Railways Technical Ability Metal Forming, Casting and Cutting Question Bank Metal Casting

  • question_answer                     The mould in shell moulding process is made up of which of the following?

    A) Gypsum + setting agents

    B) Green sand + clay

    C) Sodium silicate + dried sand

    D) dried silica + phenolic resin

    Correct Answer: D

You need to login to perform this action.
You will be redirected in 3 sec spinner