[Solved] The speed of rotation is almost double in semi centrifugal casting as compared to the true centrifugal casting.

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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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