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| Q. |
The speed of rotation is almost double in semi centrifugal casting as compared to the true centrifugal casting. |
| A. | true |
| B. | false |
| Answer» B. false | |
| Explanation: in semi-centrifugal casting method, complicated but axi-symmetric shapes of casting can be possible to make and this is accomplished by pouring of molten metal into the mould, which is rotated about a vertical axis. and the rotating speeds used in this process are not as high as in the case of true centrifugal casting. | |
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