Scabs may be caused by

Foundry Technology Mcqs
BILAL KHATTAK0

A.low permeability of sand
B.high moisture content of sand
C.intermittent running of molten metal over the sand surface
D.any of the above

Related Mcqs:

  1. The pouring of molten metal during casting should be stopped when
  2. The slow rate of decomposition of fallen logs in nature is due to their ___________.
  3. Which of the following statement about core is incorrect?
  4. The function of riser is
  5. The incessant noise of the boring machine made it difficult for us to got to sleep at night.
  6. Blow holes in castings are due to
  7. Night time temperatures rarely drop below the dew point temperature because __________?
  8. The favourable conditions for the maximum yield of ammonia by Habers process are
  9. By compacting the sand
  10. Low grade fuels have

Leave a Reply

Your email address will not be published. Required fields are marked *