The purpose of sometimes adding exothermic materials to sand is

Production Engineering Mcqs
BILAL KHATTAK0

A.To heat the sand
B.To heat the core
C.To dry the mould
D.To produce directional solidification by the generation of heat
E.To produce chilled surfaces

Related Mcqs:

  1. The purpose of clay in a moulding sand is to
  2. The purpose of using a core in moulding is
  3. High ratio of surface to mass tend to
  4. The location of riser least depends on
  5. Shell moulding is a process in which
  6. Permeability of a foundry sand is
  7. Chaplets are
  8. A mould which has good erosion resistance to metal flow and is also collapsible is
  9. A stick is
  10. The sand mass does not fall out of the moulding box but is held firmly in it when the moulding box is lifted. This is due to the property of

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