If an old casting is to be used as a pattern, to account for various allowances.

Foundry Technology Mcqs
BILAL KHATTAK0

A.casting is shaken while withdrawing from mould
B.the surfaces are lagged with thin strips of wood or leater
C.the castings are cleaned and made smooth
D.to provide draw screws, holes can be drilled and tapped in the castings

Related Mcqs:

  1. Cores are used
  2. The methods of casting for producing ornamental pieces are ____________?
  3. A casting process which can produce cylinders by inserting cores into molten metal poured in the mould is
  4. A casting process which can produce hollow cylinder without use of core is
  5. The function of ejection pin in die casting is to
  6. Swell is a defect in castings due to
  7. Padding is
  8. In investment casting the pattern is made of
  9. Which of the following holes appear on the surface of the casting when it is machined?
  10. Permanent mould casting is also known as

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