a knowledgeable tutor to solve these questions please

1.in the semi-centrifuge casting ,show how the High spinning is not needed

2.what are the effort of the Stack while producing the valve bodies in centrifuge casting.

3.There are a lot of limitations on the castings produced by the centrifuge castings.why is this this not the case?

4.explain theAsymmetrical parts of the cast in centrifuge castings.

5. True centrifugal castings can be prepared in ___________ moulds?explain

6.explain on the highly locomotive feature of theDe Lavaud machine

7. In the De Lavaud casting process, the coolant used is?

8.falsify; The metal is poured in the inner surface of the mold cavity.

9.propose the shape for the True centrifugal castings

10.how and why is the rotating mound introduced to the molten metal in centrifugal castings?