General Studies · Metal Casting
In the standard centrifugal casting method for manufacturing hollow cylindrical components, which of the following is true?
- 1A central core made of ferrous metal is mandatory.
- 2A central core made of green sand is always required.
- 3The core may be made of any high-melting-point metal.
- 4No core is used to form the central hollow cavity.✓
Correct answer
No core is used to form the central hollow cavity.
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