Pattern maker’s contraction rules are

Foundry Technology Mcqs
BILAL KHATTAK0

A.different for different materials of patterns
B.different for different materials of castings
C.same for all materials of castings

Related Mcqs:

  1. A pattern maker’s contraction rule accounts for
  2. There is no need for the withdrawal of pattern from the mould in case of
  3. If an old casting is to be used as a pattern, to account for various allowances.
  4. A sprue is
  5. The contraction allowance for pattern depends on
  6. In case of malleable iron castings, the contraction allowance on pattern
  7. The pattern of pressure which a society exerts to maintain order and establish rules is known as its system of
  8. Cold shuts are
  9. Hot tear
  10. Gated patterns are normally used for

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