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    For hot chamber die casting, titanium is used.

    Correct Option: D

    For hot chamber die casting, titanium is used.


  1. An expendable pattern is used in









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    Expendable pattern is used in Investment casting.

    Correct Option: C

    Expendable pattern is used in Investment casting.



  1. Match the items of List-I (Equipment) with the items of List-II (Process) the correct answer using the given codes.
    Equipment
    P. Hot chamber machine
    Q. Muller
    R. Dielectric baker
    S. Sand blaster
    Process
    1, Cleaning
    2. Core making
    3, Die casting
    4. Annealing and mixing









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    NA

    Correct Option: C

    NA