The defect blow hole in castings is caused due to

Engineering Materials Mcqs
BILAL KHATTAK0

A.Hard ramming
B.Excessive moisture
C.Improper venting
D.Excessive carbouacious material
E.Any of the above

Related Mcqs:

  1. Blow holes in castings are due to
  2. Swell is a defect in castings due to
  3. Arc blow is a welding defect which is encountered
  4. In die casting
  5. Swelling of castings may occur due to
  6. A defect in castings in which a discontinuity is formed due to the imperfect fusion of two streams of metal in the mould cavity is known as
  7. Ateliosis is caused by the defect of:
  8. The injuries are generally caused by:
  9. Excess oil consumption in engine may be due to
  10. Permeability of moulding sand is increased due to/by

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