A.hot tears
B.cold shut
C.scabs
D.drops
Related Mcqs:
- If dross and slag along with the liquid metal reach the mould cavity they produce the defect known as_______________?
- The defect known as ‘drop’ occurs when the upper surface of the mould cracks and pieces of sand fall into the molten metal. This defect occurs due to
- Which of the following is used on moulds for magnesium castings to prevent metal mould reactions?
- The passage way of bringing the molten metal to the mould cavity is known as
- Swell is a defect in castings due to
- The defect blow hole in castings is caused due to
- A mould which has good erosion resistance to metal flow and is also collapsible is
- As compared to green sand in shell moulding cooling rate of cast metal is slow. Hence as compared to green sand castings, shell moulded castings will have
- A casting process which can produce cylinders by inserting cores into molten metal poured in the mould is
- Which of the following defect may occur due to improper design of gating system?
