If ash content of coke used in cupola is high then

Foundry Technology Mcqs
BILAL KHATTAK0

A.melting rate will be low
B.more of flux will be required
C.castings produced will have blow holes
D.carbon content of castings will be low

Related Mcqs:

  1. In hot blast cupola
  2. Which of the following holes appear on the surface of the casting when it is machined?
  3. Coke used in cupola is in the form of
  4. Generally for the melting of cast iron, electric furnaces are not used because
  5. If an old casting is to be used as a pattern, to account for various allowances.
  6. During burning of grain boundaries
  7. The hardness obtained by hardening process does not depend upon
  8. If dross and slag along with the liquid metal reach the mould cavity they produce the defect known as_______________?
  9. A bot in cupola is
  10. High energy compounds are those which:

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